Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms
Parameters of the biotechnology of wastewater treatment for nitrogen and phosphorus removal using immobilized microorganisms are investigated. The acutest problem of municipal wastewater treatment is the low removal efficiency of biogenic compounds, namely nitrogen and phosphorus. Exceeding the disc...
Ausführliche Beschreibung
Autor*in: |
Maria Blyashyna [verfasserIn] Veronika Zhukova [verfasserIn] Larisa Sabliy [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch ; Russisch ; Ukrainisch |
Erschienen: |
2018 |
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Übergeordnetes Werk: |
In: Eastern-European Journal of Enterprise Technologies - PC Technology Center, 2019, 2(2018), 10 (92), Seite 30-37 |
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Übergeordnetes Werk: |
volume:2 ; year:2018 ; number:10 (92) ; pages:30-37 |
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Link aufrufen |
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DOI / URN: |
10.15587/1729-4061.2018.127058 |
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Katalog-ID: |
DOAJ047096829 |
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520 | |a Parameters of the biotechnology of wastewater treatment for nitrogen and phosphorus removal using immobilized microorganisms are investigated. The acutest problem of municipal wastewater treatment is the low removal efficiency of biogenic compounds, namely nitrogen and phosphorus. Exceeding the discharge norms for nitrogen and phosphorus compounds leads to a dangerous ecological situation in water bodies of Ukraine. The intensity of transformation of nitrogen and phosphorus compounds is limited by the rather low growth rates of nitrifying bacteria (0.25–0.35 day-1), sensitivity to pH fluctuations (the value of 6.5–8 should be maintained), competitive relations with heterotrophs. It is advisable to use immobilized microorganisms to increase the concentration of nitrifying bacteria and create favorable conditions for biomass development. The perpendicular air flow in relation to wastewater flow in the aerobic bioreactor zone, which provides the oxidation capacity by ammonium nitrogen of up to 120–130 g/(m3∙day), is investigated. It is established that the specific oxidation rate of organic matter in municipal wastewater treatment reaches 25 mg COD/(g/day), providing COD treatment efficiency of up to 90 %. The efficiency of wastewater treatment for ammonium nitrogen removal at an initial concentration of 30–50 mg/dm3 is 97.3–99 %. The sequence of anaerobic-anoxic-anaerobic-aerobic processes, which provides the efficiency of wastewater treatment for removal of organic pollutants of 90–95 %, ammonium nitrogen 97–99 % and phosphates 93–95 %. with the treatment duration of up to 4 hours is studied. | ||
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10.15587/1729-4061.2018.127058 doi (DE-627)DOAJ047096829 (DE-599)DOAJ812bb13a4e834935b7a766766ad2dce1 DE-627 ger DE-627 rakwb eng rus ukr T1-995 HD2321-4730.9 Maria Blyashyna verfasserin aut Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Parameters of the biotechnology of wastewater treatment for nitrogen and phosphorus removal using immobilized microorganisms are investigated. The acutest problem of municipal wastewater treatment is the low removal efficiency of biogenic compounds, namely nitrogen and phosphorus. Exceeding the discharge norms for nitrogen and phosphorus compounds leads to a dangerous ecological situation in water bodies of Ukraine. The intensity of transformation of nitrogen and phosphorus compounds is limited by the rather low growth rates of nitrifying bacteria (0.25–0.35 day-1), sensitivity to pH fluctuations (the value of 6.5–8 should be maintained), competitive relations with heterotrophs. It is advisable to use immobilized microorganisms to increase the concentration of nitrifying bacteria and create favorable conditions for biomass development. The perpendicular air flow in relation to wastewater flow in the aerobic bioreactor zone, which provides the oxidation capacity by ammonium nitrogen of up to 120–130 g/(m3∙day), is investigated. It is established that the specific oxidation rate of organic matter in municipal wastewater treatment reaches 25 mg COD/(g/day), providing COD treatment efficiency of up to 90 %. The efficiency of wastewater treatment for ammonium nitrogen removal at an initial concentration of 30–50 mg/dm3 is 97.3–99 %. The sequence of anaerobic-anoxic-anaerobic-aerobic processes, which provides the efficiency of wastewater treatment for removal of organic pollutants of 90–95 %, ammonium nitrogen 97–99 % and phosphates 93–95 %. with the treatment duration of up to 4 hours is studied. anaerobic anoxic and aerobic bioreactors immobilized microorganisms biotechnology nitrogen and phosphorus removal Technology (General) Industry Veronika Zhukova verfasserin aut Larisa Sabliy verfasserin aut In Eastern-European Journal of Enterprise Technologies PC Technology Center, 2019 2(2018), 10 (92), Seite 30-37 (DE-627)737262753 (DE-600)2705552-8 17294061 nnns volume:2 year:2018 number:10 (92) pages:30-37 https://doi.org/10.15587/1729-4061.2018.127058 kostenfrei https://doaj.org/article/812bb13a4e834935b7a766766ad2dce1 kostenfrei http://journals.uran.ua/eejet/article/view/127058 kostenfrei https://doaj.org/toc/1729-3774 Journal toc kostenfrei https://doaj.org/toc/1729-4061 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2018 10 (92) 30-37 |
