GRANITE-BASED CERAMIC FILTERING MEMBRANE DOPED WITH GOLD MINE TAILINGS AND PREPARATION PROCESS AND APPLICATION THEREOF
The invention relates to a granite-based ceramic filtering membrane doped with gold mine tailings and a preparation process and application thereof, and belongs to the technical field of sewage purification and waste resource utilization, comprising the following processes: 1, pretreating granite wa...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention relates to a granite-based ceramic filtering membrane doped with gold mine tailings and a preparation process and application thereof, and belongs to the technical field of sewage purification and waste resource utilization, comprising the following processes: 1, pretreating granite waste residue and gold mine tailings; then weighing a certain amount of alumina, kaolin, granite waste residue and gold mine tailings, ball milling the above four substances into powder with anhydrous ethanol as a medium, and grinding the dried mixed powder; 2, put the dried powder into a mold and press it with a tablet press; 3, calcining the ceramic filter membrane powder blank obtained in step 2 in three stages, and finally cooling, and obtaining the ceramic filter membrane after cooling to room temperature. |
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