淀粉接枝丙烯酰胺的制备及其在造纸污水处理中的应用  

Preparation of Starch Grafted Acrylamide Flocculants and Its Application in Treatment of Wastewater During Papermaking

作　　者：刘婷婷[1] 张道洪[1] 

机构地区：[1]中南民族大学催化材料科学国家民委-教育部重点实验室,湖北武汉430074

出　　处：《化学与生物工程》2015年第12期59-62,66,共5页Chemistry & Bioengineering

基　　金：国家自然科学基金资助项目(51373200;51573210)

摘　　要：以淀粉、丙烯酰睦、甲基丙烯酰氧乙基三甲基氯化铵为主要原料制备了高淀粉含量的淀粉接枝丙烯酰胺和阳离子改性淀粉接枝丙烯酰胺两种絮凝剂,探讨了单体浓度、引发剂浓度、糊化温度、接枝反应时间、接枝反应温度对单体转化率和淀粉含量的影响。将这两种絮凝剂应用于造纸污水的处理,并与几种市售的工业用聚丙烯酰胺絮凝剂进行对比,发观两种絮凝剂均具有优异的絮凝效果。Using starch, acrylamide and [2-（methacryloyloxy） ethyl] trimethylammonium chloride as main raw materials, two kinds of high starch content fIocculants, starch grafted acrylamide and cation-modified starch grafted acrylamide were prepared. Effects of monomer concentration,initiator concentration, gelatinization tem- perature,grafting reaction time, and grafting reaction temperature on the monomer conversion and starch con- tent were discussed. Applying the two kinds of flocculants to deal with papermaking wastewater, they all showed excellent flocculation efficiency compared with several industrial polyacrylamide flocculants.

关 键 词：淀粉 丙烯酰胺 接枝共聚 造纸污水 絮凝效果 

分 类 号：TQ314.253[化学工程—高聚物工业] X793[环境科学与工程—环境工程]