Hydrogenated monoterpenes as diesel fuel additives

Tracy, Noah I.; Chen, Daichuan; Crunkleton, Daniel W.; Price, Geoffrey L.

doi:10.1016/j.fuel.2009.02.002

Cited by 104 publications

(81 citation statements)

References 17 publications

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“…Among various monoterpenes, we were interested in pinene, limonene and linalool, which have been explored as precursors for alternative aviation fuels (Harvey et al, 2010;Meylemans et al, 2011;Tracy et al, 2009). The low This article is protected by copyright.…”

Section: Production Of Other Jet Fuel Precursor Monoterpenesmentioning

confidence: 99%

“…The low This article is protected by copyright. All rights reserved 14 freezing point of hydrogenated limonene makes it a good candidate to enhance cold weather performance in jet fuel mixtures (Tracy et al, 2009 Harvey et al, 2010). Linalool has also been used as a precursor for the high-density fuel RJ-4 (a liquid rocket propellant used in missiles and a component of jet fuel) via olefin metathesis, dehydration and dimerization (Meylemans et al, 2011).…”

Section: Production Of Other Jet Fuel Precursor Monoterpenesmentioning

confidence: 99%

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Production of jet fuel precursor monoterpenoids from engineered Escherichia coli

Mendez-Perez

Alonso-Gutierrez

et al. 2017

Biotech & Bioengineering

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Monoterpenes (C 10 isoprenoids) are the main components of essential oils and are possible precursors for many commodity chemicals and high energy density fuels. Monoterpenes are synthesized from geranyl diphosphate (GPP), which is also the precursor for the biosynthesis of farnesyl diphosphate (FPP). FPP biosynthesis diverts the carbon flux from monoterpene production to C 15 products and quinone biosynthesis. In this study, we tested a chromosomal mutation of E. coli's native FPP synthase (IspA) to improve GPP availability for the production of monoterpenes using a heterologous mevalonate pathway. Monoterpene production at high levels required not only optimization of GPP production but also a basal level of FPP to maintain growth. The optimized strains produced two jet fuel precursor monoterpenoids 1,8-cineole and linalool at the titer of 653 mg/L and 505 mg/L, respectively, in batch cultures with 1% glucose. The engineered strains developed in this work provide useful resources for the production of high-value monoterpenes. This article is protected by copyright. All rights reserved Acc e p ted P r e p r i nt

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Section: Production Of Other Jet Fuel Precursor Monoterpenesmentioning

confidence: 99%

Section: Production Of Other Jet Fuel Precursor Monoterpenesmentioning

confidence: 99%

Production of jet fuel precursor monoterpenoids from engineered Escherichia coli

Mendez-Perez

Alonso-Gutierrez

et al. 2017

Biotech & Bioengineering

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“…Limonene is also an important plant monoterpene precursor of several fine chemicals, flavorings, fragrances, and pharmaceuticals such as carveol, carvone, perillyl alcohol and menthol [2][3][4][5][6]. In addition, the hydrogenated form of limonene can be used as fuel [7]. However, the major supply of limonene is limited to plant sources currently.…”

Section: Introductionmentioning

confidence: 99%

Enhanced limonene production by optimizing the expression of limonene biosynthesis and MEP pathway genes in E. coli

et al. 2014

Bioresour. Bioprocess.

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Background: Limonene is an important monoterpene used as a chemical commodity and precursor for producing biofuels, flavor and medicinal compounds. Results: In this paper, we engineered Escherichia coli by embedding two exogenous genes encoding a limonene synthase (LS) and a geranyl diphosphate synthase (GPPS) for production of limonene. Out of 12 E. coli strains transformed with various plasmids, the best one with p15T7-ls-gpps produced limonene with a titer of 4.87 mg/L. In order to enhance the limonene production, two rate-limiting enzymes in the endogenous MEP pathway of E. coli, 1-deoxy-xylulose-5-phosphate synthase (DXS) and isopentenyl diphosphate isomerase (IDI), were overexpressed consecutively on vector pET21a+, resulting in a production of 17.4 mg limonene /L at 48 h. Conclusions: After the preliminary optimization of the medium in a two-phase culture system composed of n-hexadecane (1/50, V org /V aq ), the final production of limonene was raised up to 35.8 mg/L, representing approximately a 7-fold improvement compared to the initial titer.

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“…These four molecules have recently been shown for microbial production in engineered E. coli strains [10][11][12]. While fully saturated limonene (through hydrogenation) has been investigated in combustion engines [18], it has not been investigated as an additive. C5 alcohols and isobutanol are also of interest to the biofuel community and have been investigated as potential fuels in combustion engines [19][20], though their effect on knock resistance has not been fully explored.…”

Section: Introductionmentioning

confidence: 99%

Investigation of biofuels from microorganism metabolism for use as anti-knock additives

Mack

Rapp

Broeckelmann

et al. 2014

Fuel

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This paper investigates the anti-knock properties of biofuels that can be produced from microorganism metabolic processes. The biofuels are rated using Research Octane Number (RON) and Blending Research Octane Number (BRON), which determine their potential as additives for fuel in spark ignition (SI) engines. Tests were conducted using a single-cylinder Cooperative Fuel Research (CFR) engine and performance of the biofuels was compared to primary reference fuels (PRFs). The investigated fuels include 3-methyl-2-buten-1-ol, 3-methyl-3-buten-1-ol, 2-methylpropan-1-ol (isobutanol), and limonene. Results show that 3-methyl-2-buten-1-ol, 3-methyl-3-buten-1-ol, and 2-methylpropan-1-ol (isobutanol) sufficiently improve the anti-knock properties of gasoline.

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Hydrogenated monoterpenes as diesel fuel additives

Cited by 104 publications

References 17 publications

Production of jet fuel precursor monoterpenoids from engineered Escherichia coli

Production of jet fuel precursor monoterpenoids from engineered Escherichia coli

Enhanced limonene production by optimizing the expression of limonene biosynthesis and MEP pathway genes in E. coli

Investigation of biofuels from microorganism metabolism for use as anti-knock additives

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