Better Futures Starts With LNG
By choosing LNG as your energy source you reduce emissions as well as fuel costs
LNG FOR TRANSPORTATION
Despite the innovations in transportation technology around the world, the transport sector is the fastest growing consumer of energy and emitter of greenhouse gases and is expected to continue in the coming years. Liquefied Natural Gas (LNG) is a cost-effective solution to the emissions challenges in transportation today and beyond.
LNG FOR BUNKERING
The use of natural gas in the shipping sector is an advantage because it can save operating costs and reduce exhaust emissions. LNG Bunkering is an initiative to store and distribute LNG as ship fuel using the Direct Berthing and Ship to Ship Transfer transfer schemes. The use of LNG as fuel for ships is part of the CNG conversion program for the maritime sector as stipulated in the Grand National Energy Strategy (GSEN). This LNG terminal is located in Bontang, East Kalimantan. PGN LNG provides LNG as fuel for domestic and international ships with a demand of up to 0.7 MTPA for 10 years.
LNG FOR TRAINS
Increasing awareness to use more environmentally friendly fuels from public transport is leading to innovations in the possible applications of new or rarely used propulsion types and fuels. Today there is a lot of talk about hybrid propulsion, hydrogen, CNG, bio-fuels, but each type of alternative has some advantages and disadvantages. An example is CNG, as well as electric vehicles whose range is relatively small which is sufficient to be used in public transportation in urban areas but for long-distance transportation such as trains it is not sufficient. Imagine how big the battery will be installed and how long it will take to charge the battery again. LNG (liquefied natural gas) compared to CNG allows up to 3.5 times longer reach. Therefore, the possibility of using LNG in rail transportation proves to be an attractive solution.
LNG is natural gas that is liquefied by cooling the gas at a temperature of around -162oC. This low temperature is called cryogenic liquid and requires special handling to store it. This cryogenic temperature can function to cool down engine temperature and engine temperature can help LNG evaporate into its gaseous form again. In order to keep the LNG liquid, a special container is needed, an isotank or VGL (Vertical Gas Liquid) cylinders can be used.
Static and dynamic tests have been carried out on the use of public railway modes owned by PT Kereta Api Indonesia Persero (KAI). This test uses a DDF (Diesel Dual Fuel) system that combines existing fuel with LNG. The results of the static and dynamic tests show that the efficiency of the engine performance is better when compared to the use of diesel fuel. In addition, the use of LNG fuel on trains has a number of benefits. Starting from fuel cost efficiency, lower gas engine maintenance costs, as well as for the use of environmentally friendly energy or green energy.
LNG FOR MARITIME
With the IMO SOx (sulfur oxide) restriction regulations introduced on 1 January 2020, most ocean liners now use low-sulfur heavy oil. However, the use of low-sulfur heavy oil does not change CO2 emissions, it is clear that this fuel is inadequate in achieving the IMO goal of reducing CO2 emissions by more than 40% by 2030 compared to 2008.
Therefore, the introduction of LNG-fueled ships that do not use Heavy Fuel Oil is attracting attention in the long term. LNG is said to have a low environmental impact because it removes sulfur in the pre-liquefaction process, emits almost no Sulfur Oxides (SOx) or Particulate Matter (PM) when burned and produces less NOx (nitrogen oxides) and CO2 than other fuels. LNG is also relatively safe because its specific gravity is lighter than air and it spreads easily, so the risk of explosion is smaller. In addition, proven reserves exceed oil and its ability to provide a stable long-term supply for more than 50 years could be a favorable consideration.
LNG FOR ENERGY
LNG is one of the materials used in the energy sector, especially electricity. The need for electricity on ships when the Waiting Time (Anchored Area) or Berthing Time is still needed, therefore to facilitate and reduce ship generator emissions it can be supplied through a connection that is LNG Shore Connection on the dock or from an LNG Power Barge connection that is carried out at sea using a tug boats. Using the LNG Power Barge will save 10% - 15% compared to using the HSD while using the LNG Shore Connection as a power supply on the ship will save 25% - 30% instead of using the HSD.
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