Skeletal Isomerization of n-Heptane to Clean Gasoline.
نویسندگان
چکیده
منابع مشابه
Industrial application of catalytic systems for n-heptane isomerization.
The ideal gasoline must have a high pump octane number, in the 86 to 94 range, and a low environmental impact. Alkanes, as a family, have much lower photochemical reactivities than aromatics or olefins, but only the highly branched alkanes have adequate octane numbers. The purpose of this work is to examine the possibilities of extending the technological alternative of paraffin isomerization t...
متن کاملStatistical thermodynamics of the isomerization reaction between n-heptane and isoheptane.
We have employed electronic structure calculations and the recently proposed multi-structural (MS) anharmonicity method to calculate partition functions and thermodynamic quantities, in particular entropy and heat capacity, for n-heptane and isoheptane. We included all structures, of which there are 59 for n-heptane and 37 for isoheptane, and we carried out the calculations both in the local ha...
متن کاملA comparison of the spherical flame characteristics of sub-millimeter droplets of binary mixtures of n-heptane/iso-octane and n-heptane/toluene with a commercial unleaded gasoline
0010-2180/$ see front matter 2011 The Combust doi:10.1016/j.combustflame.2011.08.015 ⇑ Corresponding author. Fax: +1 607 255 1222. E-mail address: [email protected] (C.T. Avedisian). The droplet burning characteristics of binary blends of iso-octane, n-heptane and toluene were studied in an ambience that minimizes external convection and promotes spherical droplet flames. The results are compare...
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Hydrogenation reaction with n-heptane on Pt/Al2O3 catalyst was investigated under the steady state condition in a fixed bed reactor. The catalyst was prepared under a variety of conditions, but the one chosen was non-acidic that is not considered a hydrocracking catalyst. The main objective was to vary the selectivity of n-heptane as a function of reaction variables es...
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The use of oxygenated fuels in spark ignition engines (SIEs) has gained increasing attention in the last few years, especially when coming from renewable sources, due to the shortage of fossil fuels and global warming concern. Currently, the main substitute of gasoline is ethanol, which helps to reduce CO and HC emissions but presents a series of drawbacks such as a low heating value and a high...
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ژورنال
عنوان ژورنال: Journal of the Japan Petroleum Institute
سال: 2004
ISSN: 1346-8804,1349-273X
DOI: 10.1627/jpi.47.1