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...
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Gespeichert in:

Autor*in:	Maria Blyashyna [verfasserIn] Veronika Zhukova [verfasserIn] Larisa Sabliy [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch ; Russisch ; Ukrainisch

Erschienen:	2018

Schlagwörter:	anaerobic anoxic and aerobic bioreactors immobilized microorganisms biotechnology nitrogen and phosphorus removal

Übergeordnetes Werk:	In: Eastern-European Journal of Enterprise Technologies - PC Technology Center, 2019, 2(2018), 10 (92), Seite 30-37
Übergeordnetes Werk:	volume:2 ; year:2018 ; number:10 (92) ; pages:30-37

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.15587/1729-4061.2018.127058

Katalog-ID:	DOAJ047096829

Internformat


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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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callnumber-first	T - Technology
author	Maria Blyashyna
spellingShingle	Maria Blyashyna misc T1-995 misc HD2321-4730.9 misc anaerobic misc anoxic and aerobic bioreactors misc immobilized microorganisms misc biotechnology misc nitrogen and phosphorus removal misc Technology (General) misc Industry Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms
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topic_title	T1-995 HD2321-4730.9 Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms anaerobic anoxic and aerobic bioreactors immobilized microorganisms biotechnology nitrogen and phosphorus removal
topic	misc T1-995 misc HD2321-4730.9 misc anaerobic misc anoxic and aerobic bioreactors misc immobilized microorganisms misc biotechnology misc nitrogen and phosphorus removal misc Technology (General) misc Industry
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title	Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms
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title_full	Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms
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title_sort	processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms
callnumber	T1-995
title_auth	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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title_short	Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms
url	https://doi.org/10.15587/1729-4061.2018.127058 https://doaj.org/article/812bb13a4e834935b7a766766ad2dce1 http://journals.uran.ua/eejet/article/view/127058 https://doaj.org/toc/1729-3774 https://doaj.org/toc/1729-4061
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author2	Veronika Zhukova Larisa Sabliy
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doi_str	10.15587/1729-4061.2018.127058
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up_date	2024-07-04T00:01:20.758Z
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Processes of biological wastewater treatment for nitrogen, phosphorus removal by immobilized microorganisms

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