Abstract

the porous carbon solid (mean pore size 0.1μm ; porosity 32%) was prepared by pyrolysis of composite paste of phenolic resin/AC with a mass ratio (1/1) and a mean grain size of AC of 2.28 μm. The porous agent (starch and PVB) is then added to the paste at 5% and 9% respectively to maintain a pore size of 0.1 microns and maximum porosity. A layer of pure zeolite Na-A is deposited on the carbon support after an oxidation by nitric acid and a seeding of the surface with pre-synthesized Na-A zeolite crystals.

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