An overview of polyoxymethylene dimethyl ethers as alternative fuel for compression ignition engines

Liu, Junheng; Wang, Lejian; Wang, Pan; Sun, Ping; Liu, Haifeng; Meng, Zhongwei; Zhang, Youmin; Ma, Hongjie

doi:10.1016/j.fuel.2022.123582

Cited by 49 publications

(12 citation statements)

References 199 publications

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“…Table 1. Fuel properties at different degree of polymerization (Pélerin et al, 2020;Liu et al, 2022;Omari et al, 2019;Norhafana et al To explore the possible practical uses of OME in existing engines, some important aspects need to be considered. The size of the fuel tanks should be increased due to the small LHV mentioned above.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Oxymethylene Ether in a Commercial Diesel Engine

Virt

Arnold

2022

CogSust

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Oxymethylen Ether (OME) is a promising alternative fuel for diesel engines. It can be produced sustainably, and its combustion is clean and efficient. This study investigates the effects of different OME3-5 mixtures on emissions and combustion. The measurements were done on a four-cylinder common rail commercial diesel engine equipped with an exhaust gas recirculation system (EGR). Five different blends of OME3-5 and B7 diesel were applied with 0, 7, 15, 25 and 45 vol% OME3-5 content at four loads. The NOx–PM trade-off was investigated at 11 EGR rates for each mixture at each load. Increasing OME3-5 mixing ratio reduced the PM emission, improved the NOx–PM trade-off, and increased the brake thermal efficiency. The maximum achieved PM emission reduction was 86.8% for high loads. However, NOx emission increased, and also low heat capacity and viscosity can be a problem for real applications

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Section: Introductionmentioning

confidence: 99%

“…The high vapor pressure of OME further increases this danger, but vapor escape can be impeded by sealed fuel tanks. This compound is non-biodegradable, and it is harmful for the ecosystem, thus the accidental release of the fuel into the environment must be avoided (Liu et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Effects of Oxymethylene Ether in a Commercial Diesel Engine

Virt

Arnold

2022

CogSust

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“…Due to these advantageous properties, OME 3 − 5 has been certified as fuel according to the DIN 51,699 standard, which is a pre-requisite for its market introduction.Interest in OME has been growing rapidly since 2010 [3,4]. The majority of OME publications deal with synthesis and motor applications, which have been summarized in a number of review papers [1,[4][5][6][7][8][9][10][11]. In contrast, not much is known about the chemical properties of OME 3 − 5 .…”

mentioning

confidence: 99%

“…Interest in OME has been growing rapidly since 2010 [3,4]. The majority of OME publications deal with synthesis and motor applications, which have been summarized in a number of review papers [1,[4][5][6][7][8][9][10][11]. In contrast, not much is known about the chemical properties of OME 3 − 5 .…”

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confidence: 99%

Stability and Reactivity of a Polyoxymethylene Dimethyl Ether over Typical Catalysts for Diesel Emission Control

Elsener

Jacob²,

Ferri

et al. 2022

Top Catal

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Polyoxymethylene dimethyl ethers (OME) produced from methanol are considered as potential substitutes of Diesel fuel. Emissions of formaldehyde and other components have been observed, particularly under cold-start conditions in engine test-bench experiments with OME fuel. In this study, the reactivity of OME3 (CH3O(CH2O)3CH3) and its decomposition products was studied in the temperature range 80–450 °C in a model gas test bench over V2O5/WO3/TiO2 and Cu-CHA SCR catalysts, a platinum-coated V2O5/WO3/TiO2 ammonia slip catalyst (ASC) and two diesel oxidation catalysts (DOC), based on platinum and platinum-palladium. Already at 80 °C, OME3 was largely hydrolyzed to methanol and formaldehyde over all catalysts. At temperatures above 150 °C, V2O5/WO3/TiO2 oxidized methanol and formaldehyde to CO via formic acid as intermediate. The platinum ASC showed a similar behavior but oxidized the decomposition products to CO2. Whereas Cu-CHA hydrolyzed OME3 quantitatively to methanol and formaldehyde, it did not show oxidation activity in the studied temperature range. The data indicate that the release of significant amounts of OME from a catalytic converter can be virtually ruled out under cold start conditions, but also that low temperature hydrolysis produces formaldehyde and methanol emissions.

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“…When oil and its derivative fuels are burned, they cause the release of gases, which are described as greenhouse gases. Internal combustion engines are shown at the top of the emission sources of these GHG that cause global warming [1][2][3]. Diesel vehicles, commonly used in our society, are the most consumed of petroleum origin fuels.…”

Section: Introductionmentioning

confidence: 99%

The use of high molecular iso-amyl alcohol as an alternative fuel for compression ignition engines

Vural

2022

THERM SCI

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Currently, many studies are being conducted to improve the emissions and combustion of diesel fuels of diesel vehicles. The majority of these studies consist of alcohol-derived fuels. Alcohol fuels are usually composed of butanol, methenol, and ethanol fuels. However, a high molecular alcohol such as iso-amyl with a high calorific value, which can be produced from sugar beet pulp, is the focus of more attention. Iso-amyl alcohol, chemical formula (CH3)2CH-CH2CH2-OH, oxygen rich, can mix with solvents such as ether, photography, pharmaceutical industry, milk oil quantity determination and synthesis, used in a colorless, foul-smelling liquid. In this study, the effects of the addition of iso-amyl alcohol to diesel fuel in order to reduce Diesel engine emissions were examined. For this purpose, 5%, 10%, and 20% iso-amyl alcohol were added to the diesel fuel. The resulting mixtures were subjected to full fuel analysis, unlike other studies. After that, the fuel mixtures in a Diesel engine at different engine speeds at full load (1400 rpm, 1700 rpm, 2000 rpm, 2300 rpm, 2600 rpm, 2900 rpm. and 3200 rpm) were tried. As a result of the experiments, it was determined that the contribution of iso-amyl alcohol caused a 1% -3% reduction in cylinder pressure, 12-20% in power, and 8-25% in torque. Furthermore, when examined in terms of exhaust gas emissions, it decreased in NOx emission by 1-10%, in smoke opacity by 9-36%, and in HC emission by 6-44%.

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An overview of polyoxymethylene dimethyl ethers as alternative fuel for compression ignition engines

Cited by 49 publications

References 199 publications

Effects of Oxymethylene Ether in a Commercial Diesel Engine

Effects of Oxymethylene Ether in a Commercial Diesel Engine

Stability and Reactivity of a Polyoxymethylene Dimethyl Ether over Typical Catalysts for Diesel Emission Control

The use of high molecular iso-amyl alcohol as an alternative fuel for compression ignition engines

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