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CHEN Shuang, WANG Liangkai, WEN Tao, MAO Xinyu, XU Ming, SHAO Xiaohou. Purification effect of immobilized effective microorganism community of fly ash ceramsite on aquaculture wastewater[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20190443
Citation: CHEN Shuang, WANG Liangkai, WEN Tao, MAO Xinyu, XU Ming, SHAO Xiaohou. Purification effect of immobilized effective microorganism community of fly ash ceramsite on aquaculture wastewater[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20190443

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Purification effect of immobilized effective microorganism community of fly ash ceramsite on aquaculture wastewater

doi: 10.11833/j.issn.2095-0756.20190443
  • Received Date: 2019-07-21
  • Rev Recd Date: 2019-12-01
  • Available Online: 2019-12-17
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Purification effect of immobilized effective microorganism community of fly ash ceramsite on aquaculture wastewater

doi: 10.11833/j.issn.2095-0756.20190443

Abstract:   Objective  With ash and pond sediment as main raw material, the purpose of this research is to prepare biological ceramics with efficient nitrogen and phosphorus removal for treatment of polluted aquaculture water by immobilizing effective microorganism (EM) community.  Method  The optimal proportion of fly ash ceramsite was determined by isothermal adsorption test. The fly ash ceramsite was fixed with EM and treated for 6 days in simulated aquaculture wastewater with ammonia nitrogen, total nitrogen and total phosphorus concentrations of 50, 55 and 20 mg·L−1.  Result  Under the preheating temperature of 300 ℃ and the firing temperature of 1 100 ℃, when the mass ratio of fly ash ceramsite was m (fly ash)∶m (active sediment)∶m (limestone powder)∶m (iron powder)=50∶40∶5∶5, the modified fly ash ceramsite immobilized EM had the best purification effect on nitrogen and phosphorus in the simulated aquaculture wastewater. After 6 days, the maximum removal rates of ammonia nitrogen, total nitrogen and total phosphorus were 99.14%, 92.18% and 44.35%, respectively.  Conclusion  Fly ash ceramsite itself has a certain adsorption and purification capacity of nitrogen and phosphorus. After the immobilization of ceramsite with EM, water purification effect can be enhanced.[Ch, 5 fig. 4 tab. 24 ref.]

CHEN Shuang, WANG Liangkai, WEN Tao, MAO Xinyu, XU Ming, SHAO Xiaohou. Purification effect of immobilized effective microorganism community of fly ash ceramsite on aquaculture wastewater[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20190443
Citation: CHEN Shuang, WANG Liangkai, WEN Tao, MAO Xinyu, XU Ming, SHAO Xiaohou. Purification effect of immobilized effective microorganism community of fly ash ceramsite on aquaculture wastewater[J]. Journal of Zhejiang A&F University. doi: 10.11833/j.issn.2095-0756.20190443
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