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Solid waste and waste incineration fly ash treatment method
The invention discloses a solid waste and waste incineration fly ash treatment method, and belongs to the technical field of waste incineration fly ash treatment. According to the method, the waste incineration fly ash is compounded with alkaline solid waste, an alkaline compound in the alkaline solid waste is used as a dechlorination active medium, dioxin in the fly ash is degraded through low-temperature pyrolysis, obtained first-stage residues are washed to remove chlorine salt, obtained second-stage residues are pretreated and then compounded with one or more bulk solid waste, and the solid waste is recycled. And the calcium-silicon ratio is adjusted for high-valued application to building materials. The method provided by the invention has the characteristics of high treatment efficiency, low cost and energy consumption, short process flow, strong operability and high added value, and can realize resource utilization of solid waste and fly ash.
本发明公开了一种固废协同垃圾焚烧飞灰处理方法,属于垃圾焚烧飞灰处理技术领域。本发明将垃圾焚烧飞灰复配碱性固废,利用碱性固废中的碱性化合物作为脱氯活性介质,经低温热解降解飞灰中的二噁英,得到的一级残渣经水洗去除氯盐,得到二级残渣经预处理后复配一种或者多种大宗固废,通过调节钙硅比进行高值化用于建材。本发明具有处理效率高、成本和能耗低、工艺流程短、可操作性强和附加值高的特点,可以实现固废和飞灰的资源化利用。
Solid waste and waste incineration fly ash treatment method
The invention discloses a solid waste and waste incineration fly ash treatment method, and belongs to the technical field of waste incineration fly ash treatment. According to the method, the waste incineration fly ash is compounded with alkaline solid waste, an alkaline compound in the alkaline solid waste is used as a dechlorination active medium, dioxin in the fly ash is degraded through low-temperature pyrolysis, obtained first-stage residues are washed to remove chlorine salt, obtained second-stage residues are pretreated and then compounded with one or more bulk solid waste, and the solid waste is recycled. And the calcium-silicon ratio is adjusted for high-valued application to building materials. The method provided by the invention has the characteristics of high treatment efficiency, low cost and energy consumption, short process flow, strong operability and high added value, and can realize resource utilization of solid waste and fly ash.
本发明公开了一种固废协同垃圾焚烧飞灰处理方法,属于垃圾焚烧飞灰处理技术领域。本发明将垃圾焚烧飞灰复配碱性固废,利用碱性固废中的碱性化合物作为脱氯活性介质,经低温热解降解飞灰中的二噁英,得到的一级残渣经水洗去除氯盐,得到二级残渣经预处理后复配一种或者多种大宗固废,通过调节钙硅比进行高值化用于建材。本发明具有处理效率高、成本和能耗低、工艺流程短、可操作性强和附加值高的特点,可以实现固废和飞灰的资源化利用。
Solid waste and waste incineration fly ash treatment method
一种固废协同垃圾焚烧飞灰处理方法
CHO SE-JIN (author) / HU LIHUA (author) / XIAO CHENGBIN (author) / XU PENGCHENG (author) / MIYAOMI (author)
2023-12-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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