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Title: System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent

Abstract

A system and process are disclosed for selective removal and recovery of H.sub.2S from a gaseous volume, e.g., from natural gas. Anhydrous organic, sorbents chemically capture H.sub.2S gas to form hydrosulfide salts. Regeneration of the capture solvent involves addition of an anti-solvent that releases the captured H.sub.2S gas from the capture sorbent. The capture sorbent and anti-solvent are reactivated for reuse, e.g., by simple distillation.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1124999
Patent Number(s):
8652237
Application Number:
12/972,125
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Patent
Resource Relation:
Patent File Date: 2010 Dec 17
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Heldenbrant, David J, Koech, Phillip K, Rainbolt, James E, Bearden, Mark D, and Zheng, Feng. System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent. United States: N. p., 2014. Web.
Heldenbrant, David J, Koech, Phillip K, Rainbolt, James E, Bearden, Mark D, & Zheng, Feng. System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent. United States.
Heldenbrant, David J, Koech, Phillip K, Rainbolt, James E, Bearden, Mark D, and Zheng, Feng. Tue . "System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent". United States. https://www.osti.gov/servlets/purl/1124999.
@article{osti_1124999,
title = {System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent},
author = {Heldenbrant, David J and Koech, Phillip K and Rainbolt, James E and Bearden, Mark D and Zheng, Feng},
abstractNote = {A system and process are disclosed for selective removal and recovery of H.sub.2S from a gaseous volume, e.g., from natural gas. Anhydrous organic, sorbents chemically capture H.sub.2S gas to form hydrosulfide salts. Regeneration of the capture solvent involves addition of an anti-solvent that releases the captured H.sub.2S gas from the capture sorbent. The capture sorbent and anti-solvent are reactivated for reuse, e.g., by simple distillation.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {2}
}

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Works referenced in this record:

One-component, switchable ionic liquids derived from siloxylated amines
journal, January 2009


Single component, reversible ionic liquids for energy applications
journal, June 2010


The reaction of trimethylamine in liquid hydrogen sulphide: an electrical conductivity study
journal, June 1983


A reversible zwitterionic SO2-binding organic liquid
journal, January 2010


Organic liquid CO2 capture agents with high gravimetric CO2 capacity
journal, January 2008


Reversible Uptake of COS, CS2, and SO2: Ionic Liquids with O-Alkylxanthate, O-Alkylthiocarbonyl, and O-Alkylsulfite Anions
journal, August 2009


Green chemistry: Reversible nonpolar-to-polar solvent
journal, August 2005


Solubility of Methane in Methyldiethanolamine
journal, July 2006


IR spectra of H2S isolated in free-standing crystals of Kr and Xe
journal, August 1998


Reactions of carbon dioxide and hydrogen sulfide with some alkanolamines
journal, January 1987


Strong Hydrogen Bonds. III. Hydrogen Sulfide-Hydrosulfide Anion Interactions
journal, December 1966


Switchable Solvents Consisting of Amidine/Alcohol or Guanidine/Alcohol Mixtures
journal, February 2008


Selective H2S Removal by Nonaqueous Methyldiethanolamine Solutions in an Experimental Apparatus
journal, June 2002