Process for pseudohydrostatic feeding of solids into a reactor

Details Process for pseudohydrostatic feeding of solids into a reactor Process for pseudohydrostatic feeding of solids into a reactor

1977-05-26

1978-06-13

Bashore, S. Leon

Gas: heating and illuminating

Processes

Coal

48DIG3, 48DIG4, 201 35, 302 53, 302 66, C10J 346

Patent

active

040946517

ABSTRACT:
A method for continuously reacting particulate solids with gases and/or vapors at elevated pressures by feeding the particulate solids into a reaction zone under the pseudohydrostatic pressure generated by very tall fluidized columns of particulate solids, with the descent velocity of the solids and gas in the columns being greater than the ascent velocity of the gas. Fluidizing gas is preferably used at selected points in the column in order to avoid a harmful compaction of the particulate solids.

REFERENCES:
patent: 1559810 (1925-11-01), Trent
patent: 2042428 (1936-05-01), Krekeler
patent: 2304827 (1942-12-01), Jewell
patent: 2311564 (1943-02-01), Munday
patent: 2925928 (1960-02-01), Martin
patent: 3105736 (1963-10-01), Groves
"Pneumatic Feeder for Finely Divided Solids" Albright et al., reprinted from Chem. Engr. Jun. 1949.
"Pressure Feeder for Powdered Coal or Other Finely Divided Solids" Barker et al., Industrial and Engr. Chem. May, 1951, pp. 1204-1209.

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