propane

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propane,

CH3CH2CH3, colorless, gaseous alkanealkane
, any of a group of aliphatic hydrocarbons whose molecules contain only single bonds (see chemical bond). Alkanes have the general chemical formula CnH2n+2.
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. It is readily liquefied by compression and cooling. It melts at −189.9°C; and boils at −42.2°C;. Propane occurs in nature in natural gas and (in dissolved form) in crude oil; it is also a byproduct of petroleum refining. It is used chiefly as a fuel. For this purpose it is sold compressed in cylinders of various sizes, often mixed with other hydrocarbons, e.g., butane. Propane fuel is used in a type of cigarette lighter and in portable stoves and lamps.

Propane

 

CH3CH2CH3, a saturated hydrocarbon that exists as a colorless, odorless combustible gas with a melting point of –187.7°C and a boiling point of –42.1°C. Its flammability limits when mixed with air are 2.1–9.5 percent (by volume). Propane is found in natural gas, casinghead gas, gases obtained from CO and H2, and the gases produced during petroleum refining. In industry, the catalytic dehydrogenation of propane yields propylene, and propane nitration produces nitromethane (mixed with nitroethane and nitropropane). Propane is also used as a solvent in, for example, removing alkanes from petroleum products. When mixed with butane, it can be used as an illuminating or household gas.

propane

[′prō‚pān]
(organic chemistry)
CH3CH2CH3 A heavy, colorless, gaseous petroleum hydrocarbon gas of the paraffin series; boils at -44.5°C; used as a solvent, refrigerant, and chemical intermediate.

propane

a colourless flammable gaseous alkane found in petroleum and used as a fuel. Formula: CH3CH2CH3
References in periodicals archive ?
Fresh 4h 800 C 4h 900 C 4h 1000 C CO 362 328 314 281 C3H6 359 347 349 306 NO 393 374 371 342 C2H4 377 362 358 325 C3H8 442 416 414 386 Note: Table made from bar graph.
FR test 1 FR test 2 14 h 800 C CO 368 401 Did not achieve 90% C3H6 372 396 478 NO 363 396 556 C2H4 379 407 500 C3H8 409 543 620 Note: Table made from bar graph.
Fourier Transform Infrared Spectroscopy Gas Analyzer (FTIR) was incorporated with the transient engine dynamometer test facility for measuring unregulated emission pollutants such as carbon monoxide (CO), carbon dioxide (CO2), nitric oxide (NO), nitrogen dioxide (NO2), nitrous oxide (N2O), water (H2O), ammonia (NH3), sulfur dioxide (SO2), formaldehyde (HCHO), acetaldehyde (CH3CHO), formic acid (HCOOH), acetic acid (CH3COOH), methanol (CH3OH), ethanol (C2H5OH), methane (CH4), Acetylene (C2H2), ethylene (C2H4), ethane (C2H6), propene (C3H6), propane (C3H8), 1,3-Butadiene (C4H6), iso-butene (C4H8), benzene (C6H6) toluene (C7H8) etc.
- Oxidation of small molecule alkanes (CH4, C2H6, C3H8) and olefins (C2H6, C3H6)
The reactor system should be suitable for the following gas phase reactions - Fischer-Tropsch synthesis,- Sabatier reaction,- Methanol synthesis,- Oxidation of alkanes small molecule (CH4, C2H6, C3H8) and olefins (C2H6, C3H6),- Hydrogenation of unsaturated compounds in the gas phase,- Steam reforming of alkanes,- The reactor should be for operating at atmospheric pressure applications (for oxidation, Hydrierung- and steam reforming reactions) and at higher pressures up to 50 bar (for Fischer-Tropsch synthesis, Sabatier reaction and methanol synthesis).