Temat: Wastewater treatment - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Evaluation of wastewater treatment efficiency in Wolbrom
Autorzy:: Gawron, M.
Łukasiewicz, M.
Malinowski, M.
Salamon, J.
Powiązania:: https://bibliotekanauki.pl/articles/101059.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:: wastewater treatment plant
efficiency
wastewater treatment
Opis:: The study was conducted to assess the effectiveness of wastewater treatment at the municipal wastewater treatment plant in Wolbrom, to which predominantly domestic wastewater and industrial sewage flow. The assessment was made based on the analysis of the physical and chemical research results of raw and treated wastewater. The research was carried out in the period from January 2014 to December 2014. To perform the analysis of the treatment plant efficiency, four indicators of wastewater pollutants such as BOD5 , COD, total nitrogen and total phosphorus were selected for further investigation. For each of the indicators degrees of reduction and coefficients of treatment plant operational reliability were calculated. The calculated degrees of reduction for each of the indicators were high and amounted to 99.0% for BOD5 , 95.2% for COD, 91.0% for total nitrogen and 91.6%. for total phosphorus. These results prove the effective reduction in the amount of pollutants. The determined coefficients of treatment plant operational reliability were at a low level: BOD5 - 0.27, COD - 0.44, total nitrogen - 0.33 and total phosphorus - 0.53. The conducted analyses prove the effective operation of the treatment plant, which was confirmed by high efficiency of pollutants removal.
Źródło:: Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/4; 1889-1897
1732-5587
Pojawia się w:: Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Comparative analysis of selected wastewater treatment plants
Autorzy:: Nowakowska, Anita
Powiązania:: https://bibliotekanauki.pl/articles/1177394.pdf
Data publikacji:: 2018
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: biological wastewater treatment plant
mechanical-biological wastewater treatment plant
wastewater
wastewater management
Opis:: The article presents the classification of wastewater treatment plants and indicates the types of processes occurring during wastewater treatment. The purpose of the article is to get acquainted with the functioning as well as technical and economic differences of biological and mechanical-biological wastewater treatment plant. The author also made a comparative analysis containing a list of wastewater treatment efficiency in the presented treatment plants, as well as compared economic aspects necessary for the operation of these treatment plants.
Źródło:: World Scientific News; 2018, 104; 359-374
2392-2192
Pojawia się w:: World Scientific News
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Hydrobotaniczne oczyszczalnie ścieków
Autorzy:: Gołąb, M.
Nocoń, W.
Michalski, R.
Powiązania:: https://bibliotekanauki.pl/articles/273982.pdf
Data publikacji:: 2012
Wydawca:: Roble
Tematy:: oczyszczanie ścieków
oczyszczalnia ścieków
hydrobotaniczna oczyszczalnia ścieków
system Lemna
wastewater treatment
wastewater treatment plant
hydrobotanic wastewater treatment plant
Lemna-type
Źródło:: LAB Laboratoria, Aparatura, Badania; 2012, 17, 4; 6-10
1427-5619
Pojawia się w:: LAB Laboratoria, Aparatura, Badania
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Seasonal Changes in Nitrogen, Phosphorus, BOD and COD Removal in Bystre Wastewater Treatment Plant
Autorzy:: Skoczko, I.
Struk-Sokołowska, J.
Ofman, P.
Powiązania:: https://bibliotekanauki.pl/articles/124271.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: wastewater treatment
seasonal changes
dairy wastewater
Opis:: The aim of this study was to determinate seasonal changes in industrial wastewater treatment effectiveness. Studies were carried out in mechanical-biological wastewater treatment plant in Bystre near Giżycko to which inflows mixture of domestic and dairy wastewater. Laboratory studies were carried out by Water and Wastewater Company in Giżycko. For statistical analysis results form years 2014 and 2015 were considered. The scope of statistical analysis includes basic statistical measures including arithmetic mean, median, minimum, maximum and standard deviation. Changes in seasonal treatment effectiveness were shown by Fisher-Snedecore LSD test. Seasonal changes were observed for BOD, COD and total nitrogen removal effectiveness. Total phosphorus was not subjected to that kind of changes.
Źródło:: Journal of Ecological Engineering; 2017, 18, 4; 185-191
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Changes in the Microbial Composition of Municipal Wastewater Treated in Biological Processes
Autorzy:: Bawiec, A.
Pawęska, K.
Jarząb, A.
Powiązania:: https://bibliotekanauki.pl/articles/125067.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: municipal wastewater
microbial composition
wastewater treatment
Opis:: Municipal wastewater is characterized by diverse microbial content, largely dependent on their sources as well as many other factors like condition and health of their producer, but also environmental factors. The number and share of individual bacterial population in wastewater is changing during the process of their treatment in wastewater treatment plants. The microbial content of treated wastewater is significantly affected by the type of technology used for wastewater treatment. The paper presents the results of the species composition of bacteria present in the wastewater at various stages of treatment for the two different technologies. Samples of wastewater from hydroponic wastewater treatment plant and from the plant whose technology is based on biofilters were analysed. A key mechanism for wastewater treatment in both cases is biological treatment, using microbial activity that decomposes pollutants in the wastewater, which significantly contributes to changes in the species composition of bacteria comparing to microbiological composition of sewage flowing into the treatment plant. Analyses of microbial composition showed that in the objects consisting of preliminary tank and biofilter, composition of bacteria species is changing, but many species isolated from raw sewage is also found in treated wastewater. In the plant with hydroponic lagoon after wastewater treatment throughout the process system, bacteria present in raw sewage or in wastewater after biological treatment were not identified in the outlet.
