Gas – The Clean Energy of the Future When gas is drawn from the earth, it is a mixture of several gases and liquids. Commercial natural gas is mainly composed of methane. However, it also contains ethane, propane and butane in accordance with the specifications for natural gas in each country in which it is distribu ted. Therefore, before natural gas is marketed, some NGLs, including LPG (propane and butane) are separated out, depending on the”wetness” of the gas produced: […]
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