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Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms |
abstract |
Parameters of the biotechnology of wastewater treatment for nitrogen and phosphorus removal using immobilized microorganisms are investigated. The acutest problem of municipal wastewater treatment is the low removal efficiency of biogenic compounds, namely nitrogen and phosphorus. Exceeding the discharge norms for nitrogen and phosphorus compounds leads to a dangerous ecological situation in water bodies of Ukraine. The intensity of transformation of nitrogen and phosphorus compounds is limited by the rather low growth rates of nitrifying bacteria (0.25–0.35 day-1), sensitivity to pH fluctuations (the value of 6.5–8 should be maintained), competitive relations with heterotrophs. It is advisable to use immobilized microorganisms to increase the concentration of nitrifying bacteria and create favorable conditions for biomass development. The perpendicular air flow in relation to wastewater flow in the aerobic bioreactor zone, which provides the oxidation capacity by ammonium nitrogen of up to 120–130 g/(m3∙day), is investigated. It is established that the specific oxidation rate of organic matter in municipal wastewater treatment reaches 25 mg COD/(g/day), providing COD treatment efficiency of up to 90 %. The efficiency of wastewater treatment for ammonium nitrogen removal at an initial concentration of 30–50 mg/dm3 is 97.3–99 %. The sequence of anaerobic-anoxic-anaerobic-aerobic processes, which provides the efficiency of wastewater treatment for removal of organic pollutants of 90–95 %, ammonium nitrogen 97–99 % and phosphates 93–95 %. with the treatment duration of up to 4 hours is studied. |
abstractGer |
Parameters of the biotechnology of wastewater treatment for nitrogen and phosphorus removal using immobilized microorganisms are investigated. The acutest problem of municipal wastewater treatment is the low removal efficiency of biogenic compounds, namely nitrogen and phosphorus. Exceeding the discharge norms for nitrogen and phosphorus compounds leads to a dangerous ecological situation in water bodies of Ukraine. The intensity of transformation of nitrogen and phosphorus compounds is limited by the rather low growth rates of nitrifying bacteria (0.25–0.35 day-1), sensitivity to pH fluctuations (the value of 6.5–8 should be maintained), competitive relations with heterotrophs. It is advisable to use immobilized microorganisms to increase the concentration of nitrifying bacteria and create favorable conditions for biomass development. The perpendicular air flow in relation to wastewater flow in the aerobic bioreactor zone, which provides the oxidation capacity by ammonium nitrogen of up to 120–130 g/(m3∙day), is investigated. It is established that the specific oxidation rate of organic matter in municipal wastewater treatment reaches 25 mg COD/(g/day), providing COD treatment efficiency of up to 90 %. The efficiency of wastewater treatment for ammonium nitrogen removal at an initial concentration of 30–50 mg/dm3 is 97.3–99 %. The sequence of anaerobic-anoxic-anaerobic-aerobic processes, which provides the efficiency of wastewater treatment for removal of organic pollutants of 90–95 %, ammonium nitrogen 97–99 % and phosphates 93–95 %. with the treatment duration of up to 4 hours is studied. |
abstract_unstemmed |
Parameters of the biotechnology of wastewater treatment for nitrogen and phosphorus removal using immobilized microorganisms are investigated. The acutest problem of municipal wastewater treatment is the low removal efficiency of biogenic compounds, namely nitrogen and phosphorus. Exceeding the discharge norms for nitrogen and phosphorus compounds leads to a dangerous ecological situation in water bodies of Ukraine. The intensity of transformation of nitrogen and phosphorus compounds is limited by the rather low growth rates of nitrifying bacteria (0.25–0.35 day-1), sensitivity to pH fluctuations (the value of 6.5–8 should be maintained), competitive relations with heterotrophs. It is advisable to use immobilized microorganisms to increase the concentration of nitrifying bacteria and create favorable conditions for biomass development. The perpendicular air flow in relation to wastewater flow in the aerobic bioreactor zone, which provides the oxidation capacity by ammonium nitrogen of up to 120–130 g/(m3∙day), is investigated. It is established that the specific oxidation rate of organic matter in municipal wastewater treatment reaches 25 mg COD/(g/day), providing COD treatment efficiency of up to 90 %. The efficiency of wastewater treatment for ammonium nitrogen removal at an initial concentration of 30–50 mg/dm3 is 97.3–99 %. The sequence of anaerobic-anoxic-anaerobic-aerobic processes, which provides the efficiency of wastewater treatment for removal of organic pollutants of 90–95 %, ammonium nitrogen 97–99 % and phosphates 93–95 %. with the treatment duration of up to 4 hours is studied. |
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