Źródło:: Journal of Ecological Engineering; 2016, 17, 3; 41-46
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Treatment of Coking Wastewater Using Sorption Processes
Autorzy:: Bargieł, Piotr
Zabochnicka-Świątek, Magdalena
Wolski, Paweł
Powiązania:: https://bibliotekanauki.pl/articles/2027801.pdf
Data publikacji:: 2022
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: coking wastewater
wastewater treatment
sorption
biochar
Opis:: Adsorption is one of the basic surface phenomena involving saturation of the adsorbent surface with adsorbate molecules located near the adsorbent-adsorbate interface. The processes that are accompanied by the accumulation of adsorbate molecules on the surface are different from absorption, which is related to absorbing molecules into the whole mass and requires diffusion into the interior. If both processes can occur simultaneously, this phenomenon is called sorption. The aim of the present study was to characterize the sorption properties of selected sorbents and to assess the possibility of their application to support the treatment of coking wastewater from ammonium nitrogen, phenol, and TOC. The scope of the study included the examinations of sorption properties of selected sorbents (coal dust, coke dust, biochar), physicochemical tests of coking wastewater after biological treatment, as well as the examinations aimed to determine the dose of adsorbents and time needed to establish the equilibrium state of the process. The results obtained were analyzed for the effect of dose and contact time on the pollutant removal efficiency. The literature describes the efficiency of ammonium nitrogen removal from wastewater using chemical processes. However, there is a lack of studies on the removal of ammonium nitrogen, phenol, and TOC from industrial (coking) wastewater. The conducted study aimed to develop an alternative solution to the currently used conventional methods of removing high concentrations of pollutants from wastewater.
Źródło:: Journal of Ecological Engineering; 2022, 23, 2; 43-47
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: The State and Needs of the Development of Water Supply and Sewerage Infrastructure in The Radzyń District
Autorzy:: Bogusz, Monika
Marzec, Michał
Malik, Arkadiusz
Jóźwiakowski, Krzysztof
Powiązania:: https://bibliotekanauki.pl/articles/123674.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: water supply network
sewerage network
collective wastewater treatment plants
household wastewater treatment plants
Opis:: The paper presents the current state of water supply and sewerage infrastructure and the need for its expanding in Radzyń district. The district is located in the northern part of Lublin Voivodeship in Poland. The following communes belong to Radzyń district: the municipal commune of Radzyń Podlaski and 7 rural communes: Borki, Czemierniki, Kąkolewnica, Komarówka Podlaska, Radzyń Podlaski, Ulan-Majorat, Wohyń. The data show that the water supply network in Radzyń district is well developed. The most significant percentage of the population using the water supply network has the rural commune of Radzyń Podlaski – 99.9%, while the smallest, commune Komarówka Podlaska – 54.5%. The survey showed that there was a very large disproportion between the development of the sewerage and water supply systems. The largest percentage of the population using the sewerage network has the municipal commune of Radzyń Podlaski – 99.7%. The smallest percentage of users of collective sewage disposal systems was recorded in the rural commune of Radzyń Podlaski (7.2%). The commune of UlanMajorat does not have a sewerage system. The survey conducted in 2016 shows that 8 collective wastewater treatment plants operated in Radzyń district at that time. The total capacity of the treatment plants is over 5,300 m³/d. In 2016, Radzyń district had about 1,000 household wastewater treatment plants. The presented data show that the condition of the sanitary infrastructure in rural communes of Radzyń district is unsatisfactory and requires the investment activities mainly aimed at expanding collective sewage disposal and treatment systems as well as developing a network of household wastewater treatment plants.
Źródło:: Journal of Ecological Engineering; 2020, 21, 3; 171-179
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Evaluation of the Effectiveness of the Coagulation Process in the Treatment of Wastewater from the Foundry Industry
Autorzy:: Dawczak, Paulina
Dudziak, Mariusz
Powiązania:: https://bibliotekanauki.pl/articles/123257.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: foundry industry
wastewater treatment
coagulation
Opis:: The wastewater from the foundry industry contains both inorganic and organic pollutants. Their characteristic feature is the variability of the composition, which depends on the intensity of production in a given industrial plant or the combination of various pollutant streams. As part of the paper, the coagulation process was proposed for the treatment of selected wastewater from the foundry industry. The purpose of the research was to evaluate the effectiveness of coagulation depending on the concentration of pollutants in wastewater.
Źródło:: Journal of Ecological Engineering; 2019, 20, 6; 174-176
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Impact of Sedimentation Supported by Coagulation Process on Effectiveness of Separation of the Solid Phase from Wastewater Stream
Autorzy:: Maciołek, P.
Szymański, K.
Schmidt, R.
Powiązania:: https://bibliotekanauki.pl/articles/123962.pdf
Data publikacji:: 2018
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: wastewater treatment
coagulation
flocculation
separation
Opis:: The objective of this work was to test the impact of coagulant and flocculant at the stage of mechanical wastewater treatment on the wastewater treatment plant operation, performed in the A2O process. In this paper, the principles of correct conduct of coagulation in wastewater treatment have been discussed. It appears from the research performed that significant elimination of BOD₅ such as 20÷30%, total suspended matter up to 90%, COD up to 50% and total nitrogen at 30% level was achieved supported by the coagulation process in the pre-settling tanks. Approximately 50% of phosphorus was eliminated after the mechanical part. Additionally, a significant impact of Superfloc flocculant on the effectiveness of the solid phase separation (activated sludge) in the secondary settling tank was noted under diversified flow conditions.
