Marpol Annex Vi For Marine Diesel Engine Emissions Control

Along with the world environmental worsening and environmental protection enhancing, the requests that control harmful emissions from engines are strongly increasing. At the same time, environment pollution problem caused by harmful emissions especially the NOx and SOx from marine diesel engine also remains a vital consideration. How to protect the world environment is an emphasis task which human is faced with at present. In order to prevent, reduce and control air pollution from ships, the International Maritime Organization (IMO) adopted the Protocol of 1997 and Annex VI to MARPOL73/78 in 1997, and Annex Vl-Regulations for the prevention of air pollution from ships became effective on May 19, 2005.Based upon Annex VI to MARPOL73/78, this paper analyses the trend of emission control, which will be more and more restricted in future. According to the formative mechanism of NOx emission from marine diesel engine, NOx emission character of marine diesel engine is analyzed in aspects of engine structure, fuel oil and air in-taking condition. Based on the G6300ZC16B marine diesel engine emission test, this paper analyses the NOx emission control methods of improved G8300ZC30B marine diesel engine. At the same time the emission test results of G300 marine diesel engines are analyzed in the interest of emission control research for marine diesel engine in the future. The essential and virtue of marine diesel engine emission test on board is introduced, and the marine diesel engine emission test on board will be forced in the future.1) The influence factors, generating mechanism and relevant emission control techniques of NOx emission from marine diesel engine are analyzed, at the same time the means and methods of NOx emission from marine diesel engine are analyzed. NOx emission character of marine diesel engine is analyzed in aspects of many important parts and components, for the purpose of survey on board while the marine diesel engine is maintained or the important parts or components are changed.2) The condition of the stand test, the standard of instruments and the measurement of G6300ZC16B marine diesel engine emission test are clearly described, and the requests of MARPOL73/78 Annex VI are also described. The emission test results of G6300ZC16B marine diesel engine are analyzed.3) The NOx emission control methods of improved G8300ZC30B marine diesel engine is presented. It is verified after the emission test results of G8300ZC30B marine diesel engine is analyzed.4) Along with the world environmental worsening and environmental protection enhancing increasingly, the emission control from marine diesel engine will be more and more restricted in the future. The essential and virtue of marine diesel engine emission test on board is introduced, and the marine...