Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Waste incineration fly ash all-solid-waste solidifying and stabilizing material and solidifying method thereof
The invention provides a waste incineration fly ash all-solid-waste solidifying and stabilizing material and a solidifying method thereof, and belongs to the technical field of industrial waste recycling and hazardous waste treatment environmental protection. The material is prepared from, by mass, 15%-40% of slag, 20%-45% of steel slag, 5%-15% of desulfurized ash and 15%-40% of calcium phosphateslag. The raw materials all come from industrial waste residues, the desulfurized ash and the calcium phosphate slag belong to waste residues difficult to treat, and the comprehensive utilization rateis low. The solidifying and stabilizing material can solidify and stabilize heavy metals in fly ash through hydration products of a gelatinization system and phosphate in calcium phosphate residues,the strength of a solidified body is high, toxicity dissolution of the heavy metals is far lower than an emission threshold value specified by national environmental protection, waste is treated withwaste, and harmless treatment of waste incineration fly ash and resource utilization of industrial waste residues are achieved.
本发明提供一种垃圾焚烧飞灰全固废固化稳定化材料及其固化方法，属于工业废弃物资源化及危险废弃物治理环保技术领域。该材料按照质量百分比计包括矿渣15％～40％，钢渣20％～45％，脱硫灰5％～15％，磷酸钙渣15％～40％，原料均来自于工业废渣，脱硫灰和磷酸钙渣属于难处理废渣，综合利用率低。该固化稳定化材料可由胶凝体系的水化产物及磷酸钙渣中磷酸盐来固化稳定化飞灰中重金属，固化体强度高，且重金属毒性溶出远低于国家环保规定排放阈值，达到以废治废，实现了垃圾焚烧飞灰的无害化处理和工业废渣的资源化利用。
Waste incineration fly ash all-solid-waste solidifying and stabilizing material and solidifying method thereof
The invention provides a waste incineration fly ash all-solid-waste solidifying and stabilizing material and a solidifying method thereof, and belongs to the technical field of industrial waste recycling and hazardous waste treatment environmental protection. The material is prepared from, by mass, 15%-40% of slag, 20%-45% of steel slag, 5%-15% of desulfurized ash and 15%-40% of calcium phosphateslag. The raw materials all come from industrial waste residues, the desulfurized ash and the calcium phosphate slag belong to waste residues difficult to treat, and the comprehensive utilization rateis low. The solidifying and stabilizing material can solidify and stabilize heavy metals in fly ash through hydration products of a gelatinization system and phosphate in calcium phosphate residues,the strength of a solidified body is high, toxicity dissolution of the heavy metals is far lower than an emission threshold value specified by national environmental protection, waste is treated withwaste, and harmless treatment of waste incineration fly ash and resource utilization of industrial waste residues are achieved.
本发明提供一种垃圾焚烧飞灰全固废固化稳定化材料及其固化方法，属于工业废弃物资源化及危险废弃物治理环保技术领域。该材料按照质量百分比计包括矿渣15％～40％，钢渣20％～45％，脱硫灰5％～15％，磷酸钙渣15％～40％，原料均来自于工业废渣，脱硫灰和磷酸钙渣属于难处理废渣，综合利用率低。该固化稳定化材料可由胶凝体系的水化产物及磷酸钙渣中磷酸盐来固化稳定化飞灰中重金属，固化体强度高，且重金属毒性溶出远低于国家环保规定排放阈值，达到以废治废，实现了垃圾焚烧飞灰的无害化处理和工业废渣的资源化利用。
Waste incineration fly ash all-solid-waste solidifying and stabilizing material and solidifying method thereof
垃圾焚烧飞灰全固废固化稳定化材料及其固化方法
FU PINGFENG (Autor:in) / NI WEN (Autor:in) / HU WENTAO (Autor:in) / FANG GUIWEN (Autor:in) / XU WEIHANG (Autor:in)
04.09.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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