Stabilization of molecular sieves by salt addition

Details Stabilization of molecular sieves by salt addition Stabilization of molecular sieves by salt addition

C - Chemistry, Metallurgy

01

B

C01B 33/44 (2006.01) B01D 15/00 (2006.01) B01J 20/18 (2006.01) C01B 33/26 (2006.01) C01B 39/02 (2006.01) C01B 39/48 (2006.01)

Patent

CA 2365465

The low stability of some molecular sieves can be overcome during calcination by a solid state reaction between the molecular sieve and a salt. Molecular sieves including zeolites, metal substituted aluminosilicates, and metallosilicates can be stabilized by this method. The inventive process comprises mixing such molecular sieve with a salt, either directly or as a slurry; and then heating the resulting mixture to remove water, organics and adsorbed species.

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