Question

Compare Lpg and natural gas​

Answer 1

Answer:

LPG has a higher calorific value, or energy content, so less gas is required to produce the same amount of heat. The second key difference is in the oxygen to gas ratio required for proper combustion. LPG requires an oxygen to gas ratio of approximately 25 to 1. Natural gas requires a ratio of around 10 to 1.

<>LPG is propane and butane vs natural gas which is methane

<> LPG vs natural gas are different chemicals with different formulae: LPG: Propane is C3H8 & Butane is C4H10 whilst Natural Gas – Methane is CH4

<> LPG is heavier than air vs natural gas which is lighter than air

<> LPG has a higher energy content at 93.2MJ/m3 vs natural gas at 38.7MJ/m3

<> LPG requires a higher air to gas ratio for combustion at a 25 to 1 ratio vs 10 to 1 ratio for natural gas

<> LPG is liquefied through pressurisation vs natural gas which is cryogenically turned to liquefied natural gas – LNG

<> LPG is distributed in gas bottles and tanks vs natural gas being conveyed via pipeline

<> LPG appliances operate at 2.75 kPa vs 1.1 kPa for natural gas appliances

<> LPG is not natural gas but it is derived from natural gas processing.

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Answer 2

Answer:

The composition and source. One is found naturally the other is produced by catalytic cracking.

Explanation:

Petroleum gas is mainly C3 and C4 based (propane and butane), whilst natural gas is predominantly C1 and C2 (methane and ethane).

Petroleum gas is generally produced via the cracking of naphtha, which is one of the components separated during crude oil refining.

Natural gas is found, for example, in natural gas fields, and also in the form of shale gas.