Process for the preparation of granules and granules...

Details Process for the preparation of granules and granules... Process for the preparation of granules and granules...

B - Operations, Transporting

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23/374

B01J 2/00 (2006.01) B01J 2/04 (2006.01) B01J 2/16 (2006.01)

Patent

CA 1269514

A B S T R A C T Process for the preparation of granules from a liquid composition by spraying the liquid composition in a granulation zone onto or over solid particles, present in the granulation zone, that are being kept in motion, as a result of which layered growth of these particles takes place, withdrawing a particle stream from the granulation zone, dividing this stream into a stream of particles of the desired size, a stream of oversize particles and a stream of undersize particles, the stream of undersize particles being returned at least in part to the granulation zone and the stream of oversize particles being stored in a buffer vessel and subsequently being returned to the granulation zone at constant flow rate after size reduction in a size reduction device to a size desirable for use as nuclei.

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