A natural-gas processing plant in Aderklaa, Austria. Natural-gas processing is a range of industrial processes designed to purify raw natural gas by removing contaminants such as solids, water, carbon dioxide (CO 2), hydrogen sulfide (H 2 S), mercury and higher molecular mass hydrocarbons to produce pipeline quality dry natural gas for pipeline distribution and final use. Sometimes NGLs must be removed (whether economic or not) for the ‘residue’ natural gas to meet BTU and other specifications for the take-away natural gas pipeline or LNG liquefaction facility. Regardless, for natural gas produced at the wellhead to be sold and transported in pipeline systems, various impurities like sulfur and water must be Natural gas requires a ratio of around 10 to 1. • LPG is propane and butane while natural gas is methane. • LPG is heavier than air while natural gas is lighter than air. • LPG is liquefied through pressurisation. • Natural gas is cryogenically turned into liquefied natural gas – LNG. • LPG is distributed in gas bottles, cylinders Methane is a colorless, odorless, and flammable greenhouse gas, while Natural gas is primarily methane but contains ethane, propane, carbon dioxide, and water vapor as well. The Trump Administration’s Department of Energy rebranded it as “freedom gas” while environmental advocates sometimes prefer ‘fracked gas” or fossil gas.”. One major difference between the two is energy density. LPG (mostly propane and butane but also contains a significant amount of other stuff) has about 2.4x the energy as natural gas (mostly methane, but ethane and propane are also present). So, you should consider that along with the cost. While the price of natural gas (and solar power) is decreasing, the price of coal is still up. According to Lazard, coal prices are moving between 60 and 143 USD (/megawatt-hour), while the price of natural gas is between 41 and 74 USD. Summary: why is natural gas better than coal? In order to determine the difference in cost between the two fuels, we need to look at their prices per kilowatt hour and the MMBtu, which is the unit of energy used. Natural gas, for example, might cost $6.00 per MMBtu, while electricity costs $0.11 per kilowatt hour. Propane, on the other hand, costs about two dollars per gallon. The natural gas (NG) can be converted in liquefied natural gas (LNG) in order to make easier. • the first in function of the temperature difference between LNG and external environment (T. 0): 77Wh.

difference between lng and natural gas