污泥焚烧灰在沥青混合料中的资源化利用研究  

Review on the Resource Utilization of Sewage Sludge Ash in Asphalt Mixture

作　　者：倪航天 凌森林 胡明君 徐磊 孙大权[1] NI Hangtian;LING Senlin;HU Mingjun;XU Lei;SUN Daquan(Road and Traqfic Engineering Key Laboratory of Education Minisry,Tongji University,Shanghai 201804)

机构地区：[1]同济大学道路与交通工程教育部重点实验室,上海201804

出　　处：《石油沥青》2022年第2期44-52,共9页Petroleum Asphalt

摘　　要：污泥焚烧灰是污泥焚烧后产生的残渣,实现污泥焚烧灰资源化利用具有重要意义。总结了X泥焚烧灰物化和工程性质,综述了污泥焚烧灰在沥青混合料中的应用研究进展,分析了污泥焚烧灰对沥青混合料性能的影响及其有害元素浸出行为。研究表明,污泥焚烧灰沥青混合料的力学和路用性能可以满足相关规范要求。沥青胶结作用对污泥焚烧灰中有害元素浸出起到明显的限制作用。污泥焚烧灰作为沥青混合料矿粉或细集料具有技术可行性和发展潜力。Sewage sludge ash is the residue after sewage sludge incineration.It is sigmificant to realize the resource utilization of sewage sludge ash.This paper summarize the physico-chemical characteristics and.engineering properties of sewage sludge ash,review the research progress of sewage sludge ash used in asphalt mixture,analyze the effect of sewage sludge ash on the performance of asphalt mixture and leaching behavior of sewage sludge ash.The mechanical and pavement performances of asphalt mixture with sewage sludge ash satisfied relevant specifications.Hazardous elements leaching concentrations of sewage sludge ash in asphalt mixture is fficiently reduced by asphalt binding efct.Consequently,sewage sludge ash has the technical feasibility and potential as fllr or fine aggregate for asphalt misture.

关 键 词：污泥 污泥焚烧灰 沥青混合料 资源化利用 有害元素浸出 

分 类 号：X703[环境科学与工程—环境工程] U414[交通运输工程—道路与铁道工程]