Gas: heating and illuminating – Processes – Fuel mixtures
Patent
1977-06-03
1979-06-05
Bashore, S. Leon
Gas: heating and illuminating
Processes
Fuel mixtures
34 10, 48202, 48DIG4, 134 25R, 201 12, 201 16, 201 31, 208 8R, 208 11R, 423659, 423DIG16, 432197, C10J 346, C10J 354, C10B 4922
Patent
active
041572459
ABSTRACT:
A process is disclosed for contacting at least two solids and a fluid, particularly for retorting and/or gasification of solid carbonaceous materials such as coal, coke, shale or tar sands by introducing a solid heat-transfer material into an upper portion of a treatment or contacting zone and a solid carbonaceous material into a lower portion of the treatment or contacting zone. The solid heat carrier is fluidized by an upflowing gas and moves downwardly, while the solid carbonaceous materials are entrained and move upwardly. The fluidizing gas may be inert or reactive. Substantially countercurrent plug flow of the two solids in the treatment or contacting zone is maintained by including means for preventing back mixing, such as a packing material filling the treatment or contacting zone.
REFERENCES:
patent: 2533026 (1950-12-01), Matheson
patent: 2557680 (1951-06-01), Odell
patent: 2631921 (1953-03-01), Odell
patent: 2673177 (1954-03-01), Buell
patent: 2701758 (1955-02-01), Danulat et al.
patent: 2868631 (1959-01-01), Woebcke
patent: 3853498 (1974-12-01), Bailie
Mitchell David S.
Sageman David R.
Bashore S. Leon
Chevron Research Company
Davies R. H.
Evans R. H.
Newell D. A.
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