Page No. 29-34: Use of energy efficient options for emission control

Authors

  • Angit Anil
  • Bhanu Sudheer
  • Avik Halder

Abstract

Extensive usage of internal combustion engines by shipping industry has certain disadvantages and one of them is its negative effect on the environment. The issue of controlling air pollution from ships was discussed in the lead up to the adoption of the 1973 MARPOL Convention. Sulphur emissions (SOX) from ships were estimated about 4 percent and nitrogen oxide emission (NOX) as 7 percent of total global emissions. Emissions of CFCs and Halon were about 3 and 10 percent respectively of total global emissions. A new draft was made and finally adopted in September 1997. ANNEX VI sets limit on ozone depleting substances SOx, NOX, volatile organic compounds, ship board incineration, fuel oil quality to prevent the air pollution from ships. Sulphur content in the fuel can be reduced by oxidative desulphurization (ODS). Formation of NOx can be reduced by exhaust gas recirculation (EGR) technology. Many in cylinder solutions such as lower compression ratios, modified injection characteristics, improved air intake system etc. are required along with EGR to accomplish the emission norms. Modern combustion techniques such as low temperature combustion (LTC), homogeneous change compression ignition (HCCI), premixed charged compression ignition (PCCI) etc. would be helpful for reducing the exhaust emissions and improving the engine performance. However, controlling of autoignition timing and achieving wider operating range are the major challenges with these techniques. A comprehensive review of emission characteristics and control method is given in this paper.

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Published

2019-04-09

How to Cite

Anil, A., Sudheer, B., & Halder, A. (2019). Page No. 29-34: Use of energy efficient options for emission control. IIRE Journal of Maritime Research and Development, 3(1). Retrieved from https://ojsiire.com/index.php/IJMRD/article/view/73

Issue

Vol. 3 No. 1 (2019): Students' Edition of Brinicle (March 2019)

Section

Articles

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