微生物絮凝剂产生菌的筛选和应用  

SCREENING AND APPLICATION OF BIOFLOCCULANT MICROORGANISM

作　　者：韩怀芬[1] 王锐刚[1] 金漫彤[1] 

机构地区：[1]浙江工业大学环境工程系,浙江杭州310014

出　　处：《能源环境保护》2003年第6期28-30,共3页Energy Environmental Protection

摘　　要：用常规的细菌分离纯化法从活性污泥、河泥中分离出目标菌种 (兼性厌氧固氮化能异养菌 ) ,经过驯化后 ,以发酵液对造纸、印染两种废水的絮凝效果为指标 ,选取培养得较好的一种 ,分析了影响其絮凝效果的主要因素。结果表明 :培养温度为30℃ ,pH为7.0 ,培养90h时絮凝效果最好 ,少量的Ca2 + 可提高絮凝率。The aimed bacterial strains(Azotobacter)were isolated and purified from activated sludge and riverain mud using normal ways of screening.Through investigating the flocculating abilities for(paper making?printing and dyeing)wastewater a strain,which had the highest flocˉculating activity among them,was finally picked out.The major factors which influence the flocculation of the strains were studied.The results showed that when the temperature of30℃and pH of7.0,it grows90h will reach the optimum flocculation ability.The addition of small amount of Ca 2+ in wastewater could increase the flocculation ability also.

关 键 词：微生物絮凝剂 固氮菌群 驯化 造纸废水 印染废水 水处理剂 

分 类 号：X172[环境科学与工程—环境科学] X703.5