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MBR处理垃圾渗滤液的短程硝化研究 被引量:1

Research of Short-cut Nitrification and Denitrification in MBR at Treatment of Landfill Leachate
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摘要 研究了膜生物反应器处理垃圾渗滤液的现象及机理,研究表明,反应器内存在较好的短程硝化效果。考察了DO、Ph、C/N等对有机物和氨的去除效果以及对同步硝化反硝化的影响。试验结果表明,在pH值为7.0~8.5,温度为25℃,DO为0.75 mg/L的条件下,短程效果最好,亚硝态氮的积累稳定在90%左右,氨氮去除率可达95%以上,但总氮去除率仅有50%,其原因是碳源不足。 SND(Short-cut Nitrification and Denitrification)is investigated in a membrane reactor.The results obtained showed that SND are successfully carried out in the reactor.The effects of C/N on DO on removal ratio of COD,NH3-N,TN and SND are discussed.The results showed that the pH value is between 7.0 and 8.0,the temperature is 25 ℃,the best effect of SND can be achieved under 0.75 mg/L of DO,removal ratio of NH3-N can reach over 95% and the removal ratio of TN is only 50%.It has been resulted that the C/N is too low.
出处 《河南化工》 CAS 2008年第7期19-22,41,共5页 Henan Chemical Industry
关键词 垃圾渗滤液 短程硝化 MBR 氨氮 DO landfill leachate SND MBR ammonia-N DO
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参考文献6

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