化工学报Issue(2)：731-736,6.DOI:10.3969/j.issn.0438-1157.2014.02.051
响应面法优化制备PAC-PDMDAAC杂化絮凝剂及其表征
Preparation of PAC-PDMDAAC hybrid flocculant by response surface method and its characterization
摘要
Abstract
Polyaluminum chloride (PAC)-poly(dimethyl diallyl ammonium chloride) (PDMDAAC), a new type of organic-inorganic hybrid flocculant, was prepared by using KH570 as modifying agent and ammonium persulfate as initiator. The Box-Behnken mathematical relational model between intrinsic viscosity and affecting factors was established, and the technology of preparing PAC-PDMDAAC was optimized. The optimum preparation conditions were: DMDAAC mass fraction 33%, initiator mass fraction 0.6%, reaction temperature 64℃ and reaction time 3 h. Conductivity measurement, FT-IR and TGA showed covalent bond between PAC and PDMDAAC. SEM photos revealed that the PAC-PDMDAAC hybrid flocculant had loose structure and large particle size, which made it easier to play bridging and adsorption roles.关键词
混凝/制备/优化/响应曲面法/有机-无机杂化Key words
coagulation/preparation/optimization/response surface methodology/organic-inorganic hybrid分类
建筑与水利引用本文复制引用
蒋绍阶,冯欣蕊,李晓恩,蒋世龙..响应面法优化制备PAC-PDMDAAC杂化絮凝剂及其表征[J].化工学报,2014,(2):731-736,6.基金项目
村镇饮用水安全保障重大科技工程项目 （）
国家水体污染控制与治理科技重大专项项目（2009ZX 07424-004）。@@@@supported by the Towns and Villages Drinking Water Safety and Security of Major Scientific and Technological Projects (2012BAJ 25B06-001) and the National Science and Technology Major Water Special Project in Water Pollution Control and Governance (2009ZX07424-004) （2012BAJ 25B06-001）
