AMINE TREATING PROCESS FOR SELECTIVE ACID GAS SEPARATION

A process for the selective separation of hydrogen sulfide from gas mixtures containing carbon dioxide as well as other acidic gases uses severely sterically hindered amino alcohol absorbents based on amino alcohols and ethers containing secondary nitrogen atoms hindered by an alpha tertiary carbon...

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Bibliographic Details
Main Authors THOMANN HANS, FEDICH ROBERT BASIL, SISKIN MICHAEL, KORTUNOV PAVEL
Format Patent
LanguageEnglish
Published 19.09.2013
Subjects
ADHESIVES
CHEMISTRY
COMPOUNDS THEREOF
DYES
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POLISHES
SEPARATION
TRANSPORTING
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Summary:A process for the selective separation of hydrogen sulfide from gas mixtures containing carbon dioxide as well as other acidic gases uses severely sterically hindered amino alcohol absorbents based on amino alcohols and ethers containing secondary nitrogen atoms hindered by an alpha tertiary carbon atom. Preferred absorbents include 2-(N-methylamino)-2-methylpropan-1-ol, (2-(N-ethylamino))-2-methylpropan-1-ol, (2-(N-isopropylamino)-2-methylpropan-1-ol, SBAE (2-(N-sec-butylamino)-2-methylpropan-1-ol) and (2-(N-t-butylamino)-2-methylpropan-1-ol.
Bibliography:Application Number: US201313793410