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Phosphoaluminate cementing material for hazardous waste solidification, preparation method and application thereof, and hazardous waste utilization mortar
The invention discloses a phosphoaluminate cementing material for hazardous waste solidification, a preparation method and application thereof, and hazardous waste utilization mortar. The phosphoaluminate cementing material for curing the hazardous waste comprises a phosphoaluminate cementing material, bentonite, a heavy metal chelating agent and activated carbon, and the weight ratio of the phosphoaluminate cementing material to the bentonite to the heavy metal chelating agent to the activated carbon is (60-100): (10-40): (0-5): (1-10); wherein the phosphoaluminate cementing material is formed by calcining a wet raw material, and powdery materials in the wet raw material comprise limestone, bauxite and apatite; the phosphoaluminate cementing material for hazardous waste solidification has the capability of adsorbing heavy metal ions in a solution, can be used for solidifying heavy metals in hazardous waste materials such as fly ash, effectively eliminates pollution generated by hazardous waste disposal, and realizes harmless, reduction and resourceful treatment of hazardous wastes.
本发明公开了一种危废固化用磷铝酸盐胶凝材料及其制备方法和应用以及危废利用砂浆；该危废固化用磷铝酸盐胶凝材料，包含：磷铝酸盐胶凝材料、膨润土、重金属螯合剂、活性炭，所述磷铝酸盐胶凝材料、膨润土、重金属螯合剂、活性炭的重量比为60‑100：10‑40：0‑5：1‑10；其中，所述磷铝酸盐胶凝材料由湿生料煅烧而成，所述湿生料中的粉状料包含：石灰石、铝矾土、磷灰石；该危废固化用磷铝酸盐胶凝材料具有吸附溶液中重金属离子的能力，可用于固化飞灰等危废材料中的重金属，有效消除危险废物处置产生的污染，实现危废物的无害化、减量化和资源化处理。
Phosphoaluminate cementing material for hazardous waste solidification, preparation method and application thereof, and hazardous waste utilization mortar
The invention discloses a phosphoaluminate cementing material for hazardous waste solidification, a preparation method and application thereof, and hazardous waste utilization mortar. The phosphoaluminate cementing material for curing the hazardous waste comprises a phosphoaluminate cementing material, bentonite, a heavy metal chelating agent and activated carbon, and the weight ratio of the phosphoaluminate cementing material to the bentonite to the heavy metal chelating agent to the activated carbon is (60-100): (10-40): (0-5): (1-10); wherein the phosphoaluminate cementing material is formed by calcining a wet raw material, and powdery materials in the wet raw material comprise limestone, bauxite and apatite; the phosphoaluminate cementing material for hazardous waste solidification has the capability of adsorbing heavy metal ions in a solution, can be used for solidifying heavy metals in hazardous waste materials such as fly ash, effectively eliminates pollution generated by hazardous waste disposal, and realizes harmless, reduction and resourceful treatment of hazardous wastes.
本发明公开了一种危废固化用磷铝酸盐胶凝材料及其制备方法和应用以及危废利用砂浆；该危废固化用磷铝酸盐胶凝材料，包含：磷铝酸盐胶凝材料、膨润土、重金属螯合剂、活性炭，所述磷铝酸盐胶凝材料、膨润土、重金属螯合剂、活性炭的重量比为60‑100：10‑40：0‑5：1‑10；其中，所述磷铝酸盐胶凝材料由湿生料煅烧而成，所述湿生料中的粉状料包含：石灰石、铝矾土、磷灰石；该危废固化用磷铝酸盐胶凝材料具有吸附溶液中重金属离子的能力，可用于固化飞灰等危废材料中的重金属，有效消除危险废物处置产生的污染，实现危废物的无害化、减量化和资源化处理。
Phosphoaluminate cementing material for hazardous waste solidification, preparation method and application thereof, and hazardous waste utilization mortar
危废固化用磷铝酸盐胶凝材料及其制备方法和应用以及危废利用砂浆
YUN JINJIN (author) / XIAO HUILI (author) / XUAN HONGZHONG (author) / XU WENXIANG (author) / WANG YIJIAN (author) / HUANG SHIWEI (author) / YE SHUFENG (author) / SHEN JIANGPING (author) / ZHANG YA'NAN (author) / SHEN XIAOTIAN (author)
2023-05-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Cementing Reactions in the Hazardous Waste Environment
| NTIS | 1984
Hazardous waste carbonization/solidification treatment technique
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Preparation method of phosphoaluminate cement clinker and phosphoaluminate cement clinker
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