PEM阳离子乳液的合成及用于造纸废水处理的研究  

SYNTHESIS OF PEM EMULSION AND ITS APPLICATION TO WASTEWATER TREATMENT FOR PAPER MILL

作　　者：张志斌[1] 李敏[1] 方伊[1] 万昌秀[2] 

机构地区：[1]西南交通大学生物工程系,四川成都610031 [2]四川大学高分子科学与工程学院,四川成都610065

出　　处：《水处理技术》2005年第12期20-22,共3页Technology of Water Treatment

基　　金：四川省应用基础研究项目(03JY029-059)

摘　　要：本文以丙烯酸乙酯(EA)、2-甲基丙烯酸乙酯三甲铵盐(MTA)为原料,采用无乳化剂乳液聚合法,合成了一系列EA-MTA阳离子共聚物(PEM)乳液,观测了PEM乳液的稳定性、固含量和转化率。确定了合成最稳定、且固含量和转化率最高的PEM乳液的最佳条件。通过电镜测定,PEM乳液为球形粒子,粒径为100～170nm。将PEM乳液用于造纸废水的沉降处理,通过对沉降时间和透光度的测定,处理废水效果最好的PEM乳液的用量为0.006%。A series of cationic emulsion copolymers based on ethyl acrylate （EA） and （2-methacryloxyethyl） trimethyl ammonium （MTA） were synthesized by means of emulsifier-free emulsion polymerization. The stability and convertibility of PEM emulsion were determined. The optimum condition of synthesis for PEM emulsion was obtained. The PEM emulsion as a kind of flocculants was applied to waste water treatment for paper mill, and the precipitation time and transmittancy were measured. The optimum value of PEM emulsion that was able to make the wastewater into clear water was 0.006%.

关 键 词：无乳化剂乳液聚合 PEM乳液絮凝剂 废水处理 

分 类 号：TQ314.253[化学工程—高聚物工业]