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Wyświetlanie 1-10 z 10
Tytuł:
Content of Heavy Metals and Their Fractions in Organic Soils of Podlasie
Autorzy:
Wiater, Józefa
Powiązania:
https://bibliotekanauki.pl/articles/124491.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
heavy metal
organic soils
speciation of heavy metals
Opis:
The purpose of this study was to determine the total content of cadmium, lead, nickel, copper, zinc and their fractions in organic soils of Podlasie used as permanent grassland. The research material were samples taken from 30 soils of the Podlasie province in 2011-2013. The samples were taken from the determined layer to depth of 0-30 cm. Basic physicochemical properties were determined in the taken soil samples: organic carbon content, pH in 1 M KCl potentiometrically. The total content of metals after mineralization in aqua regia was determined, and cadmium fractions were determined with a modified BCR method. The measurements were conducted by means of atomic absorption spectroscopy with electrothermal atomization using Varian AA-100 spectrometer. It was found that only 2 soils can be included in the soils with first pollution degree due to the cadmium content. The content of other metals was at geochemical background level. The distribution of investigated metals in the fractions in studied organic soils was different comparing to mineral soils. Most of the analyzed elements were present in the fraction associated with organic substance, which limited their mobility, as evidenced by their low share in the available and potentially available fraction. The proportion of metals in the residual fraction was low, which is typical for organic soils. The share of studied metals in particular fractions varied depending on the sampling date, which may be related to the climatic conditions course in the study period and the treatments performed on these soils.
Źródło:
Journal of Ecological Engineering; 2019, 20, 3; 179-184
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the C:N Ratio in the Sludge Treated with Natural Methods
Autorzy:
Wiater, Józefa
Powiązania:
https://bibliotekanauki.pl/articles/123064.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
carbon
nitrogen
sludge
processing
Opis:
The aim of the study was to evaluate the changes in the carbon/nitrogen ratio as a result of different natural methods of sewage sludge treatment from two municipal wastewater treatment plants. The sludge from the first treatment plant was poured into two lagoons, one covered with reed and the other with willow and a field with Californian earthworms. The sludge from the second treatment plant was composted with sawdust. The sludge processed with each method was simultaneously subjected to Effective Microorganisms. The samples of processed sludge from both treatment plants were collected three times. In the first one, after five weeks, four months and ten months from the beginning of treatment. The material from the second treatment plant was composted after four, ten weeks and a year of composting. In the samples taken, the total nitrogen content was determined by means of the Kjeldahl method. The determination of the organic carbon content was carried out on a TOC analyser. The C:N ratio was then calculated. It was found that the changes in the C:N ratio depended on the duration of individual processes, and to a lesser extent on the way they were processed. The carbon content during sludge processing increased or remained at a similar level and the nitrogen content decreased with time of their processing, regardless of the EM addition. The addition of Effective Microorganisms to the sludge treatment reduced the C:N ratio in the first period of time and increased this ratio to the optimal value after 10 months or a year. The best technology for sludge processing appeared to be the technology of heap composting with sawdust and with aeration. The ten-week compost had a suitable C/N ratio for use in lawn production.
Źródło:
Journal of Ecological Engineering; 2020, 21, 5; 240-245
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trace Elements in Consumer Plants
Autorzy:
Wiater, Józefa
Wojciula, Ada
Powiązania:
https://bibliotekanauki.pl/articles/125474.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
heavy metals
vegetables
fruits
bioaccumulation
soils
Opis:
The aim of this study was to estimate the content of trace elements (Zn, Cu, Cr, Cd, Pb) in soils and consumer plants grown under and without the influence of traffic. The species such as lettuce, raspberry, beetroot, apple, carrot, chives and onion were selected for the study. The samples were mineralized and the heavy metal content in plants and soils was determined by means of atomic absorption spectrometry. The content of heavy metals in the soil from municipal allotments was higher than in the soil from the Saniki Colony. For both samples, the permissible soil content was not exceeded. The amount of trace elements in plants varied depending on species, but the place of vegetables and fruits origin was also important. Most of trace elements occurred in larger amounts in the plants from allotments, and in smaller amounts in the plants from Saniki Colony.
Źródło:
Journal of Ecological Engineering; 2019, 20, 10; 252-256
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Idoor Air Quality with Particular Reference to Carbon Monoxide in the Room – A Pilot Study
Autorzy:
Wiater, Józefa
Gładyszewska-Fiedoruk, Katarzyna
Powiązania:
https://bibliotekanauki.pl/articles/2105291.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
air pollution
carbon monoxide
smoking cigarettes
air quality
Opis:
Cigarette smoking are the most important reasons for increased carbon monoxide (CO) level in exhaled air. During the experiment, the CO level in indoor air in room was measured. Outdoor air quality data including atmospheric CO concentration, obtained from the own measured and data from the weather platform “freemeteo”. The measurements were carried out with the following variants: outside air, a room ventilated without people, nonsmokers, smokers and non-smoking people, smokers entering the room after smoking cigarettes, smokers who smoke in the room. As proven by measurements, carbon monoxide carried in the lungs by smokers has low concentrations and should not threaten the health of non-smoking users of rooms. The maximum concentration of carbon monoxide in the room was 1.4 ppm. In the external air, the average concentration of carbon monoxide was exactly as much as reported in the literature – 0.3 ppm.
