Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Patent
1991-04-23
1992-02-04
Langel, Wayne A.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
422111, 422168, 423228, 423229, 423DIG5, 423DIG6, C01B 1716, C01B 3120
Patent
active
050858394
ABSTRACT:
An improved acid gas recovery system is provided which has particular application in reducing the incidence of sulfide and other acid gas excursions. The present invention addresses the disadvantages of prior absorption techniques by closely monitoring and maintaining a reaction zone temperature profile within a contactor to improve and control the reaction between acid gas components and the aqueous amine absorbent. The temperature profile is maintained by frequently adjusting relative flow rates of the feed gas and lean amine in the process which in turn reduces the incidence of excursions.
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patent: 4561864 (1985-12-01), Klass et al.
patent: 4798910 (1989-06-01), Herrin
"Hydrocarbon Treating" published by the Gas Processor Suppliers Association, Section 21, Book vol. II, 10th Ed. 1987.
"New Correlations Enhance Value of Monoethanolamine Process" published by The Oil and Gas Journal, vol. 64, No. 43, 10/24/66.
Celaya Phillip
McCune Brent A.
Scott David E.
Wellborn Tom A.
Langel Wayne A.
Lyondell Petrochemical Company
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