生物转盘同步去除化学需氧量和氮的实验研究

化工进展

生物转盘同步去除化学需氧量和氮的实验研究

李芳1，2，崔红梅1，2 ，吕炳南3

1东北石油大学土木建筑工程学院给水排水工程专业，黑龙江大庆163318；2黑龙江省防灾减灾及防护工程重点实验室，黑龙江大庆163318；3哈尔滨工业大学市政环境工程学院市政工程系，黑龙江哈尔滨150090

出版日期:2012-07-05 发布日期:2012-07-25

COD and nitrogen removal with rotating biological contactor

LI Fang1,2，CUI Hongmei1,2，Lü Bingnan3

1Department of Water Draining and Supply，School of Civil Engineering，Northeast Petroleum University，Daqing 163318，Heilongjiang，China；2Heilongjiang Key Laboratory of Disaster Prevention，Mitigation and Protection Engineering，Daqing 163318，Heilongjiang，China；3School of Municipal & Environmental Engineering，Harbin Institute of Technology，Harbin 150090，Heilongjiang，China

Online:2012-07-05 Published:2012-07-25

摘要/Abstract

摘要： 采用单轴三级生物转盘（RBC），进行了生物转盘同步去除化学需氧量和氮的试验研究。水温度15 ℃，进水COD浓度为400mg/L左右时，转盘对化学需氧量的去除率达到85%左右。控制适宜的碱度，转盘系统氨氮的硝化率在75%左右、总氮（TN）的去除率在50%左右。增设硝化液回流系统后，总氮的去除率显著提高，特别是回流比为200%时，TN去除率在低温下可达73.87%。实验表明生物转盘对化学需氧量和氮有较好的同步去除效果。

关键词: 生物转盘, 总氮的去除率, 化学需氧量的去除率, 回流比

Abstract: A 3-stage rotating biological contactor was used to study simultaneous removal of COD and nitrogen. When temperature was 15 ℃ and influent COD concentration was about 400mg/L，removal rate of COD was about 85% . Through controlling proper alkalinity nitrification rate of ammonia was about 75% and removal rate of TN was about 50%. After addition of a nitrification liquid circulation system，removal rate of TN，at reflux ratio of 200% increased to 73.87 %. Experimental results showed good effect of rotating biological contactor on removing COD and nitrogen.

Key words: rotating biological contactor, removal rate of total nitrogen, removal rate of COD, reflux ratio

李芳1，2，崔红梅1，2,吕炳南3. 生物转盘同步去除化学需氧量和氮的实验研究[J]. 化工进展.

LI Fang1,2，CUI Hongmei1,2，Lü Bingnan3. COD and nitrogen removal with rotating biological contactor[J]. Chemical Industry and Engineering Progree.

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