啤酒废水处理系统高效菌株的分离筛选与分析

Environmental Science & Technology(2008)

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Abstract
从啤酒废水处理系统SBR池中取得的水样,分离纯化得到菌株35株,分别以进站原水和水解酸化池出水作为污水培养基,进行COD降解试验,复筛后分别得到3株COD降解率高且降解效果稳定的细菌12#,15#,23#与15#,25#,31#。将高效菌株与SBR池的活性污泥混合,考察其对啤酒废水的处理效果,结果表明,23#与活性污泥交互作用时在原水污水培养基中摇床培养16h COD降解率达到75.13%;25#与活性污泥交互作用处理水解酸化池出水120h时降解率达到82.40%。对4株高效菌株15#,23#,25#,31#进行16S rDNA序列测定,将所得序列与GenBank中已登录的相近细菌种群的DNA序列对比,得到高度同源性的细菌菌种。
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Key words
SBR,16S rDNA,strain isolation,biological treatment,brewery wastewater
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