Experimental investigation on carbon dioxide reduction by using post-combustion carbon capture system in a spark-ignition engine

Global warming poses a significant threat to the environment, impacting people, wildlife, and ecosystems. Carbon dioxide is an essential constituent of global warming. The quantum of carbon dioxide released in the exhaust depends on the number of carbon atoms present in the fuel used. The present study investigates the reduction of engine-out carbon dioxide emission. For carbon dioxide reduction post-combustion capture system is used. In a post-combustion capture system, carbon dioxide is absorbed by using an absorption catalyst. In this capture system, carbon dioxide is drunk after combustion. Monoethanolamine (M.E.A.) is used among various absorption catalysts, as it can react more quickly with carbon dioxide than other absorbents. Monoethanolamine is continuously injected into the exhaust manifold. An empty chamber is added in the exhaust manifold for increasing the resident time of the reaction of an amine with carbon dioxide M.E.A. reacts with carbon dioxide forms ammonium carbamate. The Environmental Protection Agency approves carbamate as an inert ingredient used for insect and rodent control in areas where agricultural products are store.