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The flocculation efficiency of compound bioflocculant by flocculant-producing bacteria

MA Fang WANG Qin MENG Lu XU Yang YANG Ji-xian

哈尔滨工业大学学报(英文版)2006,Vol.13Issue(4):435-438,4.
哈尔滨工业大学学报(英文版)2006,Vol.13Issue(4):435-438,4.

The flocculation efficiency of compound bioflocculant by flocculant-producing bacteria

The flocculation efficiency of compound bioflocculant by flocculant-producing bacteria

MA Fang 1WANG Qin 2MENG Lu 1XU Yang 1YANG Ji-xian1

作者信息

  • 1. School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
  • 2. College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China
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摘要

Abstract

The flocculation efficiency of compound bioflocculant produced by flocculant-producing bacteria was investigated in this study. Cheap cellulose was selected as the substrate for the production of a lower cost bioflocculant. The end product of cellulose decomposing bacteria was utilized as substrate for flocculant-producing bacteria. The optimum fermentation conditions were determined as follows: the initial fermentation and fermentation time was 5 d and 1 d respectively, the temperature was 30 °C, the rotation speed was 120 r/min, the amount of CaCl2 solution (10%) was 1.5 ml/L. The flocculation test indicated that the bioflocculant had high efficiency in the removal of the turbidity raw water from Songhaa River.

关键词

compound bioflocculant/flocculant-producing bacteria/flocculation efficiency

Key words

compound bioflocculant/flocculant-producing bacteria/flocculation efficiency

分类

资源环境

引用本文复制引用

MA Fang,WANG Qin,MENG Lu,XU Yang,YANG Ji-xian..The flocculation efficiency of compound bioflocculant by flocculant-producing bacteria[J].哈尔滨工业大学学报(英文版),2006,13(4):435-438,4.

基金项目

Sponsored by the Science Foundation of Heilongjiang Province( Grant No. GB02C202 -02 ). ( Grant No. GB02C202 -02 )

哈尔滨工业大学学报(英文版)

1005-9113

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