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Abstract:
考察一次性降温和阶梯式降温对厌氧氨氧化反应器(ASBR)脱氮性能的影响.一次性降温方式(30℃降至15℃),阶梯式降温方式(30℃降至25℃,再降至20℃,最后降至15℃).温度30℃时,NH4+-N和NO2--N的去除率分别为97.3%和98.5%,总氮去除速率为5.12 mg·(g·h)-1,△NO2--N/△NH4+-N为1.33,厌氧氨氧化活性(SAA)为0.139 g·(g·d)-1.一次性降温至15℃时,NH4+-N和NO2--N的去除率分别降至47.9%和55.1%,总氮去除速率降至2.74 mg·(g·h)-1,△NO2--N/△NH4+-N升至1.51,SAA降至0.071 f·(g·d)-1.阶梯式降温至15℃时,NH4+-N和NO2--N的去除率降至51.6%和61.2%,总氮去除速率降至3.22 mg·(g·h)-1,△NO2--N/△NH4+-N升至1.48,SAA降为0.083 f·(g·d)-1.阶梯式降温方式脱氮性能更佳.
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环境工程学报
ISSN: 1673-9108
Year: 2018
Issue: 5
Volume: 12
Page: 1443-1451
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 3
Chinese Cited Count:
30 Days PV: 1
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