Effects of Sewage Disposal Conditions on Nitrous Oxide (N₂O) Generation

Authors: Shiomi, Hiroshi; Kono, Rina; Honma, Seiji

Source: Proceedings of the Water Environment Federation, WEFTEC 2010: Session 51 through Session 60 , pp. 3604-3612(9)

Publisher: Water Environment Federation

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Abstract:

The Bureau of Sewerage is developing technology for reducing the generation of N₂O during wastewater treatment to counteract greenhouse gas emissions.

Although it is known that the reaction tanks and other tanks working in wastewater treatment generate N₂O, it has not been known yet what effect, if any, different processing methods, operating conditions and other factors have on the generation of N₂O.

We have conducted a survey at an experimental wastewater treatment plant on what differences in processing methods, operating conditions and other factors have on the generation of N₂O, we report our findings here on the dissolution of N2O in an anaerobic environment, the relationship between N₂O generation and nitrite nitrogen concentration, and N₂O generation at the second sedimentation tank.

Keywords: Nitrous Oxide; Experimental plant; Wastewater treatment

Document Type: Research article

Publication date: 2010-01-01

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Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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