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Magnetic porous ceramic adsorbing material and preparation method and application thereof
The invention provides a magnetic porous ceramic adsorbing material as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing fly ash with auxiliary materials, and then stirring and mixing the mixture with a gel and a solvent to obtain fly ash slurry; (2) injecting the fly ash slurry obtained in the step (1) into a mold, and conducting standing, molding and drying to obtain a porous dry blank; (3) sintering the porous dry blank obtained in the step (2) to obtain a porous ceramic substrate; and (4) preparing magnetic nanoparticleson the porous ceramic substrate prepared in the step (3) to obtain the magnetic porous ceramic adsorbing material. The adsorbing material prepared by the preparation method has a hierarchical pore structure and a high specific surface area, and can be used for adsorption treatment of heavy metal ions in wastewater, and the preparation method is green and environment-friendly, easy to implement, controllable in production process and capable of realizing industrial utilization.
本发明提供一种磁性多孔陶瓷吸附材料及其制备方法和应用，所述制备方法包括以下步骤：(1)将粉煤灰与辅料混合，再与凝胶剂以及溶剂搅拌混合后得到粉煤灰浆料；(2)步骤(1)得到的粉煤灰浆料注入模具中，静置成型并干燥得到多孔干坯；(3)将步骤(2)得到的多孔干坯烧结，得到多孔陶瓷基底；(4)在步骤(3)制备得到的所述多孔陶瓷基底上制备磁性纳米粒子，得到所述磁性多孔陶瓷吸附材料。所述制备方法制备得到的吸附材料具有多级孔结构和高比表面积，可用于废水中重金属离子的吸附处理，所述制备方法绿色环保，易于实施，生产工艺可控，可实现工业化利用。
Magnetic porous ceramic adsorbing material and preparation method and application thereof
The invention provides a magnetic porous ceramic adsorbing material as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing fly ash with auxiliary materials, and then stirring and mixing the mixture with a gel and a solvent to obtain fly ash slurry; (2) injecting the fly ash slurry obtained in the step (1) into a mold, and conducting standing, molding and drying to obtain a porous dry blank; (3) sintering the porous dry blank obtained in the step (2) to obtain a porous ceramic substrate; and (4) preparing magnetic nanoparticleson the porous ceramic substrate prepared in the step (3) to obtain the magnetic porous ceramic adsorbing material. The adsorbing material prepared by the preparation method has a hierarchical pore structure and a high specific surface area, and can be used for adsorption treatment of heavy metal ions in wastewater, and the preparation method is green and environment-friendly, easy to implement, controllable in production process and capable of realizing industrial utilization.
本发明提供一种磁性多孔陶瓷吸附材料及其制备方法和应用，所述制备方法包括以下步骤：(1)将粉煤灰与辅料混合，再与凝胶剂以及溶剂搅拌混合后得到粉煤灰浆料；(2)步骤(1)得到的粉煤灰浆料注入模具中，静置成型并干燥得到多孔干坯；(3)将步骤(2)得到的多孔干坯烧结，得到多孔陶瓷基底；(4)在步骤(3)制备得到的所述多孔陶瓷基底上制备磁性纳米粒子，得到所述磁性多孔陶瓷吸附材料。所述制备方法制备得到的吸附材料具有多级孔结构和高比表面积，可用于废水中重金属离子的吸附处理，所述制备方法绿色环保，易于实施，生产工艺可控，可实现工业化利用。
Magnetic porous ceramic adsorbing material and preparation method and application thereof
一种磁性多孔陶瓷吸附材料及其制备方法和应用
LIU KAIQI (author) / ZHANG JIAYU (author) / SUN GUANGCHAO (author) / YAN MINGWEI (author)
2020-12-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
C02F
Behandlung von Wasser, Schmutzwasser, Abwasser oder von Abwasserschlamm
,
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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