Lpg: gas produced at the time of refining crude oil or volatilized from oil or gas extraction processes. Lpg is a mixture of oil and gas formed under appropriate pressure。
Lng: natural gas produced in gas fields is purified and formed by hydrolytics at very low temperatures (-162°c)。
Cng: after processing gas from gas fields, pressure storage can also be used to make biogas, which is more common in rural areas。
Different status
Lpg: lpg exists in the form of constant temperature liquids。
Lng: lng exists in a state of hyper-low (-162°c) constant pressure liquefied。
Cng: existence in a gaseous state after constant warming。
Pureness is different
Lpg fuels contain small amounts of impurities of e-alkanes, pentanes and trace sulphur compounds, with a small amount of pollution of the emissions, which are essentially the same as those from the internal combustion engine。
Lng, cpg, are clean fuels, with very low emissions, and many developed countries have ranked as the preferred new energy gases。
Logistics is different
Lpg is stored in a liquid tank container under appropriate pressure and is often used as cooking fuel. Outside, lpg has been used as light vehicle fuel for many years. Lpgs are the most economical because of their ease of transport, storage and transport, which can be liquidized at low temperatures。
Lng liquefied natural gas (lng) is currently the fastest-growing quality clean fuel in the world, colourless, tasteless, non-toxic and non-corrosive, with a volume of approximately 1/600 for the same volume of gas, with a weight of only about 45 per cent of the same volume of water, liquid fuels processed at very low temperatures at 162°c, and therefore at high additional costs, as well as transport and transport inconvenience。
Cng is gas-encumbered and stored in a gaseous form in a packaging. The mode of transport is the use of high-pressure storage cylinders as storage devices, which are sufficient for ordinary vehicle transport, so that cng has lower production and storage costs. In the area of maritime logistics, the launch of the cpg transport ship has resulted in significant cost reductions for operators, and many countries are also using cpg transport vessels to transport natural gas。
Apply different
Lpg was used earlier in the years to modify some taxis, but has been phased out because of lack of power and now more domestic use is the liquid gas that we use on a daily basis。
Lng and cpg are eventually reduced to low-pressure gaseous uses, which are widely used in metallurgy, food, ceramics, industries, catering, civil use and automobiles。
