Chemistry and combustion of fit-for-purpose biofuels

Rothamer, David; Donohue, Timothy J.

doi:10.1016/j.cbpa.2013.03.039

Cited by 6 publications

(4 citation statements)

References 38 publications

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“…As depicted in Figure , fuel design, i.e., tailoring the molecular structure of a fuel to the specific needs of an internal combustion engine, does assume an understanding of how chemical structure determines physicochemical fuel properties and how these properties impact engine performance. Although these relationships are complex and not fully understood, some general trends can be derived from experience with fossil fuels of varying composition but also from experience with a range of potential renewable fuels. ,− This section is dedicated to this discussion.…”

Section: Physicochemical Fuel Propertiesmentioning

confidence: 99%

Model-Based Design of Tailor-Made Biofuels

2016

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Oxygenates derived through the selective catalytic refunctionalization of carbohydrates of lignocellulosic biomass can be tailored to exhibit desired physicochemical fuel properties that unlock the full potential of advanced internal combustion engines. Considering the fuel’s molecular structure to be a design degree of freedom, we present a framework for model-based fuel design that is envisioned to guide experimental investigation toward the most promising molecular entities. Following a generate-and-test approach to computer-aided molecular design, a novel rule-based generator of molecular structures is introduced to refunctionalize and join molecular graphs of predefined biobased intermediates in an attempt to resemble carbon- and energy-efficient biofuel synthesis. Computational property prediction is employed to virtually screen the generated structures with regard to key physicochemical fuel properties, e.g., the derived cetane number or fuel volatility. Two case studies are dedicated to the identification of biofuel components for use in (i) spark-ignition and (ii) compression-ignition engines.

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Section: Physicochemical Fuel Propertiesmentioning

confidence: 99%

Model-Based Design of Tailor-Made Biofuels

2016

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“…The demand in biofuel usage has raised the diversity of microorganisms in strain optimization in production of biofuel at industrial sectors in large scale. The engineered microorganisms (E.coli, S. cerevisae and Yarrowia lipolytica) are more effective in the production of advanced biofuel from lignocellulosic biomass 74 . In recent years isobutanol and n butanol has become more popular because of its low water solubility, anti knock properties and energy densities 75 .…”

Section: Advanced Biofuel Production Through Metabolic Engineeringmentioning

confidence: 99%

Second Generation Biofuel – An Alternate Source of Energy

Devika

Subathra

sudhanan

et al. 2022

Int J Life Sci Pharm Res

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The use of fossil fuels in the current situation has been increased. These fossil fuels do not come under the category of sustainable sources due to its depleting nature. Fossil fuels also pollutes the environment by increased emission of Greenhouse Gases (GHG). In order to produce an alternate renewable energy and to reduce the percentage of environmental pollution caused, many technologies like solar energy, tidal energy, wind energy etc. came into existence. But all these forms of energy can be produced in terms of electricity. To meet the increasing fuel demand, renewable biofuels came into the field where biomasses are utilized to produce biofuels. Second generation renewable biofuels are produced from conventional plant sources with higher oil content whose efficiency is determined by the amount of Green House Gases (GHG) emitted and the life cycle cost whether positive, neutral or negative. High yielding energy crops such as sugarcane, corn, switchgrass, wheat etc. are subjected to various processes / fermentation to yield biofuels like bioethanol, biobutanol, biohydrogen, biodiesel etc. The US and Brazil are replacing the demand for gasoline with around 15% of bioethanol and it has a higher octane rating, increased engine's compression ratio, increased thermal efficiency and ultimately reduces atmospheric pollution emissions. In future biofuels will be recognized as alternative fuel in transportation, energy generation, heat producer, charging electronics, environmental friendly cleaners, cooking, lubricants, adhesives etc. This review provides a brief outline about the second generation biofuels which would serve as an alternative energy in the near future.

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“…Biodiesel fuels can be burned to provide heat or can be used to power diesel engines in e.g. buses, cars, trains and aircraft (Rothamer and Donohue 2013). However, in order to convert vegetable oil or animal fat into a viable source of fuel, it is necessary to lower the flash point, such that it is more combustible and burns more readily.…”

Section: Biodiesel Fuel Synthesismentioning

confidence: 99%

Teaching Green Chemistry Principles to Undergraduate Students

Rozov¹,

Brescia²,

Valdez³

et al. 2015

AJS

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The environment is affected by the actions of mankind in multitudinous ways, many of which are detrimental, giving rise to pollution and toxic waste, ultimately making our planet less inhabitable. While remediation and new regulations help to prevent pollution and toxic waste, there is also a need to change the behavior of future generations of consumers and producers of new products. Future chemists and innovators are charged with the responsibility of developing new chemical processes and products that not only meet the needs of our growing population (in terms of energy, clean water and food), but also protect human health and the environment. Green Chemistry is a revolution in the design of molecules that provides new opportunities for economic development while considering the impact on health and the environment. Green Chemistry utilizes a set of guiding principles, originally provided by Anastas and Warner (Green Chemistry: Theory and Practice, 1998), aimed at decreasing/removing the use/generation of hazardous substances in the design, manufacture and application of products. To help improve the creative and innovative thinking behind Green Chemistry, it is important to expose chemistry students to these principles at the undergraduate level. While suitable Green Chemistry experiments are known, successful implementation requires running test trials and performing additional basic research. We have embarked upon the testing and further design of experiments for implementation into an undergraduate laboratory course and report our results in this endeavor.

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Chemistry and combustion of fit-for-purpose biofuels

Cited by 6 publications

References 38 publications

Model-Based Design of Tailor-Made Biofuels

Model-Based Design of Tailor-Made Biofuels

Second Generation Biofuel – An Alternate Source of Energy

Teaching Green Chemistry Principles to Undergraduate Students

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