一株可处理甲基橙废水的微生物絮凝剂的筛选及其脱色效果研究  

Screening of One Microbial Flocculant for Treatment of Methyl Orange Wastewater and Its Decolorization Effect

作　　者：张蔚萍[1,2] 严平[1,2] 孙德四[1,2] 王晓倩[1] 侯梦然[1] 

机构地区：[1]九江学院化学与环境工程学院,江西九江332005 [2]江西省鄱阳湖生态经济研究中心,江西九江332000

出　　处：《安徽农业科学》2011年第36期22544-22545,22558,共3页Journal of Anhui Agricultural Sciences

基　　金：国家自然科学基金(51064011);江西省教育科学"十二五"规划课题(10YB335);江西省教育厅青年科学基金项目(GJJ09599)

摘　　要：[目的]筛选出对甲基橙废水具有较好脱色效果的微生物絮凝剂产生菌及不同培养条件对其脱色效果的影响。[方法]用分光光度计测定脱色前后甲基橙溶液的吸光度,计算脱色率大小,对比不同培养条件对甲基橙去除率影响。[结果]筛选出了一株放线菌F-1-2,以蔗糖为碳源,NaNO3为氮源,在150 r/min的恒温震荡器中于30℃培养72 h后,发酵液对甲基橙去除率可达68.4%。[结论]不同培养条件对菌株的脱色效果影响显著。To screen out a microbial flocculant with good decolorization effect on methyl orange wastewater, and study the effect of different cultural conditions on decolorization effect of methyl orange. [ Method] Absorbance of methyl orange solution before and after decolorization was determined by spectrophotometer, and the decolorization rate was calculated to compare the effects of different cultural conditions on removal rate of methyl orange. [ Result] An optimal actinomycete stain（F-1-2） was screened out, and the best cultural condition was as follows： sucrose as carbon source, NaNO3 as nitrogen source, 150 r/min rotation speed, cultured at 30℃ for 72 h. Under the optimal condition, the removal rate against methyl orange could reach 68.4%. [ Conclusion] Different cultural conditions had great impact on decolorization effect of strain.

关 键 词：微生物絮凝剂 优化条件 脱色 

分 类 号：X703.1[环境科学与工程—环境工程]