粉煤灰制备聚硅酸絮凝剂的研究进展  

Progress in the research on the preparation of polysilicate coagulants from fly ash

作　　者：仝坤[1] 张以河[1] 刘付臣[2] 孙晓霞[2] 

机构地区：[1]中国地质大学(北京)材料科学与工程学院,北京100083 [2]中国石油辽河石油勘探局,辽宁盘锦124010

出　　处：《工业水处理》2011年第4期15-18,共4页Industrial Water Treatment

摘　　要：介绍了粉煤灰的来源、数量、危害、主要成分及性质,综述了以粉煤灰为主要原料制备聚硅酸系列絮凝剂的方法、类型、研究现状和应用效果,对制备的絮凝剂处理污水的机理进行了分析,总结了粉煤灰制备聚硅酸絮凝剂存在的问题,对如何更好地开发和利用粉煤灰提出了建议。Some information of fly ash,such as its source,quantity,hazards,the main components and properties are introduced.The preparation of various polysilicate coagulants using fly ash as main raw material is reviewed.Preparation methods,category,situation of research and result of utilization are also introduced.The reaction mechanisms of preparing coagulants for wastewater treatment are analyzed.Problems existing in the preparation of polysilicate flocculants from fly ash are summarized.Suggestions on how to exploit and make use of fly ash more efficiently are brought forward.

关 键 词：粉煤灰 聚硅酸 絮凝剂 污水处理 

分 类 号：X705[环境科学与工程—环境工程]