Author(s): Zhao Dongfeng, Wu Weilin, Zhang Yunbo, Liu Qiyou, Kong Yin
Pages: 945-950
Year: 2011 Issue:  4
Journal: Chinese Journal of Environmental Engineering
Keyword:  微生物絮凝剂; 絮凝率; 发酵条件; 絮凝条件;
Abstract: 从活性污泥中分离筛选出一株高效絮凝剂产生菌B-6-1,使用紫外线进行原生质体诱变育种获得一株絮凝率为98.5%的菌株P33,经生理生化试验检测其属于肠杆菌属.传代稳定性实验表明,P33所产微生物絮凝剂的稳定性较好.菌株P33最优发酵条件和絮凝特性实验结果表明:菌株最佳发酵条件为每升发酵培养基中(蔗糖20 g,尿素0.75 g,KH2PO42 g,K2HPO45 g,NaCl 0.1 g,酵母膏0....