复合型微生物絮凝剂的絮凝条件优化  

Optimization of the flocculanting conditions of compound microbial flocculant

作　　者：赵东风[1] 刘洁[1] 张云波[1] 刘其友[1] 

机构地区：[1]中国石油大学(华东)化学化工学院,山东青岛266555

出　　处：《工业水处理》2010年第4期66-68,共3页Industrial Water Treatment

基　　金：中国石油天然气集团公司科学研究与技术开发项目(06A0302)

摘　　要：在活性污泥和土壤中筛选出5株对石化废水絮凝效果较好的微生物絮凝剂产生菌。以菌1和菌5混合培养所形成的复合型微生物絮凝剂为研究对象,得到其最适絮凝条件:废水温度30℃,pH=9,絮凝剂投加量60μL,慢搅转速20 r/min,慢搅时间6 min,1 mol/L的Ca2+是最好的阳离子助剂。Five kinds of flocculant-produced strains which have high flocculating capacity have been obtained from activated sludge and soil. The compound microbial flocculant which is formed by compositing and cultivating Strain 1 and Strain 5 are studied. The optimum flocculating conditions are as follows：temperature is 30 ℃,pH is 9,flocculant dosage is 60 μL,the slowly stirring speed is 20 r/min,the slowly mixing time is 6 min. The addition of 1 mol/L of Ca^2＋ to the wastewater could increase the flocculation capacity of the bio-flocculant.

关 键 词：复合型微生物絮凝剂 石化废水 废水处理 

分 类 号：X703.1[环境科学与工程—环境工程]