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Coal gangue activating treatment method, prepared calcined coal gangue and application
The invention relates to the field of building materials, and particularly discloses a coal gangue activation treatment method, prepared calcined coal gangue and application, the treatment method comprises the following steps: pretreatment: crushing and screening coal gangue to obtain coal gangue particles; the coal gangue particles are treated in a eutectic solvent, ultrasonic-assisted treatment is carried out for 2-3 h, pretreated coal gangue is obtained after water washing, the eutectic solvent comprises an HBA component and an HBD component, the HBA component is a mixture of choline chloride and an amide compound, and the HBD component is a mixture of a carboxylic acid mixture and polyhydric alcohol; calcining: calcining the pretreated coal gangue at 400-450 DEG C to obtain calcined coal gangue, the invention also discloses the calcined coal gangue prepared by the method, and the method has the characteristic of realizing coal gangue activation treatment under lower energy consumption.
本申请涉及建筑材料领域,具体公开了一种煤矸石活化处理方法及制得的煅烧煤矸石和应用,处理方法包括以下步骤:前处理:将煤矸石进行破碎、筛分,得到煤矸石颗粒;预处理:将煤矸石颗粒在低共熔溶剂中处理,并以超声辅助处理2‑3h,水洗后得到预处理煤矸石,低共熔溶剂包括HBA成分和HBD成分,HBA成分选用氯化胆碱和酰胺类化合物的混合物,HBD成分选用羧酸类混合物和多元醇的混合物;煅烧:将预处理煤矸石在400‑450℃下煅烧,得到煅烧煤矸石,本申请还公开了采用上述方法制得的煅烧煤矸石,本申请具有在更低能耗下实现煤矸石活化处理的特点。
Coal gangue activating treatment method, prepared calcined coal gangue and application
The invention relates to the field of building materials, and particularly discloses a coal gangue activation treatment method, prepared calcined coal gangue and application, the treatment method comprises the following steps: pretreatment: crushing and screening coal gangue to obtain coal gangue particles; the coal gangue particles are treated in a eutectic solvent, ultrasonic-assisted treatment is carried out for 2-3 h, pretreated coal gangue is obtained after water washing, the eutectic solvent comprises an HBA component and an HBD component, the HBA component is a mixture of choline chloride and an amide compound, and the HBD component is a mixture of a carboxylic acid mixture and polyhydric alcohol; calcining: calcining the pretreated coal gangue at 400-450 DEG C to obtain calcined coal gangue, the invention also discloses the calcined coal gangue prepared by the method, and the method has the characteristic of realizing coal gangue activation treatment under lower energy consumption.
本申请涉及建筑材料领域,具体公开了一种煤矸石活化处理方法及制得的煅烧煤矸石和应用,处理方法包括以下步骤:前处理:将煤矸石进行破碎、筛分,得到煤矸石颗粒;预处理:将煤矸石颗粒在低共熔溶剂中处理,并以超声辅助处理2‑3h,水洗后得到预处理煤矸石,低共熔溶剂包括HBA成分和HBD成分,HBA成分选用氯化胆碱和酰胺类化合物的混合物,HBD成分选用羧酸类混合物和多元醇的混合物;煅烧:将预处理煤矸石在400‑450℃下煅烧,得到煅烧煤矸石,本申请还公开了采用上述方法制得的煅烧煤矸石,本申请具有在更低能耗下实现煤矸石活化处理的特点。
Coal gangue activating treatment method, prepared calcined coal gangue and application
一种煤矸石活化处理方法及制得的煅烧煤矸石和应用
LI XIAOGUANG (Autor:in) / LU SHAOFENG (Autor:in)
14.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Mechanism Discussion on Calcined Activate Coal Gangue
British Library Online Contents | 2005
|Identification and Activation of Coal Gangue and Performance of Limestone Calcined Gangue Cement
Springer Verlag | 2020
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