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    Wyświetlanie 1-9 z 9
    Tytuł:
    Performance of green wall treatment of brewery wastewater
    Autorzy:
    Wolcott, S.
    Martin, P.
    Goldowitz, J.
    Sadeghi, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/207907.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    food waste
    BOD
    biological processes
    odpady spożywcze
    BZT
    procesy biologiczne
    Opis:
    Green walls or living walls are architectural installations comprised of plants growing in soil filled, modular panels that are attached to interior or exterior walls. The objective of this study is to evaluate the effectiveness of using green walls to pretreat wastewater generated by small to medium sized food and beverage manufacturers. A 1.2 m high green wall was constructed using two, 610 mm×610 mm panels filled with recycled glass media and planted with Epipremnum aureum. Brewery wastewater was recirculated through the system under four experimental scenarios: media, only; media with bio-film; media with plants; and media with plants and biofilm. Reduction of BOD was at least 65% after 24 hours in all four scenarios. Removal of turbidity, BOD, and total nitrogen was similar in scenarios involving biofilm with or without plants. Green walls appear to offer a space and cost efficient method for pretreating wastewater generated by beverage and food industries.
    Źródło:
    Environment Protection Engineering; 2016, 42, 4; 137-149
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Formation of Polycomplexes of Poly(Methyl Vinyl Ether-Co-Maleic Anhydride) and Bovine Serum Albumin in the Presence of Copper Ions
    Autorzy:
    Karahan, M
    Mustafaeva, Z
    Özeroğlu, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/778272.pdf
    Data publikacji:
    2014
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    bovine serum albumin
    copper ions
    metal complexes
    biological processes
    biomaterials
    polyelectrolyte
    Opis:
    The binary and ternary complex formations of poly(methyl vinyl ether-co-maleic anhydride) (PMVEMA) with copper ions and with bovine serum albumin (BSA) in the presence of copper ions in phosphate buffer solution at pH = 7 were examined by the techniques of UV-visible, fluorescence, dynamic light scattering, atomic force microscopy measurements. In the formation of binary complexes of PMVEMA-Cu(II), the addition of copper ions to the solution of PMVEMA in phosphate buffer solution at pH = 7 forms homogeneous solutions when the molar ratio of Cu(II)/MVEMA is 0.5. Then the formations of ternary complexes of PMVEMA-Cu(II)-BSA were examined. Study analysis revealed that the toxicities of polymer-metal and polymer-metal-protein mixture solutions depend on the nature and ratio of components in mixtures.
    Źródło:
    Polish Journal of Chemical Technology; 2014, 16, 3; 97-105
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Performance analysis of the horizontal sub-surface flow constructed wetland under different hydraulic loading rates for rural domestic wastewater treatment
    Autorzy:
    Khairalla, A. M. O.
    Xiwu, L.
    Ladu, J. L.
    Wenbo, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/207342.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    HFCW
    Horizontal Flow Constructed Wetlands
    rural sewage treatment plants
    biological processes
    retention time
    oczyszczalnia hydrofitowa
    wiejskie oczyszczalnie ścieków
    czas retencji
    procesy biologiczne
    Opis:
    The performance of horizontal subsurface flow constructed wetland (HFCW) for rural domestic sewage treatment has been evaluated. The system was built as a tertiary treatment after the biological processes to improve the effluent wastewater quality. The HFCW was operated in three phases under different hydraulic loading rates (HLRs), and with three kinds of aquatic plants i.e., water spinach, Chinese celery and cress. The vegetation growth parameters such as plant height, fresh and dry weights were monitored and analyzed. The influent and effluent concentrations of the chemical oxygen demand (COD), ammonium nitrogen (NH4+-N), total nitrogen (TN) and total phosphorus (TP) were measured. The average removal efficiencies at the first phase were 52.9%, 64.7%, 58.2% and 72.8%, and it reduced to 48.6%, 52.2%, 44.04% and 64.4% in the second phase for COD, NH4+-N, TN and TP, respectively. In the third phase, the HFCW system showed the following mean removal efficiencies: 51.2%, 74.2%, 58.5% and 80.9%. The results revealed that the removal efficiencies increased with decrease in the HLR and increased temperatures. The findings confirmed that the horizontal flow constructed wet-land is more convenient for the rural wastewater treatment with efficient nutrient removal.
