两段厌氧工艺处理含硫酸盐、氨氮废水的研究
收稿日期: 2004-10-27
网络出版日期: 2010-10-01
Researches on the two-stage anaerobic process treating wastewater containing high sulphate and ammonia
Received date: 2004-10-27
Online published: 2010-10-01
任飞, 童群义, 姜海童, 姚正仪 . 两段厌氧工艺处理含硫酸盐、氨氮废水的研究[J]. 工业水处理, 2005 , 25(6) : 20 -23 . DOI: 10.11894/1005-829x.2005.25(6).20
Tow-stage anaerobic process is adopted to treat wastewater con taining high sulphate and ammonia. The results show the CODCr and TP removal rat es are over 95% and 55%. In the first reactor, when the influent CODCr, sulpha te and ammonia are about 11 000, 2 800 and 1 000 mg/L, respectively, the rem oval rates of sulphate and CODCr are over 96% and 87%, respectively. In the ana erobic biotreatment process, there are complex interactions between H2S, VFA, CO2 and free ammonia, which helps the anaerobic biotreatment. The pH of influen t is 7.7 - 7.8 and that of the effluent is above 8.0 in the second UASB, and th e removal rate of CODCr is 65% - 75%. The SEM photographs show that the main mic robes in the two reactors are different.
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