日本海事新聞ニュース Japan Maritime Daily Apr 23, 2026 (Thu)

Class NK Grants AiP to Mitsubishi Heavy Industries Group for Methane Oxidation Catalyst System to Tackle Methane Slip

Scene from the AiP award ceremony

　On April 22, ClassNK (NK) awarded an AiP (Approval in Principle) to Mitsubishi Heavy Industries Mar ・・・ 続きはログインして下さいnext %E3%80%80On+April+22%2C+ClassNK+%28NK%29+awarded+an+AiP+%28Approval+in+Principle%29+to+Mitsubishi+Heavy+Industries+Marine+Machinery+%26+Equipment+and+Mitsubishi+Shipbuilding+at+the+venue+of+%E2%80%9CSEA+JAPAN+2026%2C%E2%80%9C+which+opened+at+Tokyo+Big+Sight+in+Koto+Ward%2C+Tokyo.+The+approval+covers+a+methane+oxidation+catalyst+system+under+development+by+the+two+companies.+The+system+suppresses+%E2%80%9Cmethane+slip%2C%E2%80%9C+in+which+methane%2C+a+type+of+GHG+%28greenhouse+gas%29%2C+is+released+unburned+into+the+atmosphere+during+combustion+on+LNG+%28liquefied+natural+gas%29-fueled+ships.+%3Cbr%3E%E3%80%80As+the+development+of+alternative-fuel+ships+advances%2C+methane+slip+has+become+one+of+the+challenges+in+operating+LNG-fueled+engines.+Among+GHGs%2C+methane+has+a+particularly+strong+greenhouse+effect.+Expectations+are+rising+for+a+catalytic+device+that+can+reduce+methane+slip+by+oxidizing+methane.+%3Cbr%3E%E3%80%80A+prototype+of+the+two+companies%E2%80%99+equipment+has+been+installed+on+the+LNG+bunkering+%28fuel+supply%29+vessel+%E2%80%9CKEYS+Azalea%2C%E2%80%9C+built+by+Mitsubishi+Shipbuilding%2C+and+demonstration+tests+are+underway.+%3Cbr%3E%E3%80%80Mitsubishi+Shipbuilding+President+Shin+Ueda+said%2C+%E2%80%9CI+have+heard+that+the+demonstration+tests+have+been+producing+good+results.%E2%80%9C+He+said%2C+%E2%80%9CThis+project+has+long+been+jointly+carried+out+with+Mitsubishi+Heavy+Industries+Marine+Machinery+%26+Equipment+playing+the+central+role%2C+and+it+is+significant+in+that+it+was+undertaken+by+two+companies+in+the+Mitsubishi+Heavy+Industries+Group.%E2%80%9C+%3Cbr%3E%E3%80%80By+obtaining+an+AiP%2C+it+becomes+possible+to+demonstrate%2C+through+a+third-party+evaluation%2C+that+the+design+is+feasible+for+the+applicable+use+of+the+technology+in+question%2C+while+also+helping+to+prevent+regulatory+rework+in+later+stages+and+shorten+the+review+time+for+classification+registration.+%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3EDisclaimer%3A+The+English+translations+provided+through+this+service+are+the+result+of+translations+made+by+The+Japan+Maritime+Daily+or+automatically+and+mechanically+translated+by+The+Japan+Maritime+Daily+using+an+automated+translation+system+provided+by+a+third+party+after+certain+processing+of+the+Japanese+content+licensed+by+the+third+party.+In+terms+of+the+English+translation%2C+The+Japan+Maritime+Daily+and+MarineNet+Co.%2C+Ltd.