Technological Perspective for Reducing Emissions from Marine Engines

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Abstract
Climate change and adverse impacts on the ocean environment have recently received much attention in the shipping and marine economic sectors. Preventing pollution of the marine environment from land sources through the river or atmospheric water is only possible by applying clean industrial technologies without waste and methods for rational use of natural resources. Main technical facilities to protect the sea environment from the current pollution are used to remove toxic substances from waste sources of ships. The International Maritime Organization increasingly tightens regulations on emissions with marine transport fleets, especially emissions of NOx and SOx. Therefore, many countries in the world continually improve and develop marine diesel engines in the direction of reducing emissions with different technologies. It is a tremendous necessary to enrich the technological knowledge to select new energy equipment in shipbuilding because they play a vital role in ensuring emission standards throughout the life of the ship. Indeed, technology development orientation in coastal countries' marine industry with the initial study results on the use of extraction optimization measures, alternative fuels, and output emission control solutions, it shows that we can implement some technologies to achieve NOx and SOx reduction according to IMO regulations. This paper summarizes the most important recent development technologies in the world in the field of marine engines. Also, the authors assessed the possibility of applying these new technologies to fleets of coastal countries to meet environmental requirements.

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