舶用SCRシステムを搭載した大型ディーゼル機関の就航試験結果

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タイトル別名
  • Test Results of Marine SCR System for Large Diesel Engines during Long Term Service Test
  • ハクヨウ SCR システム オ トウサイ シタ オオガタ ディーゼル キカン ノ シュウコウ シケン ケッカ

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The International Maritime Organization (IMO) has decided to implement a tighter limit for nitrogen oxide (NOx) emissions from ships operating in emission control areas (ECA) from 2016. Hitachi Zosen Corporation has developed a marine SCR system to denitrate exhaust gas of large two-stroke diesel engines in order to comply with the IMO regulation. Nippon Kaiji Kyokai issued a certificate attesting that certifies a large two-stroke diesel engine Hitachi-MAN B&W 6S46MC-C7 fitted with the SCR system achieved the NOx emission level required by the IMO regulation. The system was installed on a new-built vessel, and verification tests were carried out for a long period.<BR>In this paper, we will present a summary of the marine SCR system, and report on sea trial results of the marine SCR system installed on the new-built vessel, as well as those of a similar SCR system installed on a multi-cylinder test diesel engine in order to solve technical issues encountered during long-term service test.

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