Reviews on current carbon reduction technologies and experimental and numerical analysis on financial feasibility and practical application of a carbon absorption method

Wang, Haibin and Zhou, Peilin (2017) Reviews on current carbon reduction technologies and experimental and numerical analysis on financial feasibility and practical application of a carbon absorption method. In: Coastal, Offshore and Ocean Engineering Conference, 2017-12-15 - 2017-12-15.

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Abstract

Global warming has become a popular topic and IMO’s regulations have come in forces to reduce carbon emission from international shipping by improving the energy efficiency with EEDI and EEOI. Carbon capture and storage is an alternative method utilizing different technologies to capture the CO2 from emission sources and storage/utilize them to reduce the carbon emission from exhaust gas or the content of CO2 in atmosphere. This paper reviews current carbon capture method and introduces a chemical absorption technology for carbon reduction on ships, which is a feasible method and applied by onshore industry. Experimental analysis indicates the average absorption rate for carbon dioxide feed in can reach 68%. A financial analysis is presented to evaluate a case ship in comparison with liquefaction method which indicates the absorption method is cost effective and earns profit after selling the final product from the chemical processes at the destination of a voyage. This paper also presents the design, analysis and validation of the numerical simulation model and a case ship study of practical absorption system installation is conducted based on the validated model.

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