... low increase of differential pressure.The high alumina porous ceramic filter elements are distinguished by the high thermal shock ... and regenerated. 2:Physical Properties:High Alumina Micro Porous Ceramic Filter Elements UnitBulk Densityg/3cm1.4-1.6Pore sizeμm10 ... impurities of oil field recharge water. Filtering vapour,chlorine,oxygen,coke-oven gas, sulfur trioxide,nitrogen pentoxide,carbon dioxide, ...