Nature Environment and Pollution Technology

Suresh Vellaiyan ¹, K. S. Amirthagadeswarn ², B. Varun ¹

Affiliations
1 Department of Mechanical Engineering, Sri Ramakrishna Institute of Technology, Coimbatore, Tamil Nadu, IN
2 Department of Mechanical Engineering, Government College of Technology, Coimbatore, Tamil Nadu, IN

Abstract

The current study presents a new process for post combustion carbon dioxide (CO₂) capture in diesel engine. Cryogenic technique is used to achieve CO₂ separation from engine exhaust gas. The proposed process converted the CO2 in the form of dry ice using a cooled liquid absorbent (liquid nitrogen) at low pressure (close to atmospheric) and cryogenic temperature. The liquid nitrogen has a temperature of -196°C provided the cooling power to freeze out the CO₂ in the form of dry ice. Experiments are performed in single cylinder four stroke diesel engine with an eddy current dynamometer and AVL444 Di-Gas analyser. The engine exhaust gas is allowed to pass over liquid nitrogen CO₂ capture system. The result shows that liquid nitrogen is able to convert 90% of CO₂ in the form of dry ice at full load condition.

Keywords

Diesel Engine, Emission, CO₂ Capture, Liquid Nitrogen.

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