单-基质快滤系统处理生活污水的研究.pdfVIP

学兔兔 公路交通技术 2014年4月 第2期 Technology of Highway and Transport Apr．2014 No．2 单一基质快滤系统处理生活污水的研究 张兰军 ，王浩胜 (1．招商局重庆交通科研设计院有限公司，重庆 400067；2．重庆交通大学，重庆 400074) 摘 要：结合城市污水处理及快滤系统基质研究现状，通过试验室建立模拟土柱，对各单一基质材料处理污水效果 进行试验研究。结果表明：陶粒、沸石、炉渣、蛭石、草炭这5种单一基质材料中，去除化学需氧量(COD)的能力由强 到弱依次为炉渣、蛭石、沸石、陶粒、草炭，去除氨氮的能力由强到弱依次为炉渣、蛭石、陶粒、沸石、草炭。对各种基 质材料出水pH值进行监测，发现陶粒显碱性，草炭显酸性，且各基质材料出水的溶解氧浓度由高到低依次为炉渣、 蛭石、草炭、沸石、陶粒。 关键词：生活污水；快滤系统；COD；氨氮；去除率 文章编号：1009—6477(2014)02—0130—05 中图分类号：X824 文献标识码：A Research on Treatment of Domestic Sewage by Single-material Fast Filter System ZHANG La~un ，WANG Haosheng Abstract：In combination with research status of urban sewage treatment and matrix of fast filter system， this paper conducts experiment~ research on the effect of sewage treatment with all single——material material by establishing simulating earth pillars in laboratory．The result shows that in five single—matrix materials of ceramsite，zeolite，slag，vermiculite and turf，the capability of removing chemical oxygen demand(COD)from strong to weak is slag，vermiculite，zeolite，ceramsite and turf in turn，and the capability of removing ammonia nitrogen from strong to weak is slag，vermiculite，ceramsite，zeolite and turf in turn．The paper monitors water yielding pH values of various matrix materials and finds that ceramsite shows alkalinity and turf shows acidity，and dissolved oxygen concentration in yielding water of various matrix materials from high to low is slag，vermiculite，turf，zeolite and ceramsite in turn． Key words：domestic sewage；fast filter system；COD；ammonia nitrogen；removal rate 人工快速渗滤(CRI)系统是在传统快速渗滤 本文通过建立土柱模型，进行模拟CRI系统处