阳离子聚丙烯酰胺复合插层有机膨润土的脱色性能  

DECOLORING PERFORMANCE OF COMPOUND INTERCALARY ORGANO-BENTONITE MODIFIED WITH CATIONIC POLYACRYLAMIDE

作　　者：任海贝[1] 李明玉[1] 

机构地区：[1]暨南大学环境工程系,广东广州510630

出　　处：《水处理技术》2005年第12期13-15,共3页Technology of Water Treatment

基　　金：广东省科技计划资助项目(2002C31622)

摘　　要：用阳离子聚丙烯酰胺(CPAM)分别插层改性钠基膨润土及十六烷基三甲基溴化铵(CTMAB)有机膨润土,分析了改性膨润土的结构,并研究了其对模拟及实际印染废水的脱色性能。结果表明,CPAM复合插层改性的CTMAB有机膨润土的层间距d001(20.480A。)大于CTMAB有机膨润土(19.211A。)、CPAM改性膨润土(13.604A。)和钠基膨润土(13.270A。)的层间距。用100mgCPAM复合插层改性膨润土处理200mL(30mg/L)活性艳红K-2G模拟染色废水时,脱色率达99%以上;处理实际印染废水时,脱色率可以达到94%,表现出优良的吸附、脱色、絮凝沉降的协同作用。The sodium bentonite and hexadecyl trimenthyl ammonium bromide （CTMAB） organo-bentonite were modified by cationic polyacrylamide （CPAM）. Its structure and the decoloring performance of simulative and actual dyeing wastewater with these different types of modified-bentonite were studied. The results showed that the interlayer spacing d001 （20.480A） of the CPAM compound intercalary CTMAB organo-bentonite was higher than these of CTMAB organo-bentonite （19.211A ）, CPAM organo-bentonite （13.604A） and sodium bentonite （13.270A）. When treating 200mL（30mg/L ） reactive red K-2G simulative wastewater with 100mg CPAM compound intercalary CTMAB organo-bentonite, the decoloring rate could reach to 99%. In the case of treating actual dyeing wastewater, the decoloring rate could reach to 94%.CPAM compound intercalary CTMAB organo-bentonite showed conspicuous synergistic effect of absorption, decoloration and flocculation.

关 键 词：阳离子聚丙烯酰胺 复合插层 改性膨润土 脱色 

分 类 号：X703.5[环境科学与工程—环境工程]