投菌法处理微污染河水的试验研究  

IMPROVING WATER QUALITY OF MICRO-POLLUTED RIVER WATER BY ADDING MICROORGANISMS

作　　者：陈谊[1] 孙宝盛[1] 孙井梅[1] 黄宇[1] 

机构地区：[1]天津大学环境科学与工程学院,天津300072

出　　处：《水处理技术》2009年第2期35-38,共4页Technology of Water Treatment

基　　金：天津市科技委员会科技攻关计划课题(043115111-5)

摘　　要：研究投菌法处理微污染河水的可行性,通过静态试验研究多菌种混合投加的最佳投加量,选择对COD去除率较高的酵母菌作为COD主降解菌,对氨氮去除率较高的放线菌和乳酸菌作为氨氮主降解菌,枯草芽孢杆菌和絮凝菌作为辅助降解菌。使用软件进行优化分析,使COD去除率和氨氮去除率同时达到最大值,得到五种菌的最佳投加量为:酵母菌0.725mL、放线菌1.355mL、乳酸菌2.250mL、枯草芽孢杆菌0.215mL、絮凝菌0.215mL(菌液OD660值为0.5时,对100mL原水的投加量),此时COD去除率为50.5%,氨氮去除率为62.3%。The feasibility of adding microorganisms to treat micro-polluted river was studied through the static test experimental research on hybrid strains for the best increase dosage, yeast with high COD removal efficiency was used as the primary microbe to biodegrade COD, actinomyees and lactic acid bacteria with high ammonia nitrogen removal efficiency were used as the primary microbe to biodegrade ammonia nitrogen, bacillus subtilis andflacculating bacteria were used as the accessorial biodegradation microbes. Using software optimization analysis so that the removal of COD and ammonia nitrogen removal rate reached the maximum at the same time, received five of the best dosage is： yeast 0.725 mL, actinomycetes 1.355 mL, lactic acid bacteria 2.250mL, bacillus subtilis 0.215 mL, flaceulation 0.215 mL （OD660=0.5,volume of raw water is 100 mL）, COD removal efficiency was 50.5%, ammonia nitrogen removal efficiency was 62.3%.

关 键 词：投菌法 微污染河水 混合投加 最佳投加量 

分 类 号：X524[环境科学与工程—环境工程]