凹凸棒土/聚合铝铁絮凝剂制备因素的研究  

Study on The Factor of Preparation Attapulgite/Polymeric Iron Alum Flocculant

作　　者：贺晓娟[1] 梁卫东[1] 曹丰龙[1] 

机构地区：[1]兰州理工大学石油化工学院,甘肃兰州730050

出　　处：《非金属矿》2011年第3期13-14,18,共3页Non-Metallic Mines

基　　金：甘肃省教育厅研究生导师基金资助项目(0903-04);兰州市工业科技攻关及产业化项目(No.2010-1-19)

摘　　要：以亚铁盐和铝盐为原料,采用分步滴定法制备凹凸棒土/聚合铝铁复合絮凝剂(APAFC),考察了原料配比、反应温度、pH值对复合絮凝剂性能的影响。结果表明:在pH值为3、m(凹凸棒土)∶m(FeSO4)∶m(AlCl3)为1∶0.05∶0.1、反应温度为60℃条件下,复合絮凝剂絮凝性能最佳。COD去除率为80%以上,浊度去除率为90%以上。Attapulgite - existed aluminium and iron compound flocculating agent （APAFC） was prepared from ferrite salt and aluminium salt by the method of step-by-step dripping reaction. The effect of the quality ratio of raw materials, reaction temperature and pH value were observed. The experimental results showed that the best conditions of preparing attapulgjte - existed iron and aluminium compound flocculating agent were that the mass ratio of attapulgite and FeSO4 and AlCl3 was 1 ： 0.05 ： 0.1, the reaction temperature was 60℃ and pH value was 3, the removal rate of COD and turbidity were more than 80% and 90% ,respectively.

关 键 词：凹凸棒土 聚合铝铁 絮凝剂 性能 

分 类 号：X703[环境科学与工程—环境工程] TB33[一般工业技术—材料科学与工程]