垃圾焚烧飞灰无害化与资源化现状及发展趋势 Status and Development Trend of Harmless and Resourceful Disposal of Municipal Solid Waste Incineration Fly Ash

城市生活垃圾焚烧飞灰是垃圾焚烧处理中的主要副产物，因其含有高含量重金属、二噁英等危害物，已成为垃圾焚烧行业发展亟需解决的难题。本文综述了当前垃圾焚烧飞灰传统无害化处理工艺及机理，分析了其资源化趋势，并介绍了几种新型处理方法，为提高垃圾焚烧处理过程中资源化利用的程度提供了参考。 Municipal solid waste incineration (MSWI) fly ash is the main by-product of waste incineration. Because of its high content of heavy metals, dioxins and other harmful substances, it has become a difficult problem for the development of waste incineration industry. This paper reviewed the traditional waste incineration fly ash harmless treatment technology and mechanism, analyzed the trend, and introduced the development of new methods, in order to improve the degree of resource utilization of waste incineration process.