IMPROVED SULFUR RECOVERY PROCESS FOR TREATING LOW TO MEDIUM MOLE PERCENT HYDROGEN SULFIDE GAS FEEDS WITH BTEX IN A CLAUS UNIT

IMPROVED SULFUR RECOVERY PROCESS FOR TREATING LOW TO MEDIUM MOLE PERCENT HYDROGEN SULFIDE GAS FEEDS WITH BTEX IN A CLAUS UNIT

An enrichment apparatus and process for enriching a hydrogen sulfide concentration in an acid gas stream to create a hydrogen sulfide rich stream for feed to a Claus unit. The process comprises: (a) separating an acid gas stream to create a hydrocarbon rich stream and a purified acid gas stream; (b)...

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Hauptverfasser: KHAWAJAH, Anwar H, DUVAL, Sebastien A, TAMMANA, Veera V.R, VAIDYA, Milind M, BALLAGUET, Jean-Pierre R, HARALE, Aadesh
Format: Patent
Sprache:eng ; fre ; ger
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator KHAWAJAH, Anwar H
DUVAL, Sebastien A
TAMMANA, Veera V.R
VAIDYA, Milind M
BALLAGUET, Jean-Pierre R
HARALE, Aadesh
description An enrichment apparatus and process for enriching a hydrogen sulfide concentration in an acid gas stream to create a hydrogen sulfide rich stream for feed to a Claus unit. The process comprises: (a) separating an acid gas stream to create a hydrocarbon rich stream and a purified acid gas stream; (b) separating the purified acid gas stream to form (i) a carbon dioxide rich stream and a carbon dioxide lean stream having a concentration of hydrogen sulfide, or (ii) a hydrogen sulfide lean stream and a hydrogen sulfide rich stream having a concentration of hydrogen sulfide, subsequently separating the hydrogen sulfide rich stream to form a carbon dioxide retentate and an enriched hydrogen sulfide stream; and (c) feeding (i) the carbon dioxide lean stream or (ii) enriched hydrogen sulfide stream to the furnace of the Claus unit and (d) feeding the (i) carbon dioxide rich stream or (ii) carbon dioxide retentate to the catalytic converters of the catalytic stage of the Claus unit.
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title IMPROVED SULFUR RECOVERY PROCESS FOR TREATING LOW TO MEDIUM MOLE PERCENT HYDROGEN SULFIDE GAS FEEDS WITH BTEX IN A CLAUS UNIT
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