    Źródło:
    Environment Protection Engineering; 2016, 42, 4; 107-121
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biological nutrient removal using a novel five-step continuous flow activated sludge process technology
    Autorzy:
    Abualhai, S.
    Naseer, R.
    Xiwu, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/208183.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    nitrogen removal
    activated sludge process
    chemical oxygen demand
    sewage
    nutrient removal
    biological processes
    nutrient concentrations
    usuwanie azotu
    chemiczne zapotrzebowanie tlenu
    ścieki
    biologiczne usuwanie składników odżywczych
    proces biologiczny
    stężenie substancji odżywczych
    metoda osadu czynnego
    proces osadu czynnego
    Opis:
    An anaerobic-anoxic/oxic (AA/O) five-tank biological process called five-step continuous flow activated sludge process (FSCFASP) was developed to force the oscillation of organic matter and nutrient concentrations in process reactors. The run scheme and schematic diagram of FSCFASP was described. The run cycle was divided into two symmetrical half cycles with eight periods during each cycle. The duration of each period was established according to biological process requirements. The optimal running times of the periods were 90, 60, 60, 30, 90, 60,6 0 and 30 min at the HRT of 16 h, air/water ratio of 35% and SRT of 21 day at the temperature range of 19-23 °C. The optimized system achieved 88.09±1.43%, 90.33±2.9%, 68.83±5.34% and 87.67±2.9% of the chemical oxygen demand, NH4+-N, TN, and TP removal efficiencies, respectively, during a 11-month operation with the effluent meeting the Chinese sewage discharge standard GB18918-2002 (level A). Simultaneous nitrification and denitrification phenomena were observed in the tank one which is important to reduce the quantity of aeration and the duration of a next anoxic state. Compared with other existing technologies, this system achieved high nitrogen and phosphorus removal without equipment of sludge and mixed liquor return. Thus, it is effective for reducing energy consumption.
    Źródło:
    Environment Protection Engineering; 2013, 39, 3; 165-184
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A novel process of dye wastewater treatment by linking advanced chemical oxidation with biological oxidation
    Autorzy:
    Zou, H.
    Ma, W.
    Wang, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/204846.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    dye wastewater
    Fenton's oxidation
    biological oxidation
    biological aerated filter
    advanced oxidation processes
    Opis:
    Dye wastewater is one of typically non-biodegradable industrial effluents. A new process linking Fenton’s oxidation with biological oxidation proposed in this study was investigated to degrade the organic substances from real dye wastewater. During the combination process, the Fenton’s oxidation process can reduce the organic load and enhance biodegradability of dye wastewater, which is followed by biological aerated filter (BAF) system to further remove organic substances in terms of discharge requirement. The results showed that 97.6% of chemical oxygen demand (COD) removal by the combination process was achieved at the optimum process parameters: pH of 3.5, H22
    Źródło:
    Archives of Environmental Protection; 2015, 41, 4; 33-39
    2083-4772
    2083-4810
    Pojawia się w:
    Archives of Environmental Protection
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary studies of photolysis and TiO2-montomorillonite-immobilised photocatalysis processes for the degradation of organic pollutants in water treatment
    Autorzy:
    Pamuła, Justyna
    Karnas, Magdalena
    Styszko, Katarzyna
    Powiązania:
    https://bibliotekanauki.pl/articles/2172915.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    surface waters
    water contamination
    advanced oxidation processes
    biological oxygen demand
    Opis:
    Organic compounds are the most diverse group of contaminants. The largest anthropogenic source of these contaminants in water is municipal and industrial wastewater. One of the indicators of surface water pollution is biological oxygen demand (BOD). Purifying water from organic micropollutants is a serious challenge and requires the development of newer and more effective methods. The removal of such contaminants is most effective only in advanced oxidation processes (AOP), which include UV photolysis and photocatalysis. The presented results are from preliminary research to evaluate the effectiveness of water treatment by ultraviolet (UV) photolysis and photocatalysis. Treatment efficiency was evaluated on the basis of changes in the BOD index before and after the advanced oxidation process of raw water. The values of the BOD5 index determined in accordance with PN-EN 25813:1997. The exposure time of the samples was a maximum of 60 minutes. The tested material was water samples taken from the Rudawa River, which is one of the drinking water sources for Krakow. The initial BOD5 value (expressed as concentration of O2) for all samples was about 8 mg/L but it has decreased to over 2 mg/L due to AOP processes. This means that after an hour, more than 75% of organic compounds present in the raw water were removed. For photocatalysis (TiO2-MMT), the exposure time of the samples was a maximum of 35 minutes. Water samples taken from the Rudawa River were also used as test material. The initial BOD5 value for all samples was about 9 mg/L but it has decreased to about 4 mg/L due to the photocatalysis process. This means that after 35 minutes, 55% of the organic compounds present in the raw water were removed.
