Fluidization aid for cohesive materials

C - Chemistry – Metallurgy – 01 – B

Patent

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23/421, 252/51.C

C01B 31/02 (2006.01) B01J 8/24 (2006.01) C01F 7/02 (2006.01) C01G 49/02 (2006.01) C10M 113/06 (2006.01) C10M 125/04 (2006.01) D01F 9/127 (2006.01) F26B 3/088 (2006.01) F27B 15/00 (2006.01)

Patent

CA 1257246

ABSTRACT Tendrillar carbonaceous material is used as a fluidization aid for fluidized beds. The tendrillar carbonaceous material can be used to fluidize particulate solids that are cohesive materials. Further, it can be used to improve fluidization of particulate solids by reducing entrainment, eliminating bubbling, and/or eliminating channelling. The tendrillar carbonaceous material can be a fibrous, particulate carbonaceous material comprising carbon fibers and a ferrous group metal component dispersed throughout the carbon fibers as nodules. The tendrillar carbonaceous material has a bulk density of from about 0.04 to about 0.7 g/cm3 and comprises an agglomeration of tendrils having a diameter of from about 0.01 to about 1 micron and a length to diameter ratio of from about 5:1 to about 1000:1.

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