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2014•Energy and Energy ConservationRequires access

Effect of C/N Ratio to Nitrogen Removal Efficiency and Nitrous Oxide Emission during Denitrification Coupled with Catalytic Iron

Mengyu Wang

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Abstract

The denitrification efficiency and nitrous oxide production during conventional biological denitrification and denitrification coupling with catalytic iron under different C/N ratio was studied.The results show that in both groups,the total nitrogen removal efficiency decreases while nitrous oxide production increases when C/N ratio becomes lower.But comparing control group,catalytic iron group has higher nitrate transforming efficiency and nitrous oxide emission.Futher more,the nitrous oxide could even be totally degraded when C/N was 1.

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What this paper is about

The denitrification efficiency and nitrous oxide production during conventional biological denitrification and denitrification coupling with catalytic iron under different C/N ratio was studied.The results show that in both groups,the total nitrogen removal efficiency decreases while nitrous oxide production increases when C/N ratio becomes lower.But comparing control group,catalytic iron group has higher nitrate transforming efficiency and nitrous oxide emission.Futher more,the nitrous oxide could even be totally degraded when C/N was 1.

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Available abstract

The denitrification efficiency and nitrous oxide production during conventional biological denitrification and denitrification coupling with catalytic iron under different C/N ratio was studied.The results show that in both groups,the total nitrogen removal efficiency decreases while nitrous oxide production increases when C/N ratio becomes lower.But comparing control group,catalytic iron group has higher nitrate transforming efficiency and nitrous oxide emission.Futher more,the nitrous oxide could even be totally degraded when C/N was 1.

Key concepts: Nitrous oxide, Denitrification, Nitrogen, Catalysis, Chemistry, Aerobic denitrification, Nitrate, Inorganic chemistry

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Effect of C/N Ratio to Nitrogen Removal Efficiency and Nitrous Oxide Emission during Denitrification Coupled with Catalytic Iron — Research Paper | ScholarLens