Pollution Research Paper

Vol 39, Issue 3, 2020; Page No.(515-519 )

COMPARISON OF METHODS OF CARBON DIOXIDE CAPTURE WITH EMPHASIS ON USAGE OF CARBONIC ANHYDRASE

VIJAYA ILANGO AND MEENAKSHI SIVARAMAKRISHNAN

Abstract

Global warming and climate change are the main causes that have prompted global efforts to reduce the concentration of atmospheric carbon dioxide (CO2). Carbon dioxide capture and storage (CCS) is considered to be a crucial strategy for meeting CO2 emission reduction targets. Some of the CO2 capture techniques are absorption with novel solvents, adsorption, conversion of CO2 into chemical products, calcium looping and membrane technology etc. Carbonic anhydrase (CA) is a powerful biocatalyst that accelerates the transformation of carbon dioxide to bicarbonate ion. Experimental results show that carbonic anhydrase significantly enhances the absorption of carbon dioxide in aqueous N-Methyl diethanolamine (MDEA) solution. This paper focuses on finding an efficient method of carbon dioxide gas capture by analyzing the major sources of the CO2 emissions and studying current remedial methods. The possible application of carbonic anhydrase to store the captured CO2 is discussed in the final section.