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Past, Present and Future: A Role for Liquid Biofuels in Transitioning to Net Zero?

Natural Resources 2024年第5期15卷 107-124页

作者： David Michael Mousdale Beò carta Ltd. Glasgow United Kingdom

Over the last decade, the uptake rate of first-generation biofuels (ethanol and biodiesel) has decelerated as low blend limits have increased only slowly and extreme volatility in oil prices has limited investment in biofuels production infrastructure. Concerns over the environmental impacts of large-scale biofuels production combined with tariff barriers have greatly restricted the global trade in biofuels. First-generation biofuels produced either by fermentation of sugars from maize or sugarcane (ethanol) or transesterification of triglycerides (biodiesel) presently contribute less than 4% of terrestrial transportation fuel demand and techno-economic modelling foresees this only slowly increasing by 2035. With internal combustion and diesel engines widely anticipated as being phased out in favour of electric power for motor vehicles, a much-reduced market demand for biofuels is likely if global demand for all liquid fuels declines by 2050. However, second-generation, thermochemically produced and biomass-derived fuels (renewable diesel, marine oils and sustainable aviation fuel) have much higher blend limits;combined with policies to decarbonise the aviation and marine industries, major new markets for these products in terrestrial, marine and aviation sectors may emerge in the second half of the 21st century.

关键词： Biofuels Ethanol Biodiesel renewable diesel Sustainable Aviation Fuel Biomass

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A review of conventional and renewable biodiesel production

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Chinese Journal of Chemical Engineering 2021年第12期34卷 1-17页

作者： P.Vignesh A.R.Pradeep Kumar N.Shankar Ganesh V.Jayaseelan K.Sudhakar Department of Mechanical Engineering Indira Institute of Engineering and TechnologyTiruvallurIndia Department of Mechanical Engineering Dhanalakshmi College of EngineeringChennaiIndia Department of Mechanical Engineering Kingston College of EngineeringVelloreIndia Department of Mechanical Engineering Prathyusha Engineering CollegeChennaiIndia Faculty of Mechanical and Automotive Engineering Technology Universiti Malaysia Pahang26600 PekanPahangMalaysia Automotive Engineering Centre Universiti Malaysia Pahang26600 PekanPahangMalaysia

The need for sustainable fuels has resulted in the production of renewables from a wide range of sources,in particular organic fats and *** use of biofuel is becoming more widespread as a result of environmental and economic *** efforts have been made to substitute fossil fuels with green *** molecules extracted from processed animal fats and organic plant materials are considered alternatives for the use in modern engine *** different methods have been adopted for converting esters in vegetable oils/animal fats into compounds consistent with petroleum products,namely the transesterification and the hydro-processing of ester bonds for the production of *** review paper primarily focuses on conventional and renewable biodiesel feedstocks,the catalyst used and reaction kinetics of the production process.

关键词： Biofuel Methy esters from fatly acids renewable diesel Kinetics Catalyst Transesterification

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