Granulation process

Details Granulation process Granulation process

B - Operations, Transporting

01

J

71/43, 167/4.8

B01J 20/04 (2006.01) A01N 25/12 (2006.01) C01F 11/46 (2006.01) C04B 18/02 (2006.01) C04B 20/10 (2006.01) C05G 3/00 (2006.01)

Patent

CA 1129668

ABSTRACT GRANULATION PROCESS Sorbent, calcium sulfate dihydrate-containing granules are produced by dispersing particulate calcium sulfate hemihydrate into a generally helical turbulent gas stream, contacting the dispersed hemihydrate particles with an aqueous binder in an amount sufficient to wet and agglomerate the particles and to initiate hydration of the hemihydrate to the corresponding dihydrate, and mechani- cally agitating the resulting dispersion so as to pack the wetted particles into granules while hydration takes place. Thereafter the produced granules are recovered from the gas stream and, if necessary, dried.

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