Invention Grant
- Patent Title: Process for separating hydrogen sulfide from gaseous mixtures using a hybrid solvent mixture
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Application No.: US16490707Application Date: 2017-04-19
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Publication No.: US10933367B2Publication Date: 2021-03-02
- Inventor: John R. Dowdle , Christophe R. Laroche , Diego Ortiz Vega , Linda L. Pirtle
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- International Application: PCT/US2017/028311 WO 20170419
- International Announcement: WO2018/160206 WO 20180907
- Main IPC: B01D53/14
- IPC: B01D53/14 ; C10L3/10

Abstract:
Disclosed is a process for regenerating a hybrid solvent used to remove contaminants from a fluid stream and to provide an improved yield of purified fluid. Said process comprises at least one purification unit (12) and at least one regeneration unit (40) wherein condensed water (72) from the regeneration unit is combined with the regenerated lean hybrid solvent (55) prior to reuse in the purification unit and none of the condensed water is recycled into the regeneration unit.
Public/Granted literature
- US20200016528A1 PROCESS FOR SEPARATING HYDROGEN SULFIDE FROM GASEOUS MIXTURES USING A HYBRID SOLVENT MIXTURE Public/Granted day:2020-01-16
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