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Compressed natural gas (CNG) is a fuel gas mainly composed of methane (CH 4), compressed to less than 1% of the volume it occupies at standard atmospheric pressure.It is stored and distributed in hard containers at a pressure of 20–25 megapascals (2,900–3,600 psi; 200–250 bar), usually in cylindrical or spherical shapes.
Natural gas burning on a gas stove Burning of natural gas coming out of the ground. Natural gas (also called fossil gas, methane gas, or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) [1] in addition to various smaller amounts of other higher alkanes.
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
This is a list of countries by natural gas production based on statistics from The U.S Energy Information Administration (EIA). Natural Gas in this list means dry natural gas; which is used in homes and business for heating, cooling, cooking and electricity generation, it can also be compressed and used as a fuel. [1]
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The heating value depends on the source of gas that is used and the process that is used to liquefy the gas. The range of heating value can span ±10 to 15 percent. A typical value of the higher heating value of LNG is approximately 50 MJ/kg or 21,500 BTU/lb. [2] A typical value of the lower heating value of LNG is 45 MJ/kg or 19,350 BTU/lb.
The calorific value of manufactured gas is around 500 Btu per cubic foot (18,629 kJ/m 3). Whereas, the calorific value of natural gas is twice that at around 1000 Btu per cubic foot (37,259 kJ/m 3). [3] For a given amount of heat only half the volume of natural gas is required.
Wet natural gas is used for petrochemicals as well as gasoline (petrol). In 2022, the United States has led the world in both natural gas production and natural gas exports. Until 2022, Russia was the world's largest exporter of natural gas, exporting over 250 billion cubic meters (bcm) of natural gas in some years. However, following the ...