Źródło:
Journal of Ecological Engineering; 2022, 23, 6; 286--293
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment and Analysis of the Soot Load Emitted from Hard Coal Combustion in the Area of a Selected Settlement Unit
Autorzy:
Szatyłowicz, Ewa
Siemieniuk, Anna
Wiater, Józefa
Powiązania:
https://bibliotekanauki.pl/articles/2173375.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
soot
combustion
solid fuel
winter season
PAHs
Opis:
Currently, the soot load from solid fuel combustion is not measured or counted, because it is included as part of particulate matter emitted from combustion sources. However, recent reports indicate that after carbon dioxide, soot is the most important contributor to current climate change. Therefore, an attempt was made to assess the soot load that is emitted during the winter season from individual heat sources where hard coal was burned or co-fired. Soot emission analysis and assessment were carried out in the selected settlement unit. Soot was collected monthly throughout the heating period at the chimney flue outlet, and analyzed for the PAH content. From these results and the information obtained from the users of individual heat sources, the soot load emitted from the installation in question during the entire heating period and the load of the sum of 16 PAHs and benzo(a)pyrene also during the entire heating period were calculated. It was found that the PAH content in soot largely depends on the type of boiler, the form of hard coal and wood addition burned, and the age of the boiler. The soot load, on the other hand, depends on the amount of hard coal burned, the type of boiler, how the combustion process is carried out, etc.
Źródło:
Journal of Ecological Engineering; 2022, 23, 9; 187--192
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Content of Heavy Metals in Waste as an Indicator Determining the Possibilities of Their Agricultural Use
Autorzy:
Łapiński, Dawid
Wiater, Józefa
Szatyłowicz, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/123784.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
heavy metals
digestate
ash
dried sludge
Opis:
The aim of the study was to evaluate the available waste in view of the heavy metals and fractions thereof. Three waste materials were analyzed in the work, namely dried, granular sludge, digestate from agricultural biogas plant and ash after combustion of biomass from the combined heat and power plant, in terms of the content of heavy metals in them. Their mobility through fractional analysis was determined and the possibilities of their agricultural use were assessed. The analyzed waste was varied due to the pH. Biomass ashes had the highest pH and it was alkaline. The pH of the dried precipitate was neutral and digestate was slightly alkaline. In the analyzed wastes, the content of permissible concentrations of heavy metals determined in the Regulation of the Minister of the Environment was not exceeded. The content of individual elements varied and depends on the type of waste tested. The conducted sequential analysis showed that various metal fractions are present in the tested wastes. The content of heavy metals in individual factions was varied and the content of mobile and potentially mobile fractions, i.e. metals of fractions I and II, was lower compared to the non-mobile fractions III and IV.
Źródło:
Journal of Ecological Engineering; 2019, 20, 4; 225-230
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Municipal Sewage Sludge Processing Method Effect on the Content of Polycyclic Aromatic Hydrocarbons
Wpływ przeróbki osadów ścieków komunalnych na zawartość wielopierścieniowych węglowodorów aromatycznych
Autorzy:
Wiater, Józefa
Wróblewska, Agata
Ofman, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/1811760.pdf
Data publikacji:
2019
Wydawca:
Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:
PAH
sewage sludge
sludge disposal
WWA
osady ściekowe
unieszkodliwianie osadów
Opis:
The aim of the study was to determine PAH content and the share of their individual groups in municipal sewage sludge at individual stages of their production and processing in a municipal wastewater treatment plant. Sludge samples were collected in three study cycles: autumn (November), winter (February) and spring (April) in 2017 and 2018. In each cycle the samples of initial sludge, excessive sludge after press, digestate sludge and digested dehydrated sludge were analyzed. Three samples were taken from each sludge for further analysis. The content of 16 PAH (naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)-pyrene, dibenzo(a,h)anthracene, benzo(g,h,i)perylene and indeno(1,2,3-c, d)pyrene) was determined in the samples in the Faculty Chemical Laboratory at Białystok University of Technology. For this purpose, a gas chromatography method coupled to mass spectrometry using a GC/MS Agilent 7890B chromatograph was used. The results were given as single PAH compounds, which were then grouped by the number of aromatic rings. It was found that the total content of 16 PAHs depended on the type of sewage sludge and the highest one occurred in the initial sludge, and much lower in other sediments. The fermentation process, and more drainage of the fermentation sludge, reduced the content of 16 PAHs. The transformation processes had an influence on the hydrocarbon content in particular groups. The share of PAH groups depending on the number of rings in total 16 depended on the date of collection of studied sludges. In the studied sludges, a group of three and four-ring hydrocarbons dominated, and the least was two- and six-ring hydrocarbons. PAH content in all analyzed sludges did not exceed the norm for the total of 11 PAHs proposed by the European Commission for sludge used for agriculture.
