摘要
以玉米淀粉、丙烯酰胺（AM）、二甲基二烯丙基氯化铵（DMDAAC）为原料，通过反相乳液三元聚合技术制得淀粉改性阳离子多元共聚物。利用该共聚物与聚合氯化铝（PAC）配合使用，对制浆造纸中段废水进行处理，考察pH值、药剂用量及沉淀时间等因素对CODcr、SS、色度去除率的影响，得出最佳实验条件．实验结果表明，当废水pH值为6～7、沉降时间为25min、聚合氯化铝最佳投药量为200mg／L、多元共聚物最佳投药量为8mg／L。处理后废水CODcr、SS、色度去除率分别达到94．8％、97．1％和93％．
Micromolecular floccuent was synthesized with starch, acrylamide （AM） and diallyl dimethyl ammonium chloride （DMDAAC） by inverse emulsion and there-member polymerization. The flocculent together with Polyaluminum （PAC） were used to treating the paper-maklng wastewater. The results showed that the optimum amour of copolymer and PAC was 8 mg/L and 200 mg/L respectively, pH=6-7 and the time was 25 rain, in which the CODer, SS and colourity removal rate was 94.8%, 97. 1%, and 93%.
出处
《大连轻工业学院学报》
2007年第4期346-348,共3页
Journal of Dalian Institute of Light Industry
关键词
絮凝剂
淀粉
废水处理
flocculation
starch
water treatment
