化工进展

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Fe(Ⅵ)的特性分析及在水处理中的应用

阚连宝1,段庆茹2,王宝辉3,陈 平1   

  1. 1东北石油大学土木建筑工程学院,黑龙江 大庆 163318;2东北石油大学石油经济与管理研究所,黑龙江 大庆 163318;3东北石油大学化学化工学院,黑龙江 大庆 163318
  • 出版日期:2011-08-05 发布日期:2011-08-05

Analysis of Fe(Ⅵ) characteristics and its application to water treatment

KAN Lianbao1,DUAN Qingru2,WANG Baohui3,CHEN Ping1   

  1. 1 College of Civil and Architecture Engineering,Northeast Petroleum University,Daqing 163318,Heilongjiang,China;2 Petroleum Economics and Management Instilute,Northeast Petroleum University,Daqing163318,Heilongjiang,China;3 College of Chemistry & Chemical Engineering,Northeast Petroleum University,Daqing 163318,Heilongjiang,China
  • Online:2011-08-05 Published:2011-08-05

摘要:

高铁酸盐是一种新型的水处理药剂。本文从结构化学、电化学、热分解特性及稳定性的角度,系统分析了高铁酸盐的物化特性,阐述了高铁酸盐制备方法,综述了高铁酸盐在水处理方面的应用。以Fe预氧化水源水工艺为例,介绍了高铁酸盐的具体应用,结果表明,1.0 mg/ L的高铁酸盐预氧化即可显著提高混凝效果,沉后水和滤后水浊度去除率分别达到98.58%99.94%,水中色度、UV254等有机物综合指标均呈明显下降趋势,与此同时,水中锰、铁浓度也显著降低。另外,高铁酸盐预氧化可有效地去除水中细菌和大肠菌群。最后,还根据高铁酸盐工程应用实际情况,提出了工程应用的建议。

Abstract:

FerrateFe()is a new type of water treatment chemicals. From the point of view of structural chemistryelectrochemistrythermal decomposition characteristics and stabilitythe physical and chemical characteristics of Fe() were analyzedand the preparation of ferrate was described. Its application to water treatment was summarizedsuch as pre-oxidation by ferrateand the specific applications were outlined. The results showed that 1.0 mg / L ferrate pre-oxidation could significantly improve the effect on coagulationWater after sedimentation and filtration turbidity removal rate reached 98.58% and 99.9% respectively. Water colorityUV254 and other organic composite indicator were significantly decreased. At the same timemanganese and iron were also significantly reduced. In additionferrate pre-oxidation could effectively remove bacteria and E.coli. Finallyaccording to the practical situationthe paper offers advice on engineering application of ferrate.

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