环境工程学报2012，Vol.6Issue(11)：3919-3922,4.
硅藻土强化混凝去除微污染原水中的有机物
Removal of organic matter in micro-polluted raw water using enhanced coagulation with diatomite
摘要
Abstract
The removal of dissolved organic matter(DOM) from the slightly polluted surface water by the combination of PAC and diatomite was investigated.The DOM from raw river was fractionated and characterized by resin adsorption(RA) and ultrafiltration(UF) techniques.The physical distribution of the DOM is that the fraction with molecular weight below 4 kDa is more than 50%.The results showed that the molecular weight below 4 kDa was the main DOM in the water sample.The chemical fractions distribution of the DOM is that the hydrophobic acids(HoA) and the hydrophilic matter(HiM) are richer than others.The combination of PAC and diatomite removed DOM,the DOC removal rate was improved from 22.5% to 26.3 % with 30 mg/L PAC combining 0.5 g/L diatomite.关键词
硅藻土/聚合氯化铝/溶解性有机物/超滤膜/树脂分级Key words
diatomite/polyaluminum chloride/dissolved organic matter/ultrafiltration membrane/resin fractionation分类
资源环境引用本文复制引用
徐亚斌,吴纯德,王林,雷明秀..硅藻土强化混凝去除微污染原水中的有机物[J].环境工程学报,2012,6(11):3919-3922,4.基金项目
国家自然科学基金资助项目（51078148 （）
41173103） （）
