Ceramic membrane, also known as a ceramic filter membrane, is a precision ceramic filter material with a multi-cavity structure that is made of powders such as white corundum powder (Al2O3), zirconia (ZrO2), and titanium oxide (TiO2) after high-temperature sintering. The ceramic membrane has excellent characteristics such as good chemical stability, acid and alkali resistance, high mechanical strength, high-temperature resistance, and high separation rate. It has been widely used in many fields such as the food industry, environmental engineering, biological engineering, petrochemical industry, and metallurgy.
Generally, the alumina ceramic membrane contains a three-layer structure.
- Multi-vacancy support layer
- Transition layer
- Microporous membrane layer
White corundum powder (fused alumina powder) is the raw material for the ceramic membrane support material and the membrane material. The sizes of white corundum powder always go 28 microns, 20 microns, 14 microns, and 10 microns.
First of all, fused alumina powder has good chemical stability, acid, and alkali corrosion resistance, and is insoluble in organic solvents.
Secondly, White corundum powder has good high-temperature resistance (the melting point of fused alumina is 2250℃). It meets the requirements of high-temperature disinfection and sterilization for tubular ceramic membranes and flat ceramic membranes.
Third, White corundum powder produced by Haixu Abrasives has the advantages of concentrated particle size and high particle accuracy and is suitable for use as a raw material for ceramic ultrafiltration membranes with high separation accuracy.
Zhengzhou Haixu Abrasives Co., Ltd., a white corundum powder manufacturer produces 800 tons of corundum powder per month. It has cooperated with many domestic functional ceramic research institutions and supplied many plate ceramic membrane and tubular ceramic membrane manufacturers. In the future, the industry will usher in broad development prospects.