Źródło:: Journal of Ecological Engineering; 2018, 19, 6; 81-87
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Efektywność oczyszczania ścieków w przydomowej hybrydowej oczyszczalni hydrofitowo-biologicznej
The efficiency of wastewater treatment with the household hybrid (biological-constructed wetland) wastewater treatment plant
Autorzy:: Bergier, T.
Włodyka-Bergier, A.
Powiązania:: https://bibliotekanauki.pl/articles/339038.pdf
Data publikacji:: 2012
Wydawca:: Instytut Technologiczno-Przyrodniczy
Tematy:: oczyszczalnie hydrofitowe
oczyszczanie ścieków
przydomowe oczyszczalnie
constructed wetlands
household wastewater treatment plant
wastewater treatment
Opis:: W artykule przedstawiono wyniki badań nad skutecznością usuwania zanieczyszczeń w przydomowej oczyszczalni ścieków komunalnych firmy Enko, zainstalowanej przy Urzędzie Gminy w Zawoi. Badaniom poddano ścieki surowe, ścieki po wstępnym oczyszczeniu i ścieki oczyszczone. Próbki pobierano co miesiąc, w okresie od listopada 2010 r. do czerwca 2011 r. Przeanalizowano zdolność usuwania w oczyszczalni Enkosystem substancji rozpuszczonych w postaci jonów (przewodność elektryczna właściwa), zawiesiny ogólnej, ogólnego węgla organicznego, BZT₅, azotu ogólnego i fosforu ogólnego. Na podstawie uzyskanych wyników stwierdzono dużą, dochodzącą aż do 99%, skuteczność usuwania związków organicznych podatnych na biochemiczny rozkład (BZT₅). Również dużą skuteczność usuwania zanieczyszczeń zaobserwowano dla zawiesiny ogólnej - od 74 do 95%. Ogólny węgiel organiczny również był usuwany ze stosunkowo dużą skutecznością (30-81%). Średnia skuteczność usuwania substancji rozpuszczonych w postaci jonów (mierzonych jako przewodność elektryczna właściwa) wynosiła 28%, natomiast fosforu ogólnego 41%. Najgorzej oczyszczalnia Enkosystem usuwała związki azotu - średnio o 27%. Oczyszczalnia Enkosystem pracowała prawidłowo, a wartości badanych wskaźników w zasadzie nie przekraczały wartości dopuszczalnych, zdefiniowanych w polskich przepisach prawnych.
The paper presents results of a study on the efficiency of a household hybrid wastewater treatment plant (WWTP) made by the Enko company, installed for the Town Hall in Zawoja. Samples of raw, pre-treated and treated sewage were analysed. The samples were taken every month, since November 2010 till June 2011. The following parameters were analysed: electrolytic conductivity, suspended solids, total organic carbon, BOD₅, total nitrogen and total phosphorus. A high BOD removal efficiency of up to 99% was observed. Suspended solids were also removed with a high efficiency between 74% and 95%. Total organic carbon was removed with a relatively high efficiency (30-81%). The average removal efficiency for electric conductivity was 28%, and 41% for total phosphorus. The worst effects were noted for total nitrogen, the average removal efficiency of which was 27%. Enkosystem WWTP was characterized by proper performance, the values of analysed parameters did not in general exceed the standards defined by Polish legal regulations.
Źródło:: Woda-Środowisko-Obszary Wiejskie; 2012, 12, 1; 25-36
1642-8145
Pojawia się w:: Woda-Środowisko-Obszary Wiejskie
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Analysis of the sewage treatment system of the Silesian agglomeration
Analiza systemu oczyszczania ścieków miasta aglomeracji Śląskiej
Autorzy:: Stankowska, P.
Standera, J.
Kwiatkowski, A.
Powiązania:: https://bibliotekanauki.pl/articles/127491.pdf
Data publikacji:: 2016
Wydawca:: Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:: wastewater treatment plant
efficiency of wastewater treatment technology
oczyszczalnia ścieków
skuteczność technologii oczyszczania ścieków
Opis:: The construction of the technological treatment plant is closely related to the amount and physicochemical parameters of incoming sewage. The economic aspects and the principles of sustainable development also should be taken into account at the stage of sewage treatment plant construction planning. Moreover, in large cities, there is often greater number of sewage treatment plants, which should create an effective system for wastewater treatment. Municipal wastewater treatment system should not disturb the ecological balance of the area and cannot contribute to the deterioration of the living conditions of people (especially those living in the immediate vicinity of the sewage treatment plant). The paper compares the process lines of three wastewater treatment plants located in the city of Bytom: “Centralna” plant, “Miechowice” plant and “Bobrek” plant. The paper also compares the main indicators of the efficiency of the described wastewater treatment plants and the selected parameters of the sewage sludge. Based on the above data, an attempt was made to assess the proper operation of the sewage treatment system in the city of Bytom.
Budowa ciągu technologicznego oczyszczalni jest ściśle powiązana z ilością i parametrami fizykochemicznymi dopływających ścieków. Na etapie planowania należy rozważyć także kryteria zrównoważonego rozwoju oraz aspekty ekonomiczne. Ponadto, w dużych miastach na skuteczny system oczyszczania ścieków składa się często większa liczba oczyszczalni. Miejski system oczyszczania ścieków nie może zakłócać równowagi ekosystemowej danego obszaru ani przyczyniać się do pogorszenia warunków bytowania ludzi (szczególnie tych mieszkających w bezpośrednim sąsiedztwie oczyszczalni ścieków). W artykule porównano ciągi technologiczne trzech oczyszczalni ścieków znajdujących się na terenie miasta Bytom: Oczyszczalni „Centralna”, Oczyszczalni „Miechowice” oraz Oczyszczalni „Bobrek”. Zestawiono także główne wskaźniki efektywności oczyszczania oraz niektóre parametry osadu czynnego. Na podstawie powyższych danych podjęto próbę oceny prawidłowego funkcjonowania systemu oczyszczania ścieków w Bytomiu.
