Friends who have just entered the gas industry, are you confused about LPG, LNG, and CNG? In order to let everyone have a better understanding, the editor briefly enumerates the differences and differences between the three, and takes you to get started in 1 minute.
1. Names have different meanings
LPG (Liquefied Petroleum Gas) is a colorless and volatile gas obtained by pressurizing, cooling, and liquefying refinery gas or natural gas (including oilfield associated gas).
LNG (Liquefied Natural Gas) is a low-temperature liquid fuel that can be stored and transported under normal pressure.
CNG (Compressed Natural Gas) compressed natural gas is usually converted from LNG after vaporization and compression.
2. Different ingredients
LPG is a mixture of propane and butane, usually accompanied by small amounts of propylene and butene.
LNG and CNG are composed of methane, and the properties of both are the same, and the methane content is also the same.
3. The purity is different
LPG fuel contains a small amount of pentane, pentene and trace sulfur compound impurities, the exhaust gas has a small amount of pollution, and the main emission component is basically the same as that of the internal combustion engine.
LNG and CNG are clean fuels with very low emissions and are listed as the first choice for new energy gases by many developed countries.
4. Different applications
LPG was used in the conversion of some taxis in the early years, but because of lack of power, it has been gradually eliminated. Now there are more households, which is the liquid gas we use daily.
LNG and CNG will eventually be reduced to a low-pressure gaseous state for use, which is widely used in metallurgy, food, porcelain, various industries, catering, civil, automotive and other fields.
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