Celem pracy było określenie zawartości WWA i udziału poszczególnych grup w komunalnych osadach ściekowych na poszczególnych etapach ich produkcji i przetwarzania w oczyszczalni ścieków komunalnych. Próbki osadów pobrano w trzech cyklach badań: jesienią (listopad), zimą (luty) i wiosną (kwiecień) w 2017 i 2018 roku. W każdym z cykli badano próbki osadu wstępnego, osadu nadmiernego po prasie, osadu przefermentowanego i osadu przefermentowanego poddanego dehydratacji. Z każdego osadu pobrano trzy próbki do dalszej analizy. Zawartość 16 WWA (naftalen, acenaften, acenaften, acenaften, fluoren, fenantren, antracen, fluoranten, piren, benzo(a)antracen, chryzen, benzo(b)fluoranten, benzo(k)fluoranten, benzo(a)piren, dibenzo(a,h)antracen, benzo(g,h,i)perylen i indeno(1,2,3-c, d)piren) zostały zbadane w próbkach w Wydziałowym Laboratorium Chemicznym Politechniki Białostockiej. W tym celu zastosowano metodę chromatografii gazowej sprzężonej ze spektrometrią mas przy użyciu chromatografu GC/MS Agilent 7890B. Wyniki podano jako pojedyncze związki WWA, które następnie pogrupowano według liczby pierścieni aromatycznych. Stwierdzono, że łączna zawartość 16 WWA zależy od rodzaju osadu ściekowego, przy czym najwyższa z nich występuje w osadach wstępnych, a znacznie niższa w innych osadach. Proces fermentacji i dalsze odwadnianie osadu fermentacyjnego zmniejszyły zawartość 16 WWA. Procesy transformacji wpłynęły na zawartość węglowodorów w poszczególnych grupach. Udział grup WWA w zależności od liczby pierścieni w sumie 16 zależał od terminu poboru badanych osadów. W badanych osadach dominowała grupa węglowodorów trój- i czteropierścieniowych, a najmniej dwu- i sześciopierścieniowych. Zawartość WWA we wszystkich analizowanych osadach nie przekraczała normy dla 11 WWA zaproponowanej przez Komisję Europejską dla osadów wykorzystywanych w rolnictwie.
Źródło:
Rocznik Ochrona Środowiska; 2019, Tom 21, cz. 1; 556-565
1506-218X
Pojawia się w:
Rocznik Ochrona Środowiska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Trace Elements in Popular Coals Burnt in Low Power Boilers
Autorzy:
Wiater, Józefa
Wojciula, Ada
Szatyłowicz, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/2028186.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
hard coal
combustion
solid fuel
heavy metals
Opis:
The aim of the research was to demonstrate differences in the content of trace elements (U, Th, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Cd, Mo, Hg, Pb, W, Ba) in coal mined in Poland and coal imported from Russia, which are widely available on the market. Ecophile, cube and nut were selected for the research. Among them 3 come from Russia and 3 from Poland. The samples were mineralized and the heavy metal content was determined with the use of mass spectrometry with excitation in induced plasma. The research allowed us to conclude that the same carbon grades showed completely different metal contents and depended on the place of origin. The greatest amount of trace elements was found to be found in ecophysics from Poland (durin). Relatively large contamination with trace elements was also found in Polish peach (window) and in Russian walnut. A relatively high content of uranium was found in three samples, including the ecophyses. When burning coal, even of high quality, we expose the environment to the burden of trace elements, including radioactive elements present in their composition. Heavy metals from coal combustion constantly accumulate in the environment and so far no standards have been established for their content in this fuel.
Źródło:
Journal of Ecological Engineering; 2021, 22, 11; 178-187
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of sustainable development of dairy industry in Poland
Autorzy:
Wiater, Józefa
Boruszko, Dariusz
Dąbrowski, Wojciech
Żyłka, Radosław
Antonowicz, Sylwia
Powiązania:
https://bibliotekanauki.pl/articles/96616.pdf
Data publikacji:
2019
Wydawca:
Fundacja Ekonomistów Środowiska i Zasobów Naturalnych
Tematy:
rozwój zrównoważony
mleczarnia
gospodarka wodna
gospodarka ściekowa
zużycie energii
sustainable development
dairy
water management
sewage management
energy consumption
Opis:
Dairy plants development should be based on the principle of sustainable development, which is present both in National Environmental Policy and European Union environmental protection policy. It is in compliance with Best Available Technology (BAT). Technology connected with recovering energy from sewage, sewage sludge and production waste is gaining more and more interest. The authors of this article have been cooperating with several production plants in podlaskie province for many years through conducting scientific research and preparing environmental reports or integrated permissions (IPPC). The article discusses the most crucial aspects of sustainable development of the dairy industry. Also, the results of environmental aspects (water consumption, sewage production and treatment, wastes, gas and noise emissions, energy consumption) connected with dairy plants management are presented.