Źródło:: Proceedings of ECOpole; 2016, 10, 2; 511-516
1898-617X
2084-4557
Pojawia się w:: Proceedings of ECOpole
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Analiza procesu oczyszczania ścieków poprodukcyjnych w zakładzie SAPA Aluminium Trzcianka
Analysis of post-production wastewater treatment process in the SAPA Aluminium Trzcianka plant
Autorzy:: Ochowiak, M.
Sadowski, P.
Powiązania:: https://bibliotekanauki.pl/articles/2071667.pdf
Data publikacji:: 2012
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: oczyszczanie ścieków
anodowanie
wastewater treatment
anodizing
Opis:: W pracy przedstawiono wyniki badań doświadczalnych procesu oczysz-czania ścieków poprodukcyjnych w dziale anodowania zakładu SAPA Aluminium. W pracy wykonano szereg badań w celu ustalenia odpo-wiedniego czasu neutralizacji strumienia ścieków, a następnie wpływu różnych flokulantów na proces sedymentacji oraz na zawartość siarcza-nów w ściekach. Na podstawie wyników badań doświadczalnych sformułowano warunki zastosowania dostępnych surowców odpadowych, aby spełniały one w sposób stabilny normy ochrony środowiska zapisane w pozwoleniu wodno-prawnym.
The experimental results of post-production wastewater treatment process in the anodizing department of SAPA Aluminum plant are presented. Several tests for the determination of appropriate neutralization time of wastewater stream were carried out in the study. An influence of different flocculants on sedimentation process and a content of sulfates in wastewater were also established. The conditions of using available waste materials, satisfying stable environmental standards according to the license related to the water status permission, were formulated on the experimental bases.
Źródło:: Inżynieria i Aparatura Chemiczna; 2012, 3; 65-67
0368-0827
Pojawia się w:: Inżynieria i Aparatura Chemiczna
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Intensification of the Wastewater Treatment Process of a Bitumen Plant with the Production of Recycled Water
Autorzy:: Serikbayeva, Akmaral
Taizhanova, Lyailim
Suleimenova, Botagoz
Altybayeva, Zhansaule
Seidalieva, Leila
Powiązania:: https://bibliotekanauki.pl/articles/2202366.pdf
Data publikacji:: 2023
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: wastewater treatment
bitumen
oil
plant
distillation
Opis:: The increasing demand for water with the industrialisation of the world is becoming a major problem as there is a water shortage all over the earth. Therefore, the water problem is one of the important problems that need to be effectively solved. This paper presents the results of research on wastewater treatment of bitumen production in the Mangystau region, which after physical and chemical treatment methods is sent to natural evaporation fields. As a result of research work, a method of wastewater treatment of bitumen plant was developed, which includes two stages: distillation of water on the solar plant and ozonation in order to oxidize volatile organic matter. Distillation to obtain primary treated water of 70–75% volume was carried out at 33–37 °C ambient temperature and 15–30 kPa rarefaction, at the same time COD of water was reduced by 68%.
Źródło:: Journal of Ecological Engineering; 2023, 24, 2; 295--301
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Removal of lindane from wastewater using liquid-liquid extraction process
Autorzy:: Patil, I. D.
Patil, Y. S.
Pangarkar, B. L.
Powiązania:: https://bibliotekanauki.pl/articles/778239.pdf
Data publikacji:: 2013
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: lindane
extraction
ternary diagram
wastewater treatment
Opis:: Pesticide pollution is a serious problem being faced. Harmful levels of pesticides are found in the water which is used for daily purposes. In the event of such a scenario, this paper presents a working solution for bringing down the Pesticide levels in the water to safe levels by using the method of liquid-liquid extraction. The experimental liquid-liquid equilibrium data on pesticide-water-solvent ternary mixtures at a temperature of 288.15 K are presented here. The pesticide used here is a chlorinated hydrocarbon called lindane found in the water (underground, land), beverages and foods. The solvents used are Petro-ether-Chloroform (1:1), Ethylene di chloride and n-hexane. The equilibrium generation diagram, triangular diagram, tie lines and bimodal curves as well as the distribution coefficient have been determined and reported. The petro-ether-chloroform was found to be the right solvent for the separation of lindane from wastewater because of high selectivity (25.36) and distribution coefficient (4). The extraction process is simulated into ‘C’ language.
Źródło:: Polish Journal of Chemical Technology; 2013, 15, 3; 81-84
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Usuwanie mikrozanieczyszczeń o estrogenicznej aktywności biologicznej w procesie nanofiltracji
Removal of endocrine disrupting compounds by means of nanofiltration
Autorzy:: Bohdziewicz, J.
Kamińska, G.
Grübel, K.
