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Abstract:
为保证长距离输水管道输送水水质,采用管道模拟反应器考察了溶解氧(DO)对输水管道水质影响以及曝气充氧后水质恢复情况。结果表明:DO降低影响氨氮(NH+4-N)的去除,DO浓度越低越不利于NH+4-N的去除,且曝气充氧后恢复越缓慢,DO=0.5 mg·L-1和DO=1.5 mg·L-1的反应器在运行95 h后,NH+4-N去除率分别由90%降到21%和85%,曝气充氧54 h和3 h后恢复;DO浓度降低导致亚硝酸氮(NO-2-N)积累明显增加,DO浓度越低,NO-2-N的积累越严重,且曝气充氧后恢复越缓慢,DO=0.5 mg·L-1的反应器在运行95 h后,出水NO-2-N由0.02 mg·L-...
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Source :
化工学报
Year: 2014
Issue: 04
Volume: 65
Page: 1424-1428
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: 9
Affiliated Colleges: