Operational Conditions Eliminating the Evolution of Nitrous Oxide in a Denitrification Process : Studies on Biological Nutrients Removal from Fermentation Wastewater (III)
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概要
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Reduction of NO_x was studied with two types of activated sludge in a batch denitrification unit. With nitrate sludge, acclimated predominantly to nitrate, the reduction of nitrate was accompanied by the evolution of nitrous oxide. Nitrate was readily reduced to nitrite but further reduction to gaseous nitrogen was repressed and nitrite was accumulated. The evolution of nitrous oxide increased following the maximum accumulation of nitrite, particularly under acidic conditions. On the other hand, nitrite sludge, acclimated predominantly to nitrite, reduced either nitrate or nitrite to gaseous nitrogen without evolution of nitrous oxide.
- 公益社団法人日本生物工学会の論文
- 1981-02-25
著者
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Nagashima Minoru
Technical Research Laboratory Hofu Plant Kyowa Hakko Kogyo Co. Ltd.
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SUZUKI TAKEO
(Present address) Tokyo Research Laboratory, Kyowa Hakko Kogyo Co. Ltd.,
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NOGUCHI SADAO
Technical Research Laboratory, Hofu Plant, Kyowa Hakko Kogyo Co. Ltd.,
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Noguchi Sadao
Technical Research Laboratory Hofu Plant Kyowa Hakko Kogyo Co. Ltd.
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Suzuki Takeo
(present Address)tokyo Research Laboratory Kyowa Hakko Kogyo Co. Ltd.
関連論文
- Effect of Carbon/Nitrogen Ratio and Inorganic Phosphate on Colistin Production
- Operational Conditions Eliminating the Evolution of Nitrous Oxide in a Denitrification Process : Studies on Biological Nutrients Removal from Fermentation Wastewater (III)
- Acclimatin of Sludge for Efficient Removal of Nitrogen from Fermentation Wasterwater : Studies on Biological Nutrients Removal from Fermentation Wastewater (II)