Introduction:
Everyone must have heard about CNG.Natural gases are compressed to a range of 200-250 kg/cm^3 and this compressed state of natural gas is known as CNG.The reason why natural gas is compressed is that it takes occupies lesser space and provides adequaate pressure while entering the combustion chamber of the engine.
As CNG is another form of natural gas so it has the same chemical composition as of natural gas.Just like natural gas,even CNG is colorless,odourless and without any poison.It is slightly lighter then air.
Benefits of using CNG:
-This gas is considered more eco-friendly.As compared to petrol & diesel,it releases lesser carbon dioxide,nitrogen dioxide,and other harmful gases.Thus it plays a supporting role in keeping environment clean.
-It involves less expenditure as compared to petrol & diesel so considered economical.
Natural Gas:
Natural gas is considered as one of the best source for fuel.This gas is normally obtained during the extraction of petroleum from underground resources.It contains methane,ethane & propane.Along with these three gases it also contains butane,hectane,pentane in very small amount.All the gases listed above are considered to be very flamable hydro carbons.Apart form them carbon dioxide,nitrogen dioxide,helium and hydrogen sulphide are also contained by natural gas in impure forms.
Among various gaseous fuels,Natural gas has the highest mass.In India natural gas is mainly used as a fuel for home appliances and it is also used in vehicles in the form of CNG.
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