Self-supporting structures containing immobilized inorganic...

Details Self-supporting structures containing immobilized inorganic... Self-supporting structures containing immobilized inorganic...

B - Operations, Transporting

01

J

252/31

B01J 20/30 (2006.01) B01D 39/14 (2006.01) B01J 20/28 (2006.01)

Patent

CA 1257859

Abstract: A self-supporting structure comprising an inor- ganic sorbent and method for preparing is described in which the self-supporting structure is substan- tially free of sorbent fines and the sorption char- acteristics of the sorbent particles is retained. The process for immobilizing the sorbent particles in the self-supporting structure comprises the steps of: (a) preheating inorganic sorbent particles to an elevated temperature; (b) mixing the sorbent particles with particles of a polymeric binding material to form a mixture comprising the particles of polymeric binding mater- ial adhered to the sorbent particles; and (c) heating the mixture to about the solid- liquid transition temperature of the polymeric bind- ing material with or without pressure to form a structure which upon cooling is self supporting.

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