Powiązania:: https://bibliotekanauki.pl/articles/126707.pdf
Data publikacji:: 2015
Wydawca:: Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:: EDCs
nanofiltracja
fouling
nanofiltration
wastewater treatment
Opis:: Celem niniejszej pracy było zastosowanie procesu nanofiltracji do usuwania mikrozanieczyszczeń z rzeczywistych ścieków komunalnych oczyszczonych metodą osadu czynnego. Zastosowane membrany różniły się graniczną masą molową i polimerem, z jakiego je wytworzono. Filtrację membranową realizowano w ciśnieniowym urządzeniu przystosowanym do prowadzenia procesu w układzie filtracji jednokierunkowej (dead-end), na membranie o powierzchni czynnej 144 cm2. W zależności od parametrów operacyjnych procesu (ciśnienie transmembranowe) i rodzaju polimeru membranotwórczego współczynniki retencji badanych związków kształtowały się w zakresie wartości 10-90%. W badaniach analizowano również wpływ zjawiska foulingu membran na zmianę ich właściwości powierzchniowych i charakteru kwasowo-zasadowego.
The aim of this study was to the remove micropollutants with biological estrogenic activity from real effluent. Four types of nanofiltration membranes were used, differ in molecular weight cut-off and polymer material. The nanofiltration process was carried out in pressure installation enabling conduction of the process in the dead-end mode on membrane area of 144 cm2. In dependence of operational parameters of the process (the transmembrane pressure), and type of membrane, retention coefficients of the tested compounds were in the range 10-90%. The study also determined the impact of the fouling phenomenon of membranes on change their surface characteristics.
Źródło:: Proceedings of ECOpole; 2015, 9, 1; 171-177
1898-617X
2084-4557
Pojawia się w:: Proceedings of ECOpole
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 16.

Tytuł:: The Efficiency of Landfill Leachate Treatment Using the Fenton’s Reagent
Autorzy:: Koc-Jurczyk, J.
Jurczyk, Ł.
Powiązania:: https://bibliotekanauki.pl/articles/124411.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: wastewater treatment
landfill leachate
Fenton's reagent
Opis:: In this studies the influence of the dose and ratio of chemical reagents (Fe²⁺ and H₂O₂) on the efficiency of COD removal and changes of BOD₅/COD ratio in landfill leachate was analysed. The molar Fe2+/H₂O₂ ratio was lower than 1 and amounted to: 1:10, 1:5, 1:3, three research series with 1; 2.5 and 5 g/L Fe²⁺ concentration. A higher efficiency in removing BOD than COD, and therefore the decrease of BOD₅/COD ratio in effluent was stated. The efficiency of COD removal from leachate was from 58.34% (Fe²⁺ 0.5 g/L, Fe2²⁺/H₂O₂ 1:5) to 8.33% (Fe²⁺ = 0.1 g/L, Fe2+/H₂O₂ = 1:10), while the efficiency of BOD removal ranged from 62 to 77%. With the molar ratio Fe²⁺/H₂O₂ equal 1:5 the BOD₅/COD ratio was the largest for each of the analysed Fe²⁺ doses. The lowest BOD₅/COD ratio was observed for the Fe²⁺ dose 0.1 g/L and molar ratio of reagents 1:3.
Źródło:: Journal of Ecological Engineering; 2015, 16, 3; 70-76
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 17.

Tytuł:: Reliability Evaluation of Wastewater Treatment Plant Impact on the Receiving Waters
Autorzy:: Andraka, Dariusz
Powiązania:: https://bibliotekanauki.pl/articles/125206.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: reliability
wastewater treatment
wastewater receiver
water purity class
Opis:: The paper presents the results of the study on reliability of the "Wastewater Treatment Plant (WWTP) – Receiver" system, using different models for predicting probability that the river will stay in the required purity class after receiving the discharge from a WWTP. A probabilistic model based on the total probability theorem and Monte Carlo (MC) simulations of the water quality below the wastewater discharge were used. The results show that probabilistic model generates lower values of "WWTP-Receiver" system’s reliability than the MC simulations. The results from the MC model may give more realistic values, being able to reflect the stochastic nature of the process, also showing that for the overall reliability of the "WWTP-Receiver" system – the quality of the receiver is a more sensitive factor than the WWTP’s reliability.
Źródło:: Journal of Ecological Engineering; 2019, 20, 8; 226-231
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 18.

Tytuł:: Prawne aspekty funkcjonowania przydomowych oczyszczalni ścieków
Legal aspects of sewage treatment plants
Autorzy:: Wawrentowicz, D.
Ignatowicz, G.
Sadowski, M.
Powiązania:: https://bibliotekanauki.pl/articles/908489.pdf
Data publikacji:: 2013
Wydawca:: Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:: przydomowe oczyszczalnie ścieków
prawne aspekty przydomowych oczyszczalni ścieków
household wastewater treatment plant
legal aspects of the wastewater treatment plants
standards of the wastewater treatment plants
Opis:: W ustawie – Prawo Wodne zapisano regulację prawną dotyczącą udoskonalenia odprowadzania ścieków do wód gruntowych. W Polsce ogromna liczba budynków mieszkalnych czy też gospodarczych jest rozproszona, co utrudnia budowanie zbiorczych oczyszczalni ścieków. Osoby posiadające takie budynki powinny budować przydomowe oczyszczalnie ścieków. Gminy coraz częściej ustawowo proponują dopłaty do tego typu inwestycji, co z jednej strony zwalnia ich z obowiązku budowy zbiorowych oczyszczalni, a drugiej zabezpiecza troskę o ochronę środowiska na własnym terenie. Każda oczyszczalnia powinna spełniać zarówno wymogi formalne jak też wymogi ochrony środowiska.
