ALIPHATIC STRAIGHT CHAIN HYDROCARBONS FROM NATURAL SOURCE AS KEY ROLE FACTOR IN DAILY LIFE

Bottled gas is a term used for substances which are gaseous at standard temperature and pressure (STP) and have been compressed and stored in carbon steel, stainless steel, aluminium, or composite containers known as gas cylinders. CNG (compressed natural gas) is methane and LPG is propane and/or butane. CNG (compressed natural gas) is stored as a gas and LPG is stored as a liquid. CNG (compressed natural gas) is compressed natural gas storage – methane. LPG is liquefied petroleum gas – propane. The class of gases that are termed compressed gases are non-liquefied gases. This means that they do not become liquid at normal temperatures, even at high pressure. They are either: A gas or mixture of gases in a container having an absolute pressure exceeding 40 pounds per square inch (psi) at 70°F (21°C).