Fluidization aid

Details Fluidization aid Fluidization aid

1984-12-20

1986-05-27

Camby, John J.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

34 10, 208163, 502182, 502185, F27B 1500, F26B 308, C10G 3500, B01J 2300

Patent

active

045913340

ABSTRACT:
Tendrillar carbonaceous material is used as a fluidization aid for fluidized beds. The tendrillar carbonaceous material can be used to fluidize cohesive solids. 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/cm.sup.3 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.

REFERENCES:
patent: 2581118 (1952-01-01), Main
patent: 2824074 (1958-02-01), Sieg
patent: 3816609 (1974-06-01), Hamner
patent: 4225531 (1980-09-01), Jones et al.
"Cab-O-Sil.RTM. Coatings, Cabot Corporation.
Cab-O-Sil Properties and Functions, Cabot Corporation, 9/83.

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