Removal of CO2 greenhouse gas by ammonia scrubbing

Hsun-Ling Bai*, An Chin Yeh

*Corresponding author for this work

Research output: Contribution to journalArticle

278 Scopus citations

Abstract

This paper provides preliminary results on the novel study of ammonia scrubbing for the removal of carbon dioxide from flue gas. Experimental results indicated the potential of CO2 reduction by NH3 scrubbing is very promising. The overall CO2 removal efficiencies could be above 95% under proper operation conditions. The absorption capacity of NH3 was around 0.9 kg of CO2/ kg of NH3 reagent being used. This should be higher than that by a MEA solution. The reaction products were analyzed and determined by X-ray diffraction analysis, SEM picture, and pH measurements. All the measurements indicated that an ammonium bicarbonate solution and its crystalline solids are the major products of reaction.

Original languageEnglish
Pages (from-to)2490-2493
Number of pages4
JournalIndustrial and Engineering Chemistry Research
Volume36
Issue number6
DOIs
StatePublished - 1 Dec 1997

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