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盐度是影响生物脱氮过程的重要因素。盐度增加会导致生物硝化和反硝化过程中N_2O的产生并释放。该文以添加NaCl的生活污水为研究对象,采用固定填料序批式生物膜反应器(sequencing batch biofilm reactor,SBBR),考察了不同NaCl浓度(0、5、10、15和20g/L)对SBBR脱氮性能及N_2O释放的影响。结果表明,试验NaCl浓度范围内,SBBR出水COD稳定在40~60mg/L。硝化过程NO_2~-/NO_3~-随NaCl浓度增加而增加。NaCl浓度≤10g/L时,NH_4~+-N去除率大于95%,N_2O产率由4.08%(NaCl浓度为0)增至6.72%(N...
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农业工程学报
Year: 2020
Issue: 03
Volume: 36
Page: 152-159
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 11
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