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            january 18, 2020

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World's biggest dual fuel use engine to power world's biggest ships


The Mitsubishi Heavy Industries Marine Machinery & Equipment Co has delivered the MET Turbochargers for the world's largest two-stroke dual-fuel ship engines to be mounted in nine 23,000-TEU vessels - among the world's biggest ships, reports New York's MarineLink.
Developed by Winterthur Gas & Diesel of Switzerland and to be built by CSSC-MES Diesel Co of Shangahi, the first completed unit unveiled December 2 in Shanghai where the first complete engine was built.
"The combination of the MET Turbocharger with the 12X92DF engine achieves the uniform lean combustion of gas mixed air in the engine," said the manufacturer's press release.
At the same time, the effective utilisation of the exhaust gas enables both cleaner emissions and high efficiency. It makes it easy to accommodate the strict International Maritime Organisation (IMO) nitrogen oxide (NOx) and sulphur oxide (SOx) emission regulations on specified ships, while also reducing carbon dioxide (CO2) emissions with the contribution changing the fuel from diesel to dual fuel, it said.
The waters subject to these standards are expected to expand going forward. As for SOx, in addition to the ECA where strict emissions regulations are already in effect, the requirements will be intensified in all other waters from 2020, reducing the allowable sulphur content in marine fuels from the current limit of 3.5 per cent to 0.5 per cent.
"The combination of MET Turbochargers with X-DF engines will realise a powerful option for meeting these stricter rules," said the press release.

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