1-Octanol as CO2-neutral Fuel  for Commercial Vehicle Applications

Graziano, Barbara; Schönfeld, Sascha; Heuser, Benedikt; Pélerin, Dominik

doi:10.1007/s41321-020-0114-7

Cited by 8 publications

(5 citation statements)

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“…1-Octanol is a promising candidate to replace diesel due to its similar characteristics to diesel along with lower soot emissions due to its oxygen content. 1-Octanol as a CO2 neutral fuel for commercial vehicles is studied in [4].…”

Section: Introductionmentioning

confidence: 99%

Dual-Fuel Homogeneous Charge Compression Ignition Engine with Ethanol and 1-Octanol

Grundl¹,

Sundaram²,

Pang³

et al. 2023

World Congress on Momentum, Heat and Mass Transfer

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Due to stricter regulations on exhaust gas emissions in the upcoming Euro 7 emission norms, a deeper onus is put upon developing alternative combustion concepts with renewable fuels, thus increasing the overall internal combustion engine (ICE) efficiency and reducing exhaust emissions. As a part of the Munich Mobility Research Campus (MORE) Project, a serial hybrid vehicle is being developed based on a dual-fuel homogeneous charge compression ignition (HCCI) engine concept operating on a less reactive portinjected fuel of ethanol with a more reactive direct-injected fuel of 1-octanol. The current concept involves injecting 1-octanol early at the end of the intake stroke, so that the mixture formed is highly homogeneous, resulting in extremely low soot emissions, as opposed to a reactivity-controlled compression ignition (RCCI) concept, where the high reactivity fuel is injected shortly before ignition. This paper deals with developing a methodology to simulate the combustion concept for optimizing the boundary operation conditions, such as intake temperature, valve timing, injected amount, etc. Simulation models in 0-D, 1-D and 3-D with computational fluid dynamics (CFD) are developed using ANSYS Chemkin, GT Power, and AVL Fire M software, respectively, integrating a reduced chemical kinetic mechanism. The cylinder pressure curves and heat release characteristics from the simulation model will be validated against testbench measurements for a stable operating point. These validated models will form a baseline for the simulations, which would be further used in optimizing the parameters, such as valve timing, injection quantity, and timing, intake temperature, pressure, etc., for the other application operation points on the serial hybrid powertrain.

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Section: Introductionmentioning

confidence: 99%

Dual-Fuel Homogeneous Charge Compression Ignition Engine with Ethanol and 1-Octanol

Grundl¹,

Sundaram²,

Pang³

et al. 2023

World Congress on Momentum, Heat and Mass Transfer

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“…Potential additives to biosynthetic fuels are alcohols, which are able to reduce emissions and improve combustion characteristics while aiding to achieve drop-in capability. 5 − 7 …”

Section: Introductionmentioning

confidence: 99%

“…The FT-derived olefins allow for subsequent upgrading of such fuels and enable tailor-made fuel properties. Potential additives to biosynthetic fuels are alcohols, which are able to reduce emissions and improve combustion characteristics while aiding to achieve drop-in capability. − …”

Section: Introductionmentioning

confidence: 99%

Auto-Tandem Catalytic Reductive Hydroformylation in a CO₂-Switchable Solvent System

Püschel

Sadowski

Rösler

et al. 2022

ACS Sustainable Chem. Eng.

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Upgradation of olefin-enriched Fischer–Tropsch cuts by the synthesis of alcohols leads to drop-in-capable biosynthetic fuels with low carbon emissions. As an alternative to the conventional two-step production of long-chain alcohols, tandem catalytic systems improve the energy and resource efficiency. Herein, we present an auto-tandem catalytic system for the production of alcohols from olefin–paraffin mixtures. By utilization of a tertiary alkanolamine as the ligand as well as the switchable component in the solvent system, a lean reaction system capable of catalyst recycling was developed. The system was characterized with regard to the switchable solvent separation approach and reaction parameters, resulting in alcohol yields of up to 99.5% and turnover frequencies of up to 764 h –1 . By recycling the catalyst in 10 consecutive reactions, a total turnover number of 2810 was achieved.

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“…This enables the C 5 ‐C 10 liquid FT product fraction to be upgraded, for example, by chemical conversion to alcohols. Several alcohols, such as n ‐octanol, have already been studied in terms of engine influences and showed favorable combustion properties while aiding to reach requirements for drop‐in capability [3,12–15] …”

Section: Introductionmentioning

confidence: 99%

“…Several alcohols, such as n ‐octanol, have already been studied in terms of engine influences and showed favorable combustion properties while aiding to reach requirements for drop‐in capability. [ 3 , 12 , 13 , 14 , 15 ]…”

Section: Introductionmentioning

confidence: 99%

Green Process Design for Reductive Hydroformylation of Renewable Olefin Cuts for Drop‐In Diesel Fuels

et al. 2021

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CO2‐neutral fuels are a way to cleaner and more sustainable mobility. Utilization of bio‐syngas via Fischer‐Tropsch (FT) synthesis represents an interesting route for the production of tailormade biofuels. Recent developments in FT catalyst research led to olefin‐enriched products, enabling the synthesis of alcohol‐enriched fuels by reductive hydroformylation of the C=C bond. Several alcohols have already proven to be suitable fuel additives with favorable combustion behavior. Here, a hydroformylation‐hydrogenation sequence of FT‐olefin‐paraffin mixtures was investigated as a potential route to alcohols. A liquid‐liquid biphasic system with a rhodium/3,3’,3’’‐phosphanetriyltris(benzenesulfonic acid) trisodium salt (TPPTS) catalyst system was chosen for effective catalyst recycling. After optimizing reaction conditions with a model substrate consisting of 1‐octene and n‐heptane the conversion of an actual olefin‐containing C5‐C10 FT product fraction to alcohols in continuously operated processes for 37 h was achieved with a total turnover number of 23679.

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1-Octanol as CO2-neutral Fuel for Commercial Vehicle Applications

Cited by 8 publications

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Dual-Fuel Homogeneous Charge Compression Ignition Engine with Ethanol and 1-Octanol

Dual-Fuel Homogeneous Charge Compression Ignition Engine with Ethanol and 1-Octanol

Auto-Tandem Catalytic Reductive Hydroformylation in a CO₂-Switchable Solvent System

Green Process Design for Reductive Hydroformylation of Renewable Olefin Cuts for Drop‐In Diesel Fuels

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1-Octanol as CO2-neutral Fuel for Commercial Vehicle Applications

Cited by 8 publications

References 0 publications

Dual-Fuel Homogeneous Charge Compression Ignition Engine with Ethanol and 1-Octanol

Dual-Fuel Homogeneous Charge Compression Ignition Engine with Ethanol and 1-Octanol

Auto-Tandem Catalytic Reductive Hydroformylation in a CO2-Switchable Solvent System

Green Process Design for Reductive Hydroformylation of Renewable Olefin Cuts for Drop‐In Diesel Fuels

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Product

Resources

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Auto-Tandem Catalytic Reductive Hydroformylation in a CO₂-Switchable Solvent System