Main > SEPARATION > Membrane Sepn. > InOrganic Membranes > Ceramic Membranes > Co.: France.R > Patent > Claims > Claim 1: InOrganic NanoFiltration > Membrane Comprising in Seq.: 1) > MultiChannel Ceramic Support > Mixt. of Al2O3 & TiO2 Pore Diam. = > 1-20 .mu.m; 2) MicroFiltration Memb > rane at Surface of Channels of > Metal Oxide Sintered Particles; > Pore Diam.=0.05-1.5 .mu.m; 3) > UltraFiltration Membrane Sepn Layer > & 4) NanoFiltration Membrane Sepn. > Layer. Cutoff Threshold = > 100-2000 daltons. Claim 2: Support > Porosity > 30%. Claim 3: Support is > Ceramic of Al2O3 Grains Coated > with TiO2 Grains. %TiO2=1-75% > Claim 4: MicroFiltration Membrane: > Alumina, Zirconia or Titanium Oxide > Claims 5,6 UltraFiltration Membrane > Titanium Oxide or Zirconia resp. > Cutoff Threshold = 10 and 300 kD. > Claim 7: NanoFiltration Membrane: > Zirconia. Claim 8: Prepn.: > Sol-Gel Process. Claim 10: > Treatment of Saline Effluents from > ReGeneration of Ion-Exchange Resins > Used in Refining of Cane Sugar: > Filter Effluent with Membrane > (Claim 1). Patent Assignee




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