Unraveling the Superior Role of Characterizing Methyl Ester of Isohexene as an Innovative High-Octane Gasoline Mixing Component

Abstract

High concentrations of isoolefinic hydrocarbons can adversely affect the physical, chemical, mechanical, and ecological characteristics of gasoline fuels. One of the solutions to reduce olefin contents is the utilization of the methoxylation process. The current paper declares a perspective toward a gasoline-component-first technique, revealing an innovative highoctane additive on the basis of isoolefinic components, like isohexene. The olefin content of isohexene was 94% volumetrically. This affected the chemical oxidation under atmospheric conditions. Several gasoline fuels and experimental facilities that match European and Russian requirements were used to execute the recent work. The objective of the methoxylation process is to enhance the chemical oxidation fuels to raise the portion of aliphatic hydrocarbon isomers, to decrease unwanted olefin content, as well as to generate high-octane motor ethers as gasoline octane boosters. The product can be defined as methyl ester of isohexene (MEIH). Various MEIH blends have been measured with other gasoline octane boosters and refinery products. The results proved that antidetonation properties of MEIH were higher than those of base gasolines, tertiary amyl methyl ether (TAME), and isohexene and approximately equal to that of methyl tertiary butyl ether (MTBE). Additionally, the results of the calculated MEIH mixing octane rating were from 104.3 to 131.5 for the research method and from 87.5 to 120.0 for the motor method. Likewise, the olefin content of MEIH was 74.2% when the methoxylation process was applied for isohexene. The oxygen content of MEIH was 3.3 wt %, with no oxygen content in the sample of isohexene. Those have been done thanks to the utilization of the methoxylation process of isohexene. Finally, MEIH provided an individual perspective as a liquid transportation fuel with merits over isohexene, in terms of antidetonation properties, olefin contents, as well as a distillation characteristic range.

Alternative Options for Ebullated Bed Vacuum Residue Hydrocracker Naphtha Utilization

“…Oxidation stability of gasoline was found by researchers to deteriorate when olefins, and dienes present therein [47][48][49][50][51][52][53][54]. The data for olefin content (2.1 wt.%) and MAV (1.7 mg/g) of H-Oil naphtha (Figure 2 and Table 1) is an order of magnitude lower than that of FCC gasoline (Figure 11, olefin content of 25.2 wt.%; MAV of 10 mg/g).…”

Advanced Progress and Prospects for Producing High-Octane Gasoline Fuel toward Market Development: State-of-the-Art and Outlook

“…It is worth saying that this oxygenate is still widely used in Russia, EU countries, the Middle East, Africa, and Asia. 119 The largest consumer of MTBE is China. 120 Methanol is the third largest oxygenate on the market, used as an octane booster for motor gasolines.…”

“…However, at the end of the 20th century, studies appeared that proved the contamination of groundwater with ether, in connection with which bans were introduced on its use in 2001 in Japan and in 2006 in the United States and Canada, and the product itself was replaced by bioethanol in these markets. It is worth saying that this oxygenate is still widely used in Russia, EU countries, the Middle East, Africa, and Asia . The largest consumer of MTBE is China …”

The Physicochemical Basis for the Production of Rapeseed Oil Fatty Acid Esters in a Plug Flow Reactor

“…Regarding the apparatus design process, the simplest and most common method used in the industry is the batch reactor of ideal mixing, which is a vessel with a heating element [62,63] and a stirring device [54,64]. Continuous reactors are also widely used in industry-flow-through apparatuses that enable a constant supply of reagents and product withdrawal [64][65][66].…”