Apparatus for producing nitrate granules

Details Apparatus for producing nitrate granules Apparatus for producing nitrate granules

2003-11-24

2010-06-01

Johnson, Edward M (Department: 1793)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

C422S141000

Reexamination Certificate

active

07727485

ABSTRACT:
An apparatus for producing nitrate granules including a first fluidized bed which is supplied with air that has been conditioned to a relative humidity of less than 30% at 40° C. and heated to a temperature of 40° C. to 100° C. One or more spray nozzles are provided for spraying a nitrate melt into the first fluidized bed to form nitrate granules. The apparatus also includes a second fluidized bed which is in direct communication with the first fluidized bed. Nitrate granules formed in the first fluidized bed flow directly to the second fluidized bed where they are cooled to a temperature of less than 60° C. The nitrate granules produced by the apparatus and process of the invention are spherical in shape, hard and dry and do not break down easily during handling.

REFERENCES:
patent: 1 142 487 (2001-10-01), None
patent: WO-95/13865 (1995-05-01), None
patent: WO-01/43861 (2001-06-01), None
patent: WO-01/83374 (2001-11-01), None

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