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Title: Regeneration of an aqueous solution from an acid gas absorption process by matrix stripping

Abstract

Carbon dioxide and other acid gases are removed from gaseous streams using aqueous absorption and stripping processes. By replacing the conventional stripper used to regenerate the aqueous solvent and capture the acid gas with a matrix stripping configuration, less energy is consumed. The matrix stripping configuration uses two or more reboiled strippers at different pressures. The rich feed from the absorption equipment is split among the strippers, and partially regenerated solvent from the highest pressure stripper flows to the middle of sequentially lower pressure strippers in a "matrix" pattern. By selecting certain parameters of the matrix stripping configuration such that the total energy required by the strippers to achieve a desired percentage of acid gas removal from the gaseous stream is minimized, further energy savings can be realized.

Inventors:
 [1];  [2]
  1. Austin, TX
  2. Katy, TX
Publication Date:
Research Org.:
Board of Regents, The University of Texas System (Austin, TX)
Sponsoring Org.:
USDOE
OSTI Identifier:
1016547
Patent Number(s):
7,901,488
Application Number:
US Patent Application 11/865,853
Assignee:
Board of Regents, The University of Texas System (Austin, TX) NETL
DOE Contract Number:  
FC26-02NT41440
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Rochelle, Gary T, and Oyenekan, Babatunde A. Regeneration of an aqueous solution from an acid gas absorption process by matrix stripping. United States: N. p., 2011. Web.
Rochelle, Gary T, & Oyenekan, Babatunde A. Regeneration of an aqueous solution from an acid gas absorption process by matrix stripping. United States.
Rochelle, Gary T, and Oyenekan, Babatunde A. Tue . "Regeneration of an aqueous solution from an acid gas absorption process by matrix stripping". United States. https://www.osti.gov/servlets/purl/1016547.
@article{osti_1016547,
title = {Regeneration of an aqueous solution from an acid gas absorption process by matrix stripping},
author = {Rochelle, Gary T and Oyenekan, Babatunde A},
abstractNote = {Carbon dioxide and other acid gases are removed from gaseous streams using aqueous absorption and stripping processes. By replacing the conventional stripper used to regenerate the aqueous solvent and capture the acid gas with a matrix stripping configuration, less energy is consumed. The matrix stripping configuration uses two or more reboiled strippers at different pressures. The rich feed from the absorption equipment is split among the strippers, and partially regenerated solvent from the highest pressure stripper flows to the middle of sequentially lower pressure strippers in a "matrix" pattern. By selecting certain parameters of the matrix stripping configuration such that the total energy required by the strippers to achieve a desired percentage of acid gas removal from the gaseous stream is minimized, further energy savings can be realized.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Mar 08 00:00:00 EST 2011},
month = {Tue Mar 08 00:00:00 EST 2011}
}

Patent:

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