Systems which remove nitrogen oxides, sulphur oxides and particulate matter from exhaust gases are a well established technology for land based applications. These systems may also provide an effective means to fulfil the future requirements of marine air pollution legislation. For this reason the International Maritime Organization has established guidelines for an unambiguous certification of these systems in order to show compliance with the applicable emission limits for international shipping. These guidelines adopt a pragmatic approach to present a well functioning of the systems in terms of emission reduction to port state controls and certification societies. However, based on practical experiences with model and onboard verification tests according to Scheme B of the SCR guideline, it is recommend reconsidering the instructions for the verification of the model test during the sea trial of the SCR guideline. In order to further increase the safe ship operation and to prevent safety and environmental hazards certification societies like DNV GL have come up with rules for the design of exhaust gas cleaning systems. These rules contribute a large portion to minimize potential risks of these new technologies in the harsh maritime environment. The rules are under constant development and will be permanently extended based on the experiences gathered with such systems in the near future.
Marine diesel engines with SCR: practical experiences of from the perspective of a classification society
2014
18 Seiten, Bilder, 3 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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