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城市生活垃圾焚烧飞灰的处理与综合利用
引用本文:倪静,赵由才. 城市生活垃圾焚烧飞灰的处理与综合利用[J]. 环境卫生工程, 2006, 14(6): 20-23,26
作者姓名:倪静  赵由才
作者单位:同济大学,污染控制与资源化研究国家重点实验室,上海,200092
摘    要:城市生活垃圾焚烧飞灰中可溶性重金属和溶解盐含量较高,并含有二(口恶)(口英)等剧毒有机污染物,一般可认为是危险废物.目前飞灰处置的主要模式是对飞灰进行单独收集,经适当处理后,送入填埋场进行填埋.固化/稳定化和重金属提取是目前飞灰处理的主要方法.介绍了飞灰的4类共9种再利用途径:建筑材料制作(水泥、混凝土、陶瓷、玻璃和玻璃陶瓷),岩土工程应用(道路、筑堤),农业利用(土壤改良剂)和其它(吸附剂、污泥调理剂).

关 键 词:城市生活垃圾  焚烧飞灰  危险废物  处理  资源化利用
文章编号:1005-8206(2006)06-0020-05
收稿时间:2006-08-01
修稿时间:2006-08-01

Treatment and Comprehensive Utilization of Municipal Solid Waste Incineration Fly Ash
Ni Jing,Zhao Youcai. Treatment and Comprehensive Utilization of Municipal Solid Waste Incineration Fly Ash[J]. Environmental Sanitation Engineering, 2006, 14(6): 20-23,26
Authors:Ni Jing  Zhao Youcai
Affiliation:State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai 200092
Abstract:Fly ash resulting from municipal solid waste incineration(MSWI)is classified as a hazardous waste,owing to its heavy metals,in some cases,toxic chlorinated organics content.High concentrations of soluble salts are also present.The present main management strategy is to collect MSWI fly ash seperately,and have it landfilled after suitable treatment.At present,solidification/stabilisation and heavy metals extraction are two main techniques of MSWI fly ash treatment.Nine possible applications,which can be grouped into four main categories,were also discussed :construction materials(cement,concrete,ceramics,glass and glass-ceramics),geotechnical applications(road pavement,embankments),agriculture(soil amendment),and miscellaneous(sorbent,sludge conditioning).
Keywords:Municipal solid waste   Incineration fly ash   Hazardous waste   Treatment   Reuse
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