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【 Dual Fuels 】

Dual fuel engines run on both gas fuel and liquid fuels. Among them, the gas fuels suitable for the operation of our dual fuel generator set include natural gas and methanol; Liquid fuels include diesel, heavy oil, and crude oil. (Note on this website: In dual fuel, gas fuel also includes liquid gas fuel, such as liquefied petroleum gas, methanol, and dimethyl ether, etc.).


The advantage of the dual fuel technology is without a doubt its fuel flexibility. This technology makes it possible to utilise the economic and environmental superiority of gas fuel, although its conditions for use cannot (yet) be reliably ensured in the short term. Our dual fuel engines are the appropriate solution for gas operation.


Natural gas is suitable for our gas engines. The benefits of natural gas are low price and good environmental compatibility, thanks to its clean combustion. A disadvantage is that the infrastructure to ensure a safe and continuous availability is not yet in place.  This is essential for the operation of pure gas engines.

LNG
LNG Ship

If the availability of natural gas or methanol is not reliable, the power plant can still produce electricity with our dual fuel engines. If the supply of gas fuel is interrupted, the engine is simply operated in liquid fuel mode. The liquid fuel is simply stored in tanks.


In addition to gas fuels (including natural gas or methanol), our medium speed dual fuel engines are able to run on all other fuels suitable for our liquid fuel engines. These range from liquid biofuel to distillates (MDO/MGO), crude oil and HFO.

Appendix: Dual Fuels conditions
  • Conditions
  • Limit
  • Purpose
  • 1. Fuel Gas /Fuel oil
  • Natural Gas
  • PNG, LNG, CNG, OAG and Shale gas
  • Gas Fuel
  • Methane number
  • ≥ 80
  • Natural Gas LHV
  • 32,400 kJ/Nm³ (LHV)
  • Diesel oil
  • DMA or DMZ
  • Piot fuel and Liquid fuel
  • HFO
  • 42,700 kJ/kg (LHV)
  • Liquid fuel
  • 2. Methanol /Fuel oil
  • Methanol (CH3OH)
  • ≥ 95% (m/m)
  • Liquid gas fuel
  • Diesel oil
  • DMA
  • Piot fuel and Liquid fuel
  • HFO
  • up to 700 cSt/50º C, RMK700
  • Liquid fuel

Note:

1. 1 Nm³ corresponds to one cubic meter of gas at 0 °C and 101.32 kPa.

2. All data provided on this site is for information purposes only, explicitly non-binding and subject to changes without further notice.

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