B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/360
B01D 53/34 (2006.01) C07C 7/11 (2006.01) C10K 1/08 (2006.01) C10K 1/16 (2006.01)
Patent
CA 1099900
ABSTRACT OF THE DISCLOSURE A process for regenerating a hydrocarbon laden, water-miscible high-boiling organic solvent obtained by scrub- bing a hydrocarbon-containing gas with a water-miscible high- boiling organic solvent at normal temperature and superatmos- pheric pressure. This process which allows the solvent which is laden with the scrubbed off impureties, to be completely regenerated and recycled, comprises the following steps: a) the hydrocarbon laden,water-miscible high-boiling organic solvent to be regenerated is stripped with a stripping gas in a regenerating zone whereby a mixture of volatile hydrocarbons containing gases and vapors is obtained, leaving behind the regenerated high-boiling organic solvent which however contains a part of non-removed hydrocarbons; b) the mixture of gases and vapors is condensed to obtain a condensate containing liquid hydrocarbons and water; c) a partial stream of the regenerated solvent left behind in step a), which still con- tains a part of non-removed hydrocarbons, is contacted with the condensate of step b) to obtain a hydrocarbon rich phase and an aqueous phase containing the solvent; d) the aqueous phase is separated from the hydrocarbon rich phase and subse- quently recycled to the regenerating zone; and e) at least a portion of the hydrocarbon rich phase is withdrawn.
291728
Doerges Alexander
Kriebel Manfred
Schlauer Johann
Metallgesellschaft Aktiengesellschaft
Robic Robic & Associes/associates
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