Owners of scattered households are more often finding out building household wastewater treatment plants useful. Polish legislation has been fitted to the European Union’s law in this aspect, however there is a lack of appropriate tools to control over newly build household wastewater treatment plants. Local governments shows more financial support for those households, which are going to build household wastewater treatment plants, and at the same way making the contribution in protecting the environment. Rules of the building law, and the water law as equal are, clearly require certain responsibilities on households on the range of those types of wastewater treatment plants. Rules are making requirements for manufacturers of those wastewaters very clearly. Those must have reach minimal quality standards, every reservoir must go under proper certification. If all those parameters are going to be respected by the manufactureres and the users, so as local governments, then the environmental protection in this matter will be uphold.
Źródło:: Ekonomia i Środowisko; 2013, 3; 117-125
0867-8898
Pojawia się w:: Ekonomia i Środowisko
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 19.

Tytuł:: Effectiveness of Dairy and Domestic Wastewater Treatment and Technological Reliability of the Wastewater Treatment Plant in Michów, Poland
Autorzy:: Zawadzka, Beata
Siwiec, Tadeusz
Marzec, Michał
Powiązania:: https://bibliotekanauki.pl/articles/2027778.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: domestic wastewater
dairy wastewater
wastewater treatment effectiveness
technological reliability
Opis:: The study aimed to assess the operation of the mechanical and biological wastewater treatment plant in Michów (Poland) in terms of the effectiveness of removing contaminants from mixed wastewater (dairy and domestic) and technological reliability. The wastewater treatment plant is owned by the Dairy Cooperative “Michowianka”. It is intended to treat mixed sewage, consisting of technological and sanitary sewage as well as part of rainwater from the plant, domestic wastewater supplied by a sewerage system from Michów, and wastewater delivered from septic tanks. In 2017 and in the first quarter of 2018, the permeate from the whey thickening process was also sent to the treatment plant. The period 2017-2021 was covered by the analysis. The analysis included the indicators from the fundamental group (TSS, BOD5, COD), biogenic indices (total phosphorus, total nitrogen, and ammonium nitrogen). The applied technology ensured the removal of total suspended solids, BOD5, and COD at the level of over 96%. Total phosphorus was removed with an average efficiency of 91%. Slightly lower effects were found in the elimination of total nitrogen – 78.5% on average, while the ammonium nitrogen removal rate was 88% on average. Due to the high efficiency of the facility, the values of the standard contamination indicators at the outflow, as a rule, met the requirements specified in the water permit. The technological reliability of the wastewater treatment plant in Michów, determined by the Weibull method, was at a high level, usually exceeding 90%. The reliability analysis shows that the facility in Michów has a high capacity to treat wastewater to the extent required for the wastewater receiver, and that the treated wastewater discharge does not cause negative changes in the environment. It indicates a high probability of obtaining the wastewater quality at the outflow from the treatment plant meeting the water permit requirements.
Źródło:: Journal of Ecological Engineering; 2021, 22, 10; 141-151
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 20.

Tytuł:: The Condition of the Sanitary Infrastructure in the Ryki District in Poland and the Need for its Development
Autorzy:: Jóźwiakowska, Karolina
Micek, Agnieszka
Kanios, Krzysztof
Powiązania:: https://bibliotekanauki.pl/articles/1839635.pdf
Data publikacji:: 2021
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: district
septic tank
household wastewater treatment plants
collective wastewater treatment plants
water supply network
sewage system
Opis:: The aim of this paper was to present the current state and the need for development of the sanitary infrastructure in the communes of the Ryki District located in the Lublin Voivodeship. The Ryki District encompasses 1 urban Commune – Dęblin, 1 urban-rural Commune – Ryki and 4 rural communes: Kłoczew, Nowodwór, Stężyca and Ułęż. The paper is based on the data from the surveys conducted in all the afore-mentioned communes in 2016. In the whole district on average 71.3% of the population used the water supply network, while 42% of the inhabitants were able to discharge wastewater to the sewage system. Within the area of the Ryki District, 5 collective wastewater treatment plants with a capacity exceeding 5 m3/d functioned in 2016. The households which were not connected to the sewage network discharged wastewater mainly to non-return tanks. About 440 household sewage treatment plants were found in the surveyed communes. The overwhelming majority of such small objects in the discussed district were activated sludge systems (92%). The research carried out in 2016 proved a strong need to develop the current state of the sanitary infrastructure in the Ryki District. A particular emphasis should be placed on the wastewater management by connecting the inhabitants of urban areas to a joint sewage disposal system. Ecological awareness must be raised so as to encourage people to invest in household wastewater treatment plants, which should be used in the areas with scattered development.
Źródło:: Journal of Ecological Engineering; 2021, 22, 4; 256-264
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 21.

Tytuł:: The Condition of the Sanitary Infrastructure in the Bialski District in Poland and the Need for its Development
Autorzy:: Jóźwiakowska, Karolina
Marzec, Michał
Powiązania:: https://bibliotekanauki.pl/articles/124925.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: district
septic tank
household wastewater treatment plants
collective wastewater treatment plants
water supply network
sewerage system
Opis:: The aim of this paper was to present the current state and the need for development of the sanitary infrastructure in the communes of the Bialski District located in the Lublin Voivodeship. The Bialski District encompasses 2 urban communes: Miedzyrzec Podlaski and Terespol and 17 rural communes: Biała Podlaska, Drelów, Janów Podlaski, Kodeń, Konstantynów, Leśna Podlaska, Łomazy, Międzyrzec Podlaski, Piszcząc, Rokitno, Rossosz, Sławatycze, Sosnówka, Terespol, Tuczna, Wisznice and Zalesie. The present paper uses the data from the surveys conducted in these communes in 2016. On average, 79.2% of the population used the water supply system in the surveyed communes, while 39.4% of the inhabitants had the possibility of discharging wastewater to the sewerage system. In the area of the communes, there were 20 collective, mechanical and biological wastewater treatment plants with a capacity exceeding 5 m³/d. The households which were not connected to the wastewater network, discharged wastewater mainly to non-return tanks. In the surveyed communes, there were 4437 household wastewater treatment plants. Most of them (above 80%) were the systems with infiltration drainage, which do not ensure high efficiency of pollutants removal and may even contribute to the degradation of the groundwater quality. In order to solve the existing problems of wastewater and water management occurring in the communes where the Bialski District is located, it is necessary to further develop collective wastewater systems and equip the areas characterized by dispersed housing with highly efficient household treatment plants, e.g. constructed wetlands.
