LP-Gas - A Superior Motor Fuel

Baxter, M. C.

doi:10.4271/670054

Cited by 6 publications

(1 citation statement)

References 4 publications

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“…For diesel cars concentrations tend to be lower, whereas oxygenated fuels give higher concentrations. Data on LPG-fuelled engines are scarce [1,2,17,18]. In one study, however, the same cars were fuelled alternatively with LPG and gasoline [19]: the emission of aldehydes from the LPG compared unfavourably with gasoline.…”

Section: Occurrence and Measurement Of Aldehydes In Exhaust Cases Of mentioning

confidence: 99%

The determination of aldehydes in the exhaust gases of LPG fuelled engines

et al. 1988

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SummaryThe exhaust gas of a LPG fuelled engine is drawn through two bubblers in series in an ice bath, and filled with saturated 2,4-dinitrophenylhydrazine in 2M HCI. After heating the derivatives are extracted with toluene-cyclohexane and l gl samples injected "on-column" on a OVl capillary Column. Using an FID the lower limit of detection is 15-18pg for formaldehyde (about 8--10 ppbv for a 161 exhaust sample). Taking the blank into account, the limit is about 40ppbv.The exhaust gases of a LPG-fuelled engine contain formaldehyde, acetaldehyde, propionaldehyde, acrolein and acetone. Carbonyl compounds of more than 3 C-atoms were not found in detectable amounts. The engine was fund under stoichiometric, lean and rich air/fuel conditions. Under rich conditions the concentrations of the aldehydes were: formaldehyde 2.8ppm, acetaldehyde 1.3 ppm, propionaldehyde 0.06 ppm, acrolein 0.03 ppm, acetone 0.17ppm; under stoichiometric conditions: 4.5, 1.6, 0.10, 0.03 and 0.18ppm respectively; under lean conditions 17.0, 2.9, 0.13, 0.07 and O.27ppm respectively. These figures demonstrate the necessity of measuring aldehydes in exhaust gases of LPG-fuelled engines.lean misfire limit of an LPG-fuelled engine extends well beyond the limit with gasoline and can be used to achieve low emission levels of regulated pollutants (hydrocarbons, oxides of nitrogen, carbon monoxide). However, the problem of obtaining a suitable LPG engine with proper carburation and ignition design, hinders full utilization of LPG as a "clean" motor fuel. Moreover, the use of LPG as a motor fuel depends largely on the fuel tax policy of the various countries.

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Section: Occurrence and Measurement Of Aldehydes In Exhaust Cases Of mentioning

confidence: 99%

The determination of aldehydes in the exhaust gases of LPG fuelled engines

et al. 1988

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LP-Gas Fuel Systems—Design and Performance

Coon

Abbott²

1973

LP-Gas Engine Fuels

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Engine test information was combined with physical carburetor measurements to produce correlations which can be used for design purposes. The correlations were phrased in terms of dimensionless groups of variables. A method, based on the correlations, of extending the versatilit of engine test results was proposed. In addition, preliminary results were presented for tests conducted with a rotary engine operating on LP-Gas.

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Thermodynamic Properties of Methane and Air, and Propane and Air for Engine Performance Calculations

Starkman¹,

Newhall²

1967

SAE Technical Paper Series

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LP-Gas - A Superior Motor Fuel

Cited by 6 publications

References 4 publications

The determination of aldehydes in the exhaust gases of LPG fuelled engines

The determination of aldehydes in the exhaust gases of LPG fuelled engines

LP-Gas Fuel Systems—Design and Performance

Thermodynamic Properties of Methane and Air, and Propane and Air for Engine Performance Calculations

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