化工环保2017,Vol.37Issue(4):415-420,6.DOI:10.3969/j.issn.1006-1878.2017.04.008
无机条件下硫酸盐型厌氧氨氧化反应的特性
Characteristics of sulfate-dependent anaerobic ammonium oxidation under inorganic carbon condition
摘要
Abstract
The characteristics of sulfate-dependent anaerobic ammonium oxidation (S-ANAMMOX) under inorganic carbon condition were studied using anaerobic granule sludge in a circular flow anaerobic reactor.The results showed that:In 1-124 d of operation,the phenomenon of simultaneous ammonium and sulfate removal emerged from the 37th d,producing NO2-,NO3-in reaction process,N2 and elemental sulfate in the end,and the removal rate of NH4+-N and SO42-achieved up to 92.47% and 92.47%,respectively;The NH4+-N removal rate and nitrogen loss rate could be increased with high inlet nN ∶ ns;This oxidation-reduction process of ammonia and sulfate is a pH-dropping reaction;The inlet nN ∶ ns,average inlet mass concentration of NH4+-N and SO42 and HRT all had effects on the nitrogen-sulfur conversion ratio of S-ANAMMOX reaction,which meant the S-ANAMMOX reaction was a multi-step reaction.关键词
无机碳源/硫酸盐型厌氧氨氧化/氨氮/硫酸根/氮硫转化比Key words
inorganic carbon/sulfate-dependent anaerobic ammonium oxidation (S-ANAMMOX)/ammonia/sulfate/nitrogen-sulfur conversion ratio分类
资源环境引用本文复制引用
崔丽,王慧,黄开拓,许涛,梁吉艳..无机条件下硫酸盐型厌氧氨氧化反应的特性[J].化工环保,2017,37(4):415-420,6.基金项目
格平绿色行动——辽宁环境科研教育“123工程”资助项目(CEPF2014-123-2-6). (CEPF2014-123-2-6)