PDADMAC强化絮凝去除腐殖质类天然有机污染物的研究-ResearchGate.PDFVIP

See discussions, stats, and author profiles for this publication at: /publication/235962277 Study on the Enhanced Flocculation of the Natural Humus by PolydiallyldimethylammoniBin Chloride Article · January 2007 CITATION READS 1 104 4 authors, including: Gang Pan Nottingham Trent University 257 PUBLICATIONS   3,722 CITATIONS    SEE PROFILE Some of the authors of this publication are also working on these related projects: XAFS studies on surface adsorption View project Geoengineering for lake restoration View project All content following this page was uploaded by Gang Pan on 27 May 2014. The user has requested enhancement of the downloaded file. 维普资讯 第 28卷第 1期 环 境 科 学 Vo1．28．No．1 2007年 1月 ENVIRONMENTALSCIENCE Jan．．2007 PDADMAC强化絮凝去除腐殖质类天然有机污染物 的研究 田秉晖 ，葛小鹏 ，潘纲 ，栾兆坤 (中国科学院生态环境研究中心环境水质学国家重点实验室，北京 l00o85) 摘要 ：以不 同来源的腐殖质为典型有机污染物 ，进行 了聚二 甲基二烯丙基氯化铵 (PDADMAc)强化絮凝去除溶解性腐殖质 的研 究和机理讨论 ．结果表明，复合 PDADMAC使絮凝剂投量减少了60％以上，出水 DOC和色度的去除率分别增加了60％和 90％ 左右 ．不同来源腐殖质的负电性对 PDADMAC强化絮凝去除腐殖质的影响强于其疏水性的影响．有机阳离子絮凝剂 PDADMAC 强化絮凝去除溶解性腐殖质的絮凝机理主要表现为专属吸附作用 ，即在无机高分子絮凝剂PAC水解絮凝的过程中，高正电性 的PDADMAC吸附于PAC水解产物的表面上，增强了其吸附电中和与专属吸附作用 ，从而提高了其对溶解性腐殖质的去除率． 关键词 ：强化絮凝 ；腐殖质 ；聚二 甲基二烯丙基氯化铵 中圈分类号 ：X703．5 文献标识码 ：A 文章缩号 ：0250-3301(2007)014)092—06 Study on the Enhanced Flocculation of the Natural Humus by PolydiallyldimethylammoniBin Chloride TIAN Bing·hui，GE Xiao—peng，PAN Gang，LUAN Zhao—kun (StateKeyLaboratoryofEnvironmentalAquaticChemistry，ResearchCenterforEco-EnvimnmentulSciences，ChineseAcademyofSci