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OALib Journal期刊
ISSN: 2333-9721
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菌株n1的固定化及其在处理混合废水中的应用
DOI: 10.3724/SP.J.1145.2014.00069, PP. 69-72
Keywords: n1菌株,固定化,混合废水处理,生物降解
Abstract:
采用聚乙烯醇（pva）与海藻酸钠（sa）复配的混合载体对前期研究分离得到的一株多底物硝基苯降解菌n1进行了固定化研究.确定10%pva和3%sa为最优的混合载体配比，获得了高硝基苯降解率及优良机械强度等性能兼顾的固定化细胞.与游离态细胞相比，固定化细胞具有更高的硝基苯降解效率、更强的高盐度环境耐受性和更宽的ph适应范围.在处理硝基苯与苯胺混合废水时，固定化细胞受到苯胺的影响比游离细胞小.在连续10轮的降解试验中，固定化细胞表现出稳定的硝基苯降解能力，显示其具有较好的应用前景.
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