CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE
The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. A rigorous thermodynamic model has been developed with a stand-alone FORTRAN code to represent the CO{sub 2} vapor pressure and speciation of the new solvent. Parameters have been developed for use of the electrolyte NRTL model in AspenPlus. Analytical methods have been developed using gas chromatography and ion chromatography. The heat exchangers for the pilot plant have been ordered.
- Research Organization:
- The University of Texas at Austin (US)
- Sponsoring Organization:
- (US)
- DOE Contract Number:
- FC26-02NT41440
- OSTI ID:
- 821854
- Resource Relation:
- Other Information: PBD: 1 Apr 2003
- Country of Publication:
- United States
- Language:
- English
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