Źródło:: Journal of Ecological Engineering; 2020, 21, 5; 155-163
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 22.

Tytuł:: Wastewater reuse
Autorzy:: Wilas, Janusz
Draszawka-Bołzan, Beata
Cyraniak, Emil
Powiązania:: https://bibliotekanauki.pl/articles/1119300.pdf
Data publikacji:: 2016
Wydawca:: Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:: small wastewater treatment plants
technology selection
wastewater reuse
Opis:: Once freshwater has been used for an economic or beneficial purpose, it is generally discarded as waste. In many countries, these wastewaters are discharged, either as untreated waste or as treated effluent, into natural watercourses, from which they are abstracted for further use after undergoing "self-purification" within the stream. Through this system of indirect reuse, wastewater may be reused up to a dozen times or more before being discharged to the sea. Such indirect reuse is common in the larger river systems of Latin America. However, more direct reuse is also possible: the technology to reclaim wastewaters as potable or process waters is a technically feasible option for agricultural and some industrial purposes (such as for cooling water or sanitary flushing), and is a largely experimental option for the supply of domestic water. Wastewater reuse for drinking raises public health, and possibly religious, concerns among consumers. The adoption of wastewater treatment and subsequent reuse as a means of supplying freshwater is also determined by economic factors. Human excreta and wastewater contains useful materials. These are water, organic carbon and nutrients and should be regarded as a resource. In their natural cycles, they are broken down by micro-organisms and become accessible to plants and animals, thus sustaining natural ecosystems. When improperly disposed, these substances can cause pollution. This is because the organic materials exert oxygen demand, and the nutrients promote algal growth in lakes, rivers and near-shore marine environments. Human excreta and wastewater also contain pathogens. Reuse of the wastes must ensure that public health is maintained. Planned reuse is the key to wastewater reuse. Planning for reuse ensures that public health and protection of the environment are taken into account. Reuse of treated wastewater for irrigation of crops, for example, will need to meet (i) standards for indicator pathogens, and (ii) plant requirement for water, nitrogen and phosphorus. WHO and others have developed standards for reuse of wastewater for various purposes. Further details of these standards can be found in the Regional Overviews in the Source Book, published by IWA and IETC. It must be pointed out, however, that requirements for water and nutrients are plant-specific and site-specific (dependent on soil type and climate), and information on these requirements need to be obtained from local information sources.
Źródło:: World News of Natural Sciences; 2016, 5; 33-41
2543-5426
Pojawia się w:: World News of Natural Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 23.

Tytuł:: Badania dobowej i sezonowej zmienności składu ścieków mleczarskich
Research of daily and seasonal variability of dairy wastewater composition
Autorzy:: Struk-Sokołowska, J.
Powiązania:: https://bibliotekanauki.pl/articles/400614.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: ścieki mleczarskie
ładunek zanieczyszczeń
oczyszczanie ścieków
oczyszczalnia komunalna
dairy wastewater
pollutant load
wastewater treatment
municipal wastewater treatment plant
Opis:: Celem badań było wykazanie zmienności składu ścieków mleczarskich, dopływających do oczyszczalni komunalnej w ciągu doby oraz w różnych porach roku. Analizom poddano ścieki z zakładu przetwórstwa mleka zlokalizowanego w Polsce północno-wschodniej. Określono charakterystykę produkcji zakładu przetwórstwa mleka, odprowadzającego ścieki mleczarskie do oczyszczalni komunalnej oraz ilości i ładunki ścieków mleczarskich i komunalnych. Analizy składu ścieków mleczarskich dokonywano w czerwcu oraz listopadzie 2014 roku. W każdym miesiącu wykonano 4 serie pomiarowe. Próbki ścieków mleczarskich podlegały analizom 8 razy w ciągu doby. Na podstawie wyników badań wyznaczono zależności pomiędzy wskaźnikami zanieczyszczeń organicznych oraz biogennych. Uzyskane wyniki porównano z podanymi w literaturze. Ścieki mleczarskie z Olecka charakteryzują się dużą zmiennością składu w ciągu doby, co może negatywnie oddziaływać na proces oczyszczania w oczyszczalni komunalnej. Stwierdzono różnice w ilości związków organicznych w ściekach mleczarskich w okresie letnim i jesiennym. Zdecydowanie wyższymi wartościami wskaźników BZT5 i ChZT charakteryzowały się ścieki w okresie wegetacyjnym.
Purpose of the study was to demonstrate the variability of dairy wastewater flowing into municipal WWTP per day and in different seasons. Research was carried out on effluent from Olecko milk processing plant located in north-eastern Poland. Characteristics of milk processing plant sewage discharge to the municipal treatment plant and the amount and loads of dairy and municipal wastewater was presented. The analysis of the qualitative composition of dairy wastewater was carried out in June and November 2014 year. Every month 4 series of measurements were performed and dairy effluent samples were analyzed 8 times a day. Based on the test results the relationship between indicators of organic pollutants and nutrients was determined. The results were compared with those presented in literature. Dairy wastewater from Olecko is characterized by varying composition during the day, which may negatively affect the purification process of municipal wastewater. There were differences in the amount of organic compounds in the dairy wastewater in summer and autumn. Significantly higher values of BOD5 and COD indicators were found in the sewage during the vegetation season.
