Purification of fuel gases

Details Purification of fuel gases Purification of fuel gases

1979-12-11

1983-02-15

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423237, 423351, 423244, B01D 5336

Patent

active

043741053

ABSTRACT:
A process for substantial removal of nitrogen and sulfur compounds from gas streams, particularly fuel gas mixtures produced from sulfur and nitrogen containing coal or other carbonaceous fuels, by contacting the gas stream with solid zinc oxide at elevated temperatures in a reaction zone. The process provides a continuous method of removal of ammonia and hydrogen sulfide by contacting the gas stream with zinc oxide solids and regenerating the sulfided zinc in a fluidized bed regeneration zone by contact with oxygen containing gas at elevated temperatures. The process provides simultaneous removal of sulfur and nitrogen components of a fuel gas stream without requiring a decrease in the temperature of the fuel gas stream.

REFERENCES:
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patent: 2551905 (1951-05-01), Robinson
patent: 2956861 (1960-10-01), Garlet
patent: 2988430 (1961-06-01), Horner
patent: 3674423 (1972-07-01), Klimisch
patent: 4003978 (1977-01-01), Shiraishi et al.
patent: 4041128 (1977-08-01), Bramer et al.
patent: 4128619 (1978-12-01), Robinson
patent: 4233275 (1980-01-01), Kimura et al.

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