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The Wobbe index is expressed in MJ/Nm³ (where 'Nm³' indicates'm³ in Normal conditions), or sometimes in BTU/scf.In the case of natural gas (molar mass 17 g/mol), the typical heating value is around 39 MJ/Nm³ (1,050 BTU/scf) and the specific gravity is approximately 0.59, giving a typical Wobbe index of 51 MJ/Nm³ (1,367 BTU/scf).
Liquefied petroleum gas, also referred to as liquid petroleum gas (LPG or LP gas), is a fuel gas which contains a flammable mixture of hydrocarbon gases, specifically propane, n-butane and isobutane. It can sometimes contain some propylene , butylene , and isobutene .
Hydrometers in the U.S. had been manufactured and distributed widely with a modulus of 141.5 instead of the Baumé scale modulus of 140. The scale was so firmly established that, by 1921, the remedy implemented by the American Petroleum Institute was to create the API gravity scale, recognizing the scale that was actually being used. [1]
Autogas or LPG is liquefied petroleum gas (LPG) used as a fuel in internal combustion engines in vehicles as well as in stationary applications such as generators. It is a mixture of propane and butane. [1] Autogas is widely used as a "green" fuel, as its use reduces CO 2 exhaust emissions by around 15% compared to petrol. [2]
A filling carousel is intended for filling large quantities of liquefied petroleum gas (LPG) cylinders. It consists of a frame with running wheels, rails, a central column for LPG and air, and a driving unit the carousel frame around the central column. The speed of the carousel can be adapted to the various filling times and capacities.
Liquefied petroleum gas, a flammable mixture of hydrocarbon gases; Lipophosphoglycan, a class of molecule found on the surface of some eukaryotes, in particular protozoa;
The Code also sets out requirements for emergency shutdown (ESD) systems for when liquefied gas cargoes are carried in bulk. [4] Section 4.1 of the IGC Code defines several types of tanks that can carry liquefied gases. These include independent tanks (of which there are three types, A, B and C), membrane tanks, integral tanks and semi-membrane ...
Liquefied natural gas Liquefied natural gas (LNG) is natural gas (primarily methane, CH 4) that has been converted to liquid form for ease of storage or transport. Liquefied petroleum gas Liquefied petroleum gas (also called LPG, GPL, LP Gas, or autogas) is a mixture of hydrocarbon gases used as a fuel in heating appliances and vehicles ...