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Graphite-doped conductive microfiltration support body and preparation method thereof
The invention discloses a graphite-doped conductive microfiltration support and a preparation method thereof, and relates to the technical field of ceramic membranes, the graphite-doped conductive microfiltration support comprises 100 parts of alumina powder, 5-10 parts of a sintering aid, 5-10 parts of washed kaolin, 5-10 parts of conductive powder, 5-20 parts of tap water, and 3-6 parts of oleic acid, the granularity of the alumina powder is 3-90 [mu] m, and the granularity distribution (D90-D10)/D50 is 0.8-1.4. The conductive powder is a mixture formed by sintering graphite powder and light magnesium oxide powder at high temperature. The conductive microfiltration supporting body is simple and convenient in preparation process and low in cost, various precious metal salt solutions are not used for sol treatment, low-price graphite is used for carrying out modified conductive treatment on the supporting body, fine requirements are carried out on the particle size of aluminum oxide powder, the particle size distribution (D90-D10)/D50 is required to be 0.8-1.4, the porosity is guaranteed, and the conductivity of the supporting body is improved. The microfiltration support body with high flux and high selectivity is obtained.
本发明公开了一种掺杂石墨的导电微滤支撑体及其制备方法，涉及陶瓷膜技术领域，氧化铝粉体100份，烧结助剂5‑10份，水洗高岭土5‑10份，导电粉体5‑10份，自来水5‑20份，油酸3‑6份，氧化铝粉体的粒度为3‑90μm，粒度分布(D90‑D10)/D50＝0.8‑1.4，导电粉体为石墨粉和轻质氧化镁粉末经高温烧结的混合物。本发明的导电微滤支撑体的制备工艺简便，成本低廉，不使用各种贵金属盐溶液进行溶胶处理，使用价格低廉的石墨对支撑体进行改性导电处理，本发明对氧化铝粉体粒度进行细致要求，要求粒度分布(D90‑D10)/D50＝0.8‑1.4，保证了孔隙率，得到高通量、高选择性能的微滤支撑体。
Graphite-doped conductive microfiltration support body and preparation method thereof
The invention discloses a graphite-doped conductive microfiltration support and a preparation method thereof, and relates to the technical field of ceramic membranes, the graphite-doped conductive microfiltration support comprises 100 parts of alumina powder, 5-10 parts of a sintering aid, 5-10 parts of washed kaolin, 5-10 parts of conductive powder, 5-20 parts of tap water, and 3-6 parts of oleic acid, the granularity of the alumina powder is 3-90 [mu] m, and the granularity distribution (D90-D10)/D50 is 0.8-1.4. The conductive powder is a mixture formed by sintering graphite powder and light magnesium oxide powder at high temperature. The conductive microfiltration supporting body is simple and convenient in preparation process and low in cost, various precious metal salt solutions are not used for sol treatment, low-price graphite is used for carrying out modified conductive treatment on the supporting body, fine requirements are carried out on the particle size of aluminum oxide powder, the particle size distribution (D90-D10)/D50 is required to be 0.8-1.4, the porosity is guaranteed, and the conductivity of the supporting body is improved. The microfiltration support body with high flux and high selectivity is obtained.
本发明公开了一种掺杂石墨的导电微滤支撑体及其制备方法，涉及陶瓷膜技术领域，氧化铝粉体100份，烧结助剂5‑10份，水洗高岭土5‑10份，导电粉体5‑10份，自来水5‑20份，油酸3‑6份，氧化铝粉体的粒度为3‑90μm，粒度分布(D90‑D10)/D50＝0.8‑1.4，导电粉体为石墨粉和轻质氧化镁粉末经高温烧结的混合物。本发明的导电微滤支撑体的制备工艺简便，成本低廉，不使用各种贵金属盐溶液进行溶胶处理，使用价格低廉的石墨对支撑体进行改性导电处理，本发明对氧化铝粉体粒度进行细致要求，要求粒度分布(D90‑D10)/D50＝0.8‑1.4，保证了孔隙率，得到高通量、高选择性能的微滤支撑体。
Graphite-doped conductive microfiltration support body and preparation method thereof
一种掺杂石墨的导电微滤支撑体及其制备方法
HUANG FEI (author) / YU LIANG (author) / DING BAISUO (author) / YUAN MING (author) / YU QINGHAI (author) / WANG YU (author)
2024-04-09
Patent
Electronic Resource
Chinese
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