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Organic Chemicals
Published in William J. Rea, Kalpana D. Patel, Reversibility of Chronic Disease and Hypersensitivity, Volume 4, 2017
William J. Rea, Kalpana D. Patel
n-Heptane is a standard for octane-rating measurements. Triptane, one of nine isomers of heptane, is used in aviation fuel. All isomers are employed in organic synthesis and are ingredients of gasoline and rubber solvent naphtha and other petroleum solvents that are used as fuels and solvents.94 Gasoline contains up to 0.01% n-heptane.84
Petroleum Processing Catalysts
Published in Alvin B. Stiles, Theodore A. Koch, Catalyst Manufacture, 2019
Alvin B. Stiles, Theodore A. Koch
Alkylation refers to the process typified by that in which iso-butane is added to butene to produce isooctane or triptane. Triptane is the isooctane that is the standard of 100 for octane rating. Alkylation can also be used for the addition of ethylene to benzene.
Clean conversion of methanol to high octane components on ZnI2 catalyst
Published in Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2020
Weiwei Chen, Rui Zong, Jigang Zhao, Xiaolong Zhou, Chenglie Li
The increase in oil yield and triptane yield indicates that tertbutanol really promotes the whole reaction. It participates in the main reaction path. Although excessive tertbutanol will not participate in the main reaction pathway, it converts to byproducts, including 2,4,4-trimethy-1-pentene 2,4,4-trimethyl-2-pentene and 3,4,4-trimethyl-2-pentene, which can all be hydrogenated to provide isooctane with MON near 100 and can therefore be used as ideal components for aviation gasoline blends. Therefore, it may be used as a process for co-production of both triptane and isooctane and both of them are ideal constituents in aviation gasoline formulation.