Źródło:
Ekonomia i Środowisko; 2019, 2; 132-144
0867-8898
Pojawia się w:
Ekonomia i Środowisko
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Atrazine toxicity in marine algae Chlorella vulgaris, in E. coli lux and gfp biosensor tests
Toksyczność atrazyny w glonach Chlorella vulgaris oraz w biosensorowych testach E. coli z genami gfp i lux
Autorzy:
Matejczyk, Marzena
Kondzior, Paweł
Ofman, Piotr
Juszczuk-Kubiak, Edyta
Świsłocka, Renata
Łaska, Grażyna
Wiater, Józefa
Lewandowski, Włodzimierz
Powiązania:
https://bibliotekanauki.pl/articles/27311571.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
ecotoxicology
atrazine
chlorella vulgaris
bioluminescent biosensors
water contamination
ekotoksykologia
atrazyna
czujniki bioluminescencji
zanieczyszczenie wody
Opis:
Atrazine (ATR) is a widely used chlorinated herbicide from the s-triazine group. Due to the widespread use of ATR, it leaks into the environment and is detected in drinking water, exceeding the WHO-acceptable concentration of atrazine in drinking water, which is 2 μg/L. The aim of our study was to determine toxicity, protein degradation and genotoxicity of ATR at concentrations of 10; 1; 0.1; 0.01 mg/L on Chlorella vulgaris and with the application of E. coli bioluminescent biosensor strains. We measured the content of chlorophyll a, b, carotenoids in Chlorella vulgaris and the inhibition of this algae culture growth. E. coli RFM443 strains with gene constructs grpE:luxCDABE, lac:luxCDABE, recA:luxCDABE and E. coli strain MM294 trc:luxCDABE were used to determine toxicity, degradation of cellular proteins and genotoxicity. On the base of the obtained results, we concluded that ATR in the tested concentrations shows a toxic effect in relation to Chlorella vulgaris. ATR is toxic and genotoxic in E. coli RFM443 strains with grpE, lac, recA promoters and causes degradation of cellular proteins. Moreover, we have detected ATR toxicity toward the GFP protein in E. coli strain MM294-GFP. Taking into account the toxicity and genotoxicity of ATR documented in our research and in the experiments of other authors, we conclude that the presence of this herbicide in surface waters and drinking water is a serious threat to living organisms.
Atrazyna (ATR) to szeroko stosowany na całym świecie chlorowany herbicyd z grupy s-triazyn. Ze względu na powszechne stosowanie, ATR przedostaje się do środowiska i jest wykrywana w wodzie pitnej, przekraczając dopuszczalne przez WHO stężenie, które wynosi 2 μg/L. W przedstawionych badaniach określono toksyczność ATR w stężeniach 10; 1; 0.1; 0.01 mg/L na glonach Chlorella vulgaris oraz z zastosowaniem E. coli mikrobiologicznych biosensorów z genami reporterowymi gfp i lux. Toksyczność oszacowano na podstawie zawartości chlorofilu a, b, karotenoidów w Chlorella vulgaris oraz zahamowania wzrostu tej kultury alg. Szczepy E. coli RFM443 z konstruktami genowymi grpE:luxCDABE, lac:luxCDABE, recA:luxCDABE i szczep E. coli MM294 trc:luxCDABE wykorzystano do określenia toksyczności, degradacji białek komórkowych i genotoksyczności. W przeprowadzonych badaniach wykryto, że ATR w analizowanych stężeniach wykazuje działanie toksyczne w stosunku do Chlorella vulgaris. W przypadku ATR stwierdzono właściwości toksyczne i genotoksyczne oraz potencjał degradacji białek w szczepach E. coli RFM443 z promotorami grpE, lac, recA. Ponadto wykryto toksyczność ATR w stosunku do białka GFP w szczepie E. coli MM294-GFP. Biorąc pod uwagę udokumentowaną w badaniach własnych oraz w doświadczeniach innych naukowców toksyczność i genotoksyczność ATR, obecność tego herbicydu w wodach powierzchniowych i wodzie pitnej stanowi poważne zagrożenie dla organizmów żywych.
Źródło:
Archives of Environmental Protection; 2023, 49, 3; 87--99
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-10 z 10

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