Mitsui introduce new environmentally friendly ferry
Mitsui OSK Lines recently announced the completion of the concept for its second in a series of next generation vessels. The ‘Ishin-II’ is an environment friendly ferry that can transport both cargo and passengers.
The company says the ferry maximizes advancement of technologies already developed and adopted, and will further reduce environmental burden and enhance comfort for passengers.
Ishin-II ‘s main engine and power generation system will be fueled by liquefied natural gas (LNG), which generates over 20% less CO2 per thermal unit compared to the heavy fuel oil used by most conventional ferries. This will result in a significant reduction in CO2 emissions. Use of LNG also cuts emissions of NOx, SOx, and particulate matter (PM) such as soot, dust, and smoke, by about 90%, 98 to100%, and 98% respectively.
The new vessel will use a shore power supply system while berthed in port. This means that the vessel achieves zero emissions by use of electricity supplied from shore and rechargeable batteries.
Solar battery films will be installed on all cabin windows to reduce light entering the cabins and solar power will supply electricity. Excess energy generated while under way will be stored in the high capacity rechargeable lithium ion batteries.
The design minimizes vibration and noise in passenger spaces, while maximizing comfort, convenience, and service quality for passengers. Also featuring is passenger friendly facilities and passenger focused services such as simplified, IT based boarding procedures and smoother loading and offloading of vehicles.
The new design also includes optimization of propulsion efficiency by a contra-rotating propeller system, reduction of friction drag, and optimization of the hull form for enhanced fuel efficiency.
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