CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE | Zendy

Gary T. Rochelle | Zendy; Eric Chen | Zendy; Jenna Cullinane | Zendy; Marcus Hilliard | Zendy; Terraun Jones | Zendy

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CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

Author(s) -

Gary T. Rochelle,

Eric Chen,

Jenna Cullinane,

Marcus Hilliard,

Terraun Jones

Publication year - 2003

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/821854

Subject(s) - potassium carbonate , chemistry , alkanolamine , solvent , non random two liquid model , absorption (acoustics) , potassium , stripping (fiber) , electrolyte , aqueous solution , inorganic chemistry , chromatography , materials science , organic chemistry , activity coefficient , electrode , composite material

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

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