I want to know that what is the difference between Compressed Natural Gas (CNG) and Liquid Petrolium Gas? How its are different from each other?
2006-10-11 18:26:20 · 0 answers · asked by raka 3 in Science & Mathematics ➔ Engineering
CNG is basically composed of methane whereas LPG is a mixture of propane, butane and other chemicals.
Another important difference from a physical point of view is that
CNG does not liquefy under high pressure - it remains a gas, unless it is cooled down to at least - 164°C. LPG on the other hand becomes liquid when it is compressed or when it is cooled down (therefore the name "Liquefied Petroleum Gas").
CNG directly comes from a gas field. The only process, which sometimes needs to be done, is filtering the gas. But usually, the gas can be used as a fuel right away after the compression process. LPG, however, is an artificial product. It is a mixture of the above-mentioned gases. Hence, these gases need to be blended, before they can be used as fuel.
CNG has a greater part of Hydrogen and is therefore lighter than air (this attribute in fact makes CNG very safe: once there is a leak in the system, the gas will simply be released to the atmosphere). LPG on the other hand, is twice as heavy as air. This gas is usually a by-product which accumulates from the oil drilling as well as the refinement of oil.
2006-10-11 20:03:16 · answer #1 · answered by Anonymous · 3⤊ 0⤋
LPG Stands for Liquified Petroleum Gas
CNG Stands for Compressed Natural Gas
they are different from each other from LPG contains butane gas,
CNG contains Methane as main ingredient,,,,,,,,,
both gases are filled in their container with high pressure
2006-10-11 19:20:50 · answer #2 · answered by Anonymous · 0⤊ 0⤋
What Is Lpg And Cng
2016-12-13 03:16:31 · answer #3 · answered by kinzer 4 · 0⤊ 0⤋
Above 2 fuels are of petroleum products. CNG is safer gas and in gaseous stage. LPG is in liquid stage and turns to gaseous stage when left to atmosphere. For both the fuels basic engine is a Petrol engine. LPG spreads in to air in case of leakage and leads to fire. CNG is a heavier gas and flows down hence, safer. Now in Metro cities as per the Supre court orders government is running CNG buses with green colour paint. You can see these buses in Vijayawada AP.
2016-03-14 07:49:32 · answer #4 · answered by Anonymous · 0⤊ 0⤋
LPG is Liquid petroleum Gas and CNG is Compressed Natural Gas. you can find in the following address http://www.petroleumbazaar.com
2006-10-11 18:48:11 · answer #5 · answered by SGraja 4 · 1⤊ 1⤋