聚丙烯酰胺-聚硅酸锌复合絮凝剂的制备和絮凝性能  

Preparation and Flocculating Performance of a PolyacrylamidePolysilicate Zinc Composite Flocculant

作　　者：赵飞[1] 李学峰[1] 

机构地区：[1]许昌学院化学化工学院,河南许昌461000

出　　处：《浙江化工》2014年第4期34-38,共5页Zhejiang Chemical Industry

基　　金：河南省科技攻关计划(092102210221);河南省教育厅自然科学基础研究项目(12B530004)

摘　　要：利用物理复合的方法制备聚丙烯酰胺(PAM)-聚硅酸锌(PSZ)复合絮凝剂。结果表明,聚丙烯酰胺-聚硅酸锌絮凝剂在复配比例为V(PAM):V(PSZ)=1.0、投加量为0.10mL、模拟水样pH为8左右时,对高岭土模拟废水絮凝效果最好,脱色率达91.2%,均高于聚丙烯酰胺和聚硅酸锌单独使用的效果(最高脱色率分别达87.66%和89.78%);而且,在中性和碱性范围内,这种复合絮凝剂受pH影响较小。三种絮凝剂应用于四种工业废水的脱色处理结果表明,聚丙烯酰胺-聚硅酸锌复合絮凝剂的脱色率也均比单一絮凝剂要高。Polyacrylamide （PAM）-polysilicate zinc （PSZ） composite flocculant has been prepared via a physical composition method. The results show that the optimum decoloring ratio for kaolin simulated water sample reaches 91.2% under a condition including of 0.10 mL of PAM-PSZ flocculant dosage, 1.0 of V （PAM） ： V （PSZ） （volume ratio）, and 8 of pH. The decoloring ratio of PAM-PSZ is higher than that of PAM （87.66%） and PSZ （89.78%）. Moreover, in neutral and alkaline condition the decoloring performance of PAM-PSZ is less affected by pH than that of PAM and PSZ. The results of application for waste water show that the decoloring performance of PAM-PSZ is also better than that of PAM and PSZ.

关 键 词：聚丙烯酰胺-聚硅酸锌复合絮凝剂 高岭土模拟水样 脱色率 工业废水 

分 类 号：X703[环境科学与工程—环境工程]