Carbon Capture and Storage: CO2 Management Technologies by Amitava Bandyopadhyay

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By Amitava Bandyopadhyay

Carbon seize and garage (CCS) refers to a suite of applied sciences and strategies for the mitigation, remediation, and garage of business CO2 emissions, the main approaching and virile of the greenhouse gases (GHG). The booklet addresses the tools and applied sciences presently being utilized, constructed, and such a lot wanting additional research.The ebook: Discusses tools of carbon catch in commercial settings Presents Read more...

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12 Carbon Capture and Storage: CO2 Management Technologies The situation is further complicated on a system having FGD installed previously. Because such a system would, therefore, require an auxiliary SO2 scrubbing system to make the flue gas stream ready for the CO2 capture system and in turn increase the capital cost of the CO2 capture system (McLarnon and Duncan 2009). Oxygen present in the flue gas would cause another problem of rapid degradation of some of the alkanolamines used for amine absorption.

All these CO2 capture plants were based on the chemical absorption processes using MEA-based solvent. MEA is a homologue of alkanolamines. The credit for developing alkanolamines as absorbents for acidic gases goes to Bottoms (1930). He was granted a patent in 1930 for such application. The historic development of CO2 removal using aqueous amines are classically elucidated by Kohl and Nielsen (1997). Thus, this technology was developed over 80 years ago as a general, non-selective solvent to remove acidic gas impurities like, hydrogen sulfide (H2S), CO2 from refinery operations as well as sweetening of natural gas streams (Kohl and Nielsen 1997).

It was shown that the simultaneous absorption of CO2 and SO2 was achievable without any impact on CO2 removal process by the SO2 removal because the removal efficiencies of CO2 and SO2 were maintained at a high level and the CO2 loading was increased in the blend of 30% AMP + 3% NH3 solution. In another investigation, Choi et al. 095 m, batch liquid volume: 500 ml, and stirring speed: 50 rpm). Results showed that the CO2 absorption rate was increased by 144% with increasing NH3 concentration and partial pressure.

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