Liquefied natural gas is natural gas that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the volume of natural gas in the gaseous state. LNG is odorless, colorless, non-toxic and non-corrosive. LNG takes up less storage space on a vehicle than CNG, and it also offers an energy density that can be compared to diesel fuel. This makes it a common choice among many long-haul trucking companies.
As RNG is comparable to CNG in its properties, the gas can also be converted to liquified RNG using same liquefaction technology. The only challenge would be that CNG facilities are large scale and thus LNG facilities are installed accordingly. As RNG can be installed in small scales usually in the range of 5-10 TPD, suitable technology developments are needed to carried out liquefaction at small scales.
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Innovation sector01-04-2021
Source: China University of Petroleum
Source: Galileo Technologies
Source: DMT Clear Gas Solutions
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