Flash points of gasoline from Kukersite oil shale : Prediction from vapor pressure
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Kuupäev
2018
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Abstrakt
The flash point of liquid fuels, especially of light distillates such as gasoline or naphtha,
is an important parameter for the handling of such materials. In this work, flash points and
volatility characteristics (vapor pressure, boiling point) of a numbe
r of shale gasoline samples
with different volatilities were measured. The shale gasoline fractions were produced from
Kukersite oil shale using solid heat carrier retorting technology. Several existing correlations for
calculating flash points of hydrocar
bons and petroleum fractions are evaluated, and the absolute
average deviations were found to be between 1.1 to 20.9
°C
. New, easy
-
to
-
use correlations are
proposed for estimating flash points for oil shale based gasolines from volatility characteristic
tha
t are readily available. The correlation proposed in this work are based on the vapor pressure
at 20 or 37.8
°C
(100
°F
), Reid vapor pressure (37.8
°C
) or boiling point. The average absolute
deviations for these correlations were 0.82 to 0.93
°C
, meaning t
hey are comparable to or better
than existing methods developed for petroleum oils, which mostly use boiling point as the input
parameter, when applied to gasoline from Kukersite oil shale.
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Märksõnad
oil shale, gasoline, flash point, closed cup, correlations, vapor pressure, Reid vapor pressure, boiling point, alternative fuel, mineral oil, articles