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聚硅酸盐类絮凝剂的研究进展 被引量:81

Progress of inorganic coagulant polysilicate
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摘要 从聚硅酸盐类絮凝剂研制与发展所经历的 4个阶段 ,概略评述了国内外的研究现状及其进展 ,分析了各类聚硅酸盐絮凝剂的优点 ,指出了目前研究工作中所存在的问题。建议今后聚硅酸盐类絮凝剂的研究应重点开展 :制备新工艺研究 ,提高产品的絮凝及稳定性能 ;聚硅酸与金属盐之间的相互作用研究 ,探讨絮凝机理 ;进一步开展应用研究 。 This paper is general review on the progress in studying of inorganic coagulant polysilicate for water and wastewater treatment. The merits of these flocculants are analyzed from their four development stages. There are some problems in present study and some pieces of suggestion are given for the development of polysilicated in the future. We should primarily launch the research on the new ways of their preparation, improving their flocculability and stabilization, study the interaction between the polysilicate and metal salts and probe into their mechanisms. The application research should be further developed, in which the most important is determining the optimum application conditions and scopes in treating water and wastewater.
作者 孙剑辉 徐毅
出处 《工业水处理》 CAS CSCD 2000年第3期4-6,共3页 Industrial Water Treatment
基金 河南省科技攻关课题
关键词 聚硅酸盐 絮凝剂 水处理 coagulant polysilicate aluminium iron water and wastewater treatment
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