Granulation of pigments

Details Granulation of pigments Granulation of pigments

B - Operations, Transporting

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B01J 2/00 (2006.01) B01J 2/16 (2006.01) B01J 2/28 (2006.01) C09B 67/00 (2006.01) C09C 3/00 (2006.01)

Patent

CA 1122784

3-11386/MA 1714/+ Canada Granulation of Pigments Abstract of the Disclosure The present invention provides a process for producing a substanti- ally dry, low dusting, free-flowing granular pigment composition, comprising contacting a fluidised bed of pigment, a granulating assistant and water, and removing granules so obtained. Preferred methods include:- (1) Spraying the granulating assistant and water on to the fluidised bed of pigment; and (ii) Incorporating all or part of the granulating assistant into the pigment prior to fluidisation and spraying with water, or water and the remaining granulating assistant.

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