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Start-up and process control of a pilot-scale Anammox bioreactor at ambient temperature / 生物工程学报
Chinese Journal of Biotechnology ; (12): 406-412, 2009.
Artigo em Chinês | WPRIM | ID: wpr-286697
ABSTRACT
Start-up and process control of a pilot-scale anaerobic ammonium-oxidizing (Anammox) bioreactor were studied at ambient temperature. Inoculated with a mixture of nitrification-denitrification sludge, nitritation sludge, anaerobic floc sludge and anaerobic granular sludge, the pilot-scale Anammox bioreactor was successfully started up within 255 days at 5 degrees C-27 degrees C. The nitrogen removal rate reached 1.30 kg/(m3 x d). Three facets were taken into account to facilitate the process initiation. First, in terms of alkalization in Anammox, influent pH was kept at about 6.8. Besides, nitrite concentration was kept as low as 13-36 mg/L. Finally, 2% (volumetric ratio) of Anammox sludge from lab-scale bioreactors was supplemented to the pilot-scale one.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Oxirredução / Esgotos / Bactérias Anaeróbias / Química / Eliminação de Resíduos Líquidos / Reatores Biológicos / Amônia / Metabolismo / Métodos / Microbiologia Idioma: Chinês Revista: Chinese Journal of Biotechnology Ano de publicação: 2009 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Oxirredução / Esgotos / Bactérias Anaeróbias / Química / Eliminação de Resíduos Líquidos / Reatores Biológicos / Amônia / Metabolismo / Métodos / Microbiologia Idioma: Chinês Revista: Chinese Journal of Biotechnology Ano de publicação: 2009 Tipo de documento: Artigo