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Author:

杨姣玲 (杨姣玲.) | 高大文 (高大文.) | 彭永臻 (彭永臻.) (Scholars:彭永臻)

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CQVIP PKU CSCD

Abstract:

采用好氧缺氧SBR系统,考察了温度快速变化对亚硝化型颗粒污泥脱氮过程中N2O的释放量和脱氮效果的影响.结果表明,进水氨氮浓度相同的条件下,体系温度从31℃分别快速降至27℃和23℃,N2O产生量由0.706mg/L分别降至0.565mg/L和0.268mg/L,与此同时,氨氮去除率也从96.74%分别降至91.37%和70.73%.在3个温度条件下,颗粒污泥系统的好氧硝化阶段和缺氧反硝化阶段均有N2O产生,儿大量N2O产生在好氧阶段.好氧阶段31℃N2O产生量是27℃N2O产生量的1.26倍,是23℃的2.97倍;缺氧阶段N2O的产生量在3个温度条件下差异不大,介于0.050~0.060mg/L之间.

Keyword:

N2O产生量 短程硝化反硝化 温度 颗粒污泥

Author Community:

  • [ 1 ] [杨姣玲]东北林业大学
  • [ 2 ] [高大文]东北林业大学
  • [ 3 ] [彭永臻]北京工业大学

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Source :

中国环境科学

ISSN: 1000-6923

Year: 2010

Issue: 12

Volume: 30

Page: 1622-1626

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 21

Chinese Cited Count:

30 Days PV: 3

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