    Źródło:
    Geology, Geophysics and Environment; 2022, 48, 4; 393--404
    2299-8004
    2353-0790
    Pojawia się w:
    Geology, Geophysics and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antropogeniczne procesy zasolenia gleb
    Anthropogenic salinisation processes
    Autorzy:
    SOBCZYK, Wiktoria
    Powiązania:
    https://bibliotekanauki.pl/articles/457677.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Rzeszowski
    Tematy:
    gleby słone
    zasolenie
    rekultywacja techniczna i biologiczna
    salty soil
    salinity processes
    technical and biological reclamation
    Opis:
    W artykule opisano gleby słone na świecie według międzynarodowego systemu WRB oraz klasyfikację polską. Przedstawiono wpływ zasolenia na glebę i rośliny. Podkreślono negatywny wpływ zasolenia na fotosyntezę, oddychanie, przyswajanie asymilatów i wzrost roślin. Opisano procesy rekultywacji gleb słonych.
    The article describes the classification of saline soils in the world according to World reference base for soil resources and Polish Soil Systematics. The influence of salinity on soil and plants has been presented. Special attention has been paid to negative affects of salinity on the photosynthesis, respiration, absorption of assimilates and growth of plants. The salty soil remediation processes has been characterized.
    Źródło:
    Edukacja-Technika-Informatyka; 2013, 4, 1; 271-277
    2080-9069
    Pojawia się w:
    Edukacja-Technika-Informatyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of products of adhesive wastewater oxidation with Fentons reagent on biological treatment in SBR
    Autorzy:
    Piaskowski, K.
    Nowak, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/207366.pdf
    Data publikacji:
    2013
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    bioremediacja
    oczyszczanie ścieków
    procesy utleniania
    oczyszczanie biologiczne
    utlenianie chemiczne
    oczyszczanie ścieków przemysłowych
    ścieki przemysłowe
    bioremediation
    wastewater treatment
    oxidation processes
    biological purification
    biological treatment
    chemical oxidation
    industrial wastewater treatment
    industrial wastewaters
    Opis:
    The advanced oxidation process with Fenton’s reagent can be used in industrial wastewater treatment, especially for the degradation of not easily biodegradable contaminations. Chemical oxidation of industrial wastewater or other substances as a pre-treatment before biological purification is the most effective method of wastewater treatment. However the Fenton process requires low pH of wastewater and final neutralization with a big amount of iron-containing precipitate. Thes paper presents laboratory experiments dealing with the treatment of adhesive wastewater in an sequencing batch reactor following the Fenton process without final neutralization.
    Źródło:
    Environment Protection Engineering; 2013, 39, 4; 51-62
    0324-8828
    Pojawia się w:
    Environment Protection Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Decyzje urządzania lasu w kształtowaniu różnorodności
    Decision - making in forest management planning for shaping biological
    Autorzy:
    Poznański, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/1022896.pdf
    Data publikacji:
    2005
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    podejmowanie decyzji
    lasy
    roznorodnosc biologiczna
    lesnictwo
    ksztaltowanie roznorodnosci
    urzadzanie lasu
    biological diversity
    forest categorisation
    regeneration
    survival and disappearance processes
    decision−making
    Opis:
    In forest management planning the enhancement of forest biological diversity at the genetic, species, ecosystem and landscape levels occurs through making general and specific decisions. The major general decisions concern forest categorisation, division of a forest into management units, choice of a management system and setting silvicultural−management objectives. Specific decisions concern three processes of forests development affecting forest sustainability, i.e. regeneration, survival and disappearance of trees and stands.
    Źródło:
    Sylwan; 2005, 149, 01; 3-7
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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