Refining process of hot gas containing hydrogen sulfide and ammo

Details Refining process of hot gas containing hydrogen sulfide and ammo Refining process of hot gas containing hydrogen sulfide and ammo

1978-06-05

1981-06-16

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423237, 423351, 423539, 423648R, B01D 5334

Patent

active

042737494

ABSTRACT:
A refining process of a hot gas such as coal gas containing hydrogen sulfide and ammonia comprises steps of contacting the hot gas with a first catalyst comprising iron oxide to remove hydrogen sulfide, and then contacting the hot gas with a second catalyst comprising reduced iron made by reducing iron oxide prior to introducing the hot gas into the catalyst to remove ammonia. The refining process further includes steps of temperature adjustment of the gas directing to the first and second catalyst and the removal of hydrogen sulfide remaining in the hot gas after the removal of the ammonia with a third catalyst comprising iron oxide.

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patent: 3822337 (1974-07-01), Wunderlich et al.
Jacobson, "Encyclopedia of Chemical Reactions", Reinhold Publishing Co., New York, vol. IV, 1951, p. 103.
U.S. patent application Ser. No. 771,911, filed Feb. 25, 1977.

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