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产气肠杆菌(KLE-1)絮凝特性的研究

STUDY ON EFFICIENT BIOFLOCCULANT BY A KLEBSIELLA MOBILIS

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【作者】 王曙光李剑高宝玉岳钦艳冯贵颖姚利

【Author】 WANG Shu-guang~1 LI Jian~1,2 GAO Bao-yu~1 YUE Qin-yan~1 FENG Gui-ying~2 YAO Li~1 (1 School of Environmental Science and Engineering, Shandong University, Ji’nan, 250100; 2 College of Life Science, Northwest Science-Technology University of Agriculture and Forestry, Xi’an, 712100)

【机构】 山东大学环境科学与工程学院西北农林科技大学生命科学学院山东大学环境科学与工程学院 济南250100济南250100西安712100

【摘要】 从土壤中筛选出一株产生菌KLE1,经鉴定该菌株为产气肠杆菌(Klebsiellamobilis).利用乳品废水作为发酵培养基,该菌株产生多糖类微生物絮凝剂;Ca2+对该絮凝剂的助絮凝效果优于其它金属阳离子;采用红外扫描、zeta电位测定仪对絮凝机理进行研究,表明该絮凝剂主要以架桥作用为主.

【Abstract】 A strain was screened from soil, identified as Klebsiella mobilis.It produces bioflocculant from dairy wastewater, which is thought of as a cheaper medium. The test results of bioflocculant activity for KLE-1 show that the bioflocculant, which is of polysaccharide bioflocculant, has high efficient of Kaolin clay.Bioflocculant activity can be apparently improved when using calcium ion as the flocculant-aid. There is no question that bridging operates the particles of the suspension by the way of infrared spectrum and zeta-potential measurements.

【关键词】 产气肠杆菌微生物絮凝剂絮凝
【Key words】 Klebsiella mobilisbioflocculantflocculant.
【基金】 国家高技术发展计划(863计划)(2003AA601060);山东省环保局重点项目(项目编号:034812).
  • 【文献出处】 环境化学 ,Environmental Chemistry , 编辑部邮箱 ,2005年02期
  • 【分类号】X703
  • 【被引频次】48
  • 【下载频次】218
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