POROUS CERAMIC MATERIAL, NAMELY, SINTERED OR NON-SINTERED METAL OXIDES AND NON-OXIDES FOR USE IN THE FILTRATION INDUSTRY AND THE CHROMATOGRAPHY INDUSTRY, NAMELY, TANGENTIAL FILTRATION, NAMELY MICROFILTRATION,ULTRAFILTRATION, NANOFILTRATION AND REVERSE OSMOSIS, FOR ANY LIQUID;POROUS CERAMIC MATERIAL, NAMELY SINTERED OR NON-SINTERED METAL OXIDES OR NON-OXIDES FOR USE IN THE FILTRATION INDUSTRY AND THE CHROMATOGRAPHY INDUSTRY, NAMELY FOR THE CHROMATOGRAPHIC SEPARATION OF ANY LIQUID