A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Microporous mullite ceramic separation membrane support and preparation method thereof
The invention discloses a microporous mullite ceramic separation membrane support and a preparation method thereof. The preparation method comprises the following steps of firstly, uniformly mixing 40-97wt% of aluminum-silicon raw materials, 1-50wt% of aluminum oxide raw materials, 1-20wt% of cementing materials and an additive, then, additionally adding water, and stirring to prepare uniform slurry, wherein the weight percentage of the additive accounts for 0.05-5wt% of the sum of the weight percentages of the raw materials, and the weight percentage of water accounts for 20-100wt% of the sum of the weight percentages of the raw materials; pouring the slurry into a die, and standing in a room-temperature environment until solidifying and forming to obtain a blank body; and after demolding the blank body, drying and sintering to obtain the microporous mullite ceramic separation membrane support. Compared with the prior art, the microporous mullite ceramic separation membrane support has the following advantages of high porosity, high strength, small aperture, good permeability and application at high temperature. The raw materials are nontoxic and cheap; the process is simple and easy to control; products with complex shapes can be prepared; and the preparation method is suitable for industrial production. The physical and chemical indicators of the obtained microporous mullite ceramic separation membrane support are superior to the national standard.
Microporous mullite ceramic separation membrane support and preparation method thereof
The invention discloses a microporous mullite ceramic separation membrane support and a preparation method thereof. The preparation method comprises the following steps of firstly, uniformly mixing 40-97wt% of aluminum-silicon raw materials, 1-50wt% of aluminum oxide raw materials, 1-20wt% of cementing materials and an additive, then, additionally adding water, and stirring to prepare uniform slurry, wherein the weight percentage of the additive accounts for 0.05-5wt% of the sum of the weight percentages of the raw materials, and the weight percentage of water accounts for 20-100wt% of the sum of the weight percentages of the raw materials; pouring the slurry into a die, and standing in a room-temperature environment until solidifying and forming to obtain a blank body; and after demolding the blank body, drying and sintering to obtain the microporous mullite ceramic separation membrane support. Compared with the prior art, the microporous mullite ceramic separation membrane support has the following advantages of high porosity, high strength, small aperture, good permeability and application at high temperature. The raw materials are nontoxic and cheap; the process is simple and easy to control; products with complex shapes can be prepared; and the preparation method is suitable for industrial production. The physical and chemical indicators of the obtained microporous mullite ceramic separation membrane support are superior to the national standard.
Microporous mullite ceramic separation membrane support and preparation method thereof
GUO HUISHI (author) / YE FANGBAO (author) / LI WENFENG (author) / ZHANG WEIHUA (author) / SONG CONGCONG (author) / YE HANG (author) / GAO JIE (author)
2016-01-27
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
Preparation method of mullite porous microfiltration membrane support ceramic
| European Patent Office | 2023
High-strength polylight mullite microporous castable and preparation method thereof
| European Patent Office | 2024
Toughened mullite ceramic and preparation method thereof
| European Patent Office | 2024
Microporous low-thermal-conductivity composite mullite brick and preparation method thereof
| European Patent Office | 2024
Preparation method of mullite whisker-based ceramic fiber membrane
| European Patent Office | 2022