14污水污泥有机调质浓缩和无机调质脱水工艺研究

14污水污泥有机调质浓缩和无机调质脱水工艺研究第3卷第3期环境工程学报V。1．3，N。．3：丝旦竺堡!旦垦垦i翌里!!』竺坠翌璺!竺!垦望!生竺翌坐!璺!呈!垦璺g也望旦竖坚!!：兰!!!污水污泥有机调质浓缩和无机调质脱水工艺研究陈嘉愉1吴学伟2(1．广州大学土木工程学院，广州510120；2．广州市水务局，广州510640)摘要介绍了一种污水污泥有机调质浓缩和无机调质脱水工艺，它可有效提高污泥浓缩和脱水效率。含水率99％以上的剩余污泥经过有机调质后可快速浓缩至含水率93％左右，去除污泥中的间隙水和表面吸附水。浓缩污泥经过无机调质后可板框压滤脱水至含水率60％左右，脱除污泥中的毛细结合水和部分细胞水，而且实现了污泥重金属的稳定化。关键词污水污泥浓缩脱水中图分类号X705文献标识码A文章编号1673—9108(2009)03-0529-04ResearchofwastewatersludgeorganicconditioningconcentrationandinorganicconditioningdewateringtechnologyChenJiayulWuXuewei2(1．SchoolofCivilEngineefing，GuangzhouUniversity．Guangzhou510120；2．GuangzhouWaterResourceBureau，Guangzhou510640)AbstractAwastewatersludgeorganicconditioningconcentrationandinorganicconditioningdewateringtechnologyisintroduced，whichcanincreasetheefficiencyofconcentrationanddewateringofsludge．Aftertheorganicconditioning，thesurplusesludgecanbeconcentratedquickly，andthemoisturecontentwillfalldownfrom99．3％to93％．itremovalsthegapwaterandsurfaceadsorptionwater．Aftertheinorganicconditioning，theconcentrated．slu