n.多晶形铁(树脂羰基铁粉)

Combination of the inorganic flocculant as polyiron sulfate and the organic polymer flocculant as AN934SH 、FO4440SH 、FO4498、FO4650SH is utilized. 研究了复合使用聚合硫酸铁与有机高分子絮凝剂AN934SH、FO4440SH、FO4498和FO4650SH等处理大运河常州段原水时，投药顺序、投药量之比等对混凝效果的影响。

The author outlines the type, characteristics of coagulant popularly used; especialy discusses the application conditions and extents of polyacrylamide, polyiron sulfate and poly alum. 介绍了目前应用的凝聚剂的种类、性质,较详尽的论述了聚丙烯酰胺、聚合铁和聚合铝高分子化合物的使用条件和应用范围。

Keywords Sedimentation;Modified polyiron;Fluoric wastewater; 沉淀;改性聚铁;含氟废水;

Keywords polyiron silicate sulfate floeeulants refuse landfill landfill leachate pynte cinder bauxite sludge; 聚硅酸硫酸铁;垃圾填埋;渗滤液;硫铁矿烧渣;硫酸铝渣;

Keywords environmental engineering;polyiron silicate sulfate flocculants;bauxite sludge;pyrite cinder;simulating turbid water;landfill leachate effluent; 环境工程;聚硅酸硫酸铁;硫酸铝渣;硫铁矿烧渣;模拟浊水;垃圾填埋场渗滤液;