Process for scavenging hydrogen sulfide from hydrocarbon gases

Details Process for scavenging hydrogen sulfide from hydrocarbon gases Process for scavenging hydrogen sulfide from hydrocarbon gases

1979-05-31

1981-01-20

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423231, 423562, 423573G, 423632, B01D 5334

Patent

active

042462444

ABSTRACT:
A process for scavenging hydrogen sulfide from hydrocarbon gases utilizes iron oxide particles of unique chemical and physical properties. These particles have large surface area, and are comprised substantially of amorphous Fe.sub.2 O.sub.3 containing a crystalline phase of Fe.sub.2 O.sub.3, Fe.sub.3 O.sub.4 and combinations thereof. In scavenging hydrogen sulfide, the iron oxide particles are suspended in a liquid which enters into intimate mixing contact with hydrocarbon gases; the hydrogen sulfide is reacted at an exceptional rate and only acid-stable reaction products are formed. Thereafter, the sweetened hydrocarbon gases are collected.

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patent: 4008775 (1977-02-01), Fox
patent: 4025604 (1977-05-01), Moriguchi et al.
Milbourne, "The Removal of Hydrogen Solfide from Gas by Means of Iron Oxide With Special Reference to Humidity Conditions", John Hopkins University, 1930, pp. 9 & 10. _

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