+make+no+warranty+or+burden+of+any+kind%2C+express+or+implied%2C+including+its+accuracy%2C+reliability%2C+validity+or+fitness+for+a+particular+purpose.+MarineNet+Users+should+fully+understand+that+this+service+uses+an+automated+translation+system+that+automatically+and+mechanically+recognizes+and+analyzes+information+and+produces+results.+The+users+should+understand+the+above+conditions+before+using+this+service.%3Cbr%3E%3Cbr%3E%E5%85%8D%E8%B2%AC%E4%BA%8B%E9%A0%85%EF%BC%9A%E3%81%93%E3%81%AE%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%E3%82%92%E4%BB%8B%E3%81%97%E3%81%A6%E6%8F%90%E4%BE%9B%E3%81%95%E3%82%8C%E3%82%8B%E8%8B%B1%E8%A8%B3%E3%81%AF%E3%80%81%E6%97%A5%E6%9C%AC%E6%B5%B7%E4%BA%8B%E6%96%B0%E8%81%9E%E3%81%8C%E4%BD%9C%E6%88%90%E3%81%99%E3%82%8B%E3%81%8B%E3%80%81%E5%8F%88%E3%81%AF%E3%80%81%E7%AC%AC%E4%B8%89%E8%80%85%E3%81%8B%E3%82%89%E4%BD%BF%E7%94%A8%E8%A8%B1%E8%AB%BE%E3%82%92%E5%8F%97%E3%81%91%E3%81%9F%E6%97%A5%E6%9C%AC%E8%AA%9E%E3%81%AE%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%82%92%E3%80%81%E6%97%A5%E6%9C%AC%E6%B5%B7%E4%BA%8B%E6%96%B0%E8%81%9E%E3%81%8C%E4%B8%80%E5%AE%9A%E3%81%AE%E5%87%A6%E7%90%86%E3%82%92%E8%A1%8C%E3%81%A3%E3%81%9F%E4%B8%8A%E3%81%A7%E3%80%81%E7%AC%AC%E4%B8%89%E8%80%85%E3%81%8C%E6%8F%90%E4%BE%9B%E3%81%99%E3%82%8B%E8%87%AA%E5%8B%95%E7%BF%BB%E8%A8%B3%E3%82%B7%E3%82%B9%E3%83%86%E3%83%A0%E3%82%92%E5%88%A9%E7%94%A8%E3%81%97%E3%81%A6%E8%87%AA%E5%8B%95%E7%9A%84%E3%83%BB%E6%A9%9F%E6%A2%B0%E7%9A%84%E3%81%AB%E7%BF%BB%E8%A8%B3%E3%81%97%E3%81%9F%E7%B5%90%E6%9E%9C%E3%81%A7%E3%81%82%E3%82%8A%E3%80%81%E6%97%A5%E6%9C%AC%E6%B5%B7%E4%BA%8B%E6%96%B0%E8%81%9E%E3%80%81%E3%83%9E%E3%83%AA%E3%83%B3%E3%83%8D%E3%83%83%E3%83%88%E3%81%AF%E3%80%81%E5%BD%93%E8%A9%B2%E8%8B%B1%E8%A8%B3%E3%81%AB%E9%96%A2%E3%81%97%E3%81%A6%E3%80%81%E3%81%9D%E3%81%AE%E6%AD%A3%E7%A2%BA%E6%80%A7%E3%80%81%E4%BF%A1%E9%A0%BC%E6%80%A7%E3%80%81%E5%A6%A5%E5%BD%93%E6%80%A7%E5%8F%8A%E3%81%B3%E7%89%B9%E5%AE%9A%E7%9B%AE%E7%9A%84%E3%81%B8%E3%81%AE%E9%81%A9%E5%90%88%E6%80%A7%E3%82%92%E5%90%AB%E3%82%81%E3%80%81%E6%98%8E%E7%A4%BA%E5%8F%88%E3%81%AF%E9%BB%99%E7%A4%BA%E3%81%AB%E3%82%82%E3%80%81%E3%81%84%E3%81%8B%E3%81%AA%E3%82%8B%E4%BF%9D%E8%A8%BC%E3%82%82%E3%81%97%E3%81%BE%E3%81%9B%E3%82%93%E3%80%82%E3%83%9E%E3%83%AA%E3%83%B3%E3%83%8D%E3%83%83%E3%83%88%E3%83%A6%E3%83%BC%E3%82%B6%E3%83%BC%E3%81%AF%E3%80%81%E3%81%93%E3%81%AE%E3%82%B5%E3%83%BC%E3%83%93%E3%82%B9%E3%81%8C%E3%80%81%E8%87%AA%E5%8B%95%E7%9A%84%E3%81%8B%E3%81%A4%E6%A9%9F%E6%A2%B0%E7%9A%84%E3%81%AB%E6%83%85%E5%A0%B1%E3%82%92%E8%AA%8D%E8%AD%98%E3%83%BB%E5%88%86%E6%9E%90%E3%81%97%E3%81%A6%E7%B5%90%E6%9E%9C%E3%82%92%E5%87%BA%E5%8A%9B%E3%81%99%E3%82%8B%E8%87%AA%E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NK、三菱重工G2社にAiP。メタン酸化触媒装置に

2026/04/23(木)

日本海事新聞 JMD

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