Nitrous oxide production characteristic during endogenous denitrification - 文章详情页

作者：

Wang, C.-X. (Wang, C.-X..) | Ma, B. (Ma, B..) | Wei, Y. (Wei, Y..) | Peng, Y.-Z. (Peng, Y.-Z..) (学者：彭永臻)

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Scopus PKU CSCD

摘要：

In　order　to　control　greenhouse　gas　emission　and　improve　energy　production　in　wastewater　treatment　plants,　a　new　method　based　on　nitrous　oxide　(N2O)　oxidizing　methane　was　proposed　with　an　increase　in　energy　production　from　methane　oxidation　and　a　decrease　in　N2O　emission.This　study　investigated　N2O　production　characteristic　during　endogenous　denitrification.　The　results　showed　that　nitrite　and　N2O　were　accumulated　simultaneously　when　nitrate　was　used　as　electron　acceptor.　Nitrite　and　N2O　reduction　were　inhibited　when　nitrite　concentration　increased　in　the　range　of　13-90　mg/L,　resulting　in　N2O　accumulation　during　endogenous　denitrification　process.　Based　on　these　results,　to　enhance　N2O　accumulation　by　adjusting　nitrite　concentration　was　proposed,　which　could　provide　the　basis　of　methane　oxidation　using　N2O　sequentially.　©,　2015,　Beijing　University　of　Technology.　All　right　reserved.

关键词：

Endogenous denitrification; Greenhouse gas; Nitrous oxide (N2O); Watewater treatment

作者机构：

[ 1 ] [Wang, C.-X.]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery, Beijing University of Technology, Beijing, 100124, China
[ 2 ] [Ma, B.]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery, Beijing University of Technology, Beijing, 100124, China
[ 3 ] [Wei, Y.]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery, Beijing University of Technology, Beijing, 100124, China
[ 4 ] [Peng, Y.-Z.]Beijing Key Laboratory of Water Quality Science and Water Environment Recovery, Beijing University of Technology, Beijing, 100124, China

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