Źródło:: Inżynieria Ekologiczna; 2016, 47; 74-81
2081-139X
2392-0629
Pojawia się w:: Inżynieria Ekologiczna
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 24.

Tytuł:: Pollutants Removal Efficiency in The Hydroponic Lagoon of The Wastewater Treatment Plant
Autorzy:: Jakubaszek, Anita
Powiązania:: https://bibliotekanauki.pl/articles/27314840.pdf
Data publikacji:: 2022
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: wastewater treatment plant
wastewater treatment
hydroponic lagoon
mechanical-biological wastewater
oczyszczalnia ścieków
oczyszczanie ścieków
laguna hydroponiczna
oczyszczanie mechaniczno-biologiczne
Opis:: Wastewater treatment in semi-natural systems, such as a hydroponic lagoon operating as the third stage of treatment, is becoming more and more popular because of the efficiency of organic matter and nutrient removal. The article presents an analysis of the efficiency of pollutant removal at the mechanical-biological wastewater treatment plant in Gronów with a capacity of Qd = 1125m3/day and a load of 9375 PE. The wastewater treatment plant operates on the basis of activated sludge and biomass settling technology on submerged flow beds. The treatment plant is characterized by a very high variability of wastewater inflow during the year due to periodic inflow of wastewater from tourist resorts in Łagów. The average efficiency of removing pollutants from wastewater was: BOD5 - 98.5%, COD - 92.8%, total suspended solids - 93.2%, total nitrogen - 86.1% and total phosphorus - 69.5%. The study showed that the use of a hydroponic lagoon in the technological system improved the efficiency of wastewater treatment by 1.7% for BOD5, 0.9% - COD, total suspended solids by 4.3%, 6.4% for total nitrogen and total phosphorus - 3.3%.
Źródło:: Civil and Environmental Engineering Reports; 2022, 32, 4; 293--305
2080-5187
2450-8594
Pojawia się w:: Civil and Environmental Engineering Reports
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 25.

Tytuł:: Ocena poprawności funkcjonowania miejskiej oczyszczalni ścieków w Ostrowcu Świętokrzyskim
Validation of the operations of municipal wastewater treatment plant in Ostrowiec Świętokrzyski
Autorzy:: Długosz, J.
Gawdzik, J.
Powiązania:: https://bibliotekanauki.pl/articles/357304.pdf
Data publikacji:: 2011
Wydawca:: Politechnika Śląska
Tematy:: oczyszczalnia ścieków
Ostrowiec Świętokrzyski
wastewater treatment plant
Opis:: W pracy przedstawiono ocenę funkcjonowania jednej z największych oczyszczalni ścieków w województwie świętokrzyskim - oczyszczalni ścieków komunalnych w Ostrowcu Św. Przedstawiono charakterystykę procesów jednostkowych oraz dokonano oceny efektywności systemu oczyszczania ścieków na oczyszczalni. Autorzy określili stopień wykorzystania przepustowości oczyszczalni w odniesieniu do: ChZT, BZT5, zawiesiny ogólnej, azotu ogólnego oraz fosforu ogólnego. W odniesieniu do wszystkich ładunków zanieczyszczeń omawiana oczyszczalnia ścieków pracuje jako niedociążona - w największym stopniu w przypadku ładunku BZT5 (ωBZT5=58,9%). Obiekt uzyskuje bardzo dobre wyniki w oczyszczaniu ścieków, które zgodne są z dopuszczalnymi wartościami zawartymi w Rozporządzeniu Ministra Środowiska z dnia 24 lipca 2006 oraz z pozwoleniem wodno-prawnym. Zawartości wskaźników zanieczyszczeń w oczyszczonych ściekach są zwykle trzy razy niższe od dopuszczalnych. Podobnie, analizując wartości średniodobowego niskiego przepływu rzeki oraz średniej dobowej ilości ścieków odprowadzanej do odbiornika można stwierdzić, iż rzeka Kamienna jest odpowiednim odbiornikiem dla oczyszczonych ścieków.
The paper presents an evaluation of functioning of one of the largest sewage treatment plant in Świętokrzyskie Province - wastewater treatment plant near Ostrowiec Św. The characteristics of unit processes and assessment of the effectiveness of the sewage treatment systems was done in this work. Authors determined the degree of utilization of plant capacity in relation to: COD, BOD, suspended solid, total nitrogen and total phosphorus. For all loads of pollutants in question of works as a sewage treatment plants is unload - in the case of BOD in particular (ωCOD=58,9%). Very good results of wastewater treatment, which complies with the limit values laid down in the Regulation of the Minister of Environment of 24 July 2006 and in the water-legal permission was achieved. Content indicators of pollution in treated wastewater are typically three times lower than the limit. Similarly, by analyzing the average daily low flow of the Kamienna River and the average daily volume of wastewater discharged into the receiver can be concluded, that Kamienna river is a suitable receiver for the treated wastewater.
Źródło:: Archiwum Gospodarki Odpadami i Ochrony Środowiska; 2011, 13, 4; 1-11
1733-4381
Pojawia się w:: Archiwum Gospodarki Odpadami i Ochrony Środowiska
Dostawca treści:: Biblioteka Nauki

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