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In the last decades, inedible lignocellulosic biomasses have attracted significant attention for being abundant resources that are not in competition with agricultural land or food production and, therefore, can be used as starting renewable material for the production of a wide variety of platform chemicals. The three main components of lignocellulosic biomasses are cellulose, hemicellulose and lignin, complex biopolymers that can be converted into a pool of platform molecules including sugars, polyols, alchols, ketons, ethers, acids and aromatics. Various technologies have been explored for their one-pot conversion into chemicals, fuels and materials. However, in order to develop new catalytic processes for the selective production of desired products, a complete understanding of the molecular aspects of the basic chemistry and reactivity of biomass derived molecules is still crucial. This Special Issue reports on recent progress and advances in the catalytic valorization of cellulose, hemicellulose and lignin model molecules promoted by novel heterogeneous systems for the production of energy, fuels and chemicals.

n/a --- hemicellulose --- catalytic transfer hydrogenolysis reactions --- furfural --- ZSM-5 --- syngas --- renewable aromatics --- Diels–Alder --- lignin --- hydroisomerization --- levulinic acid --- bio-oil upgrade --- metal ferrites --- aromatic ethers --- hierarchical zeolites --- Chilean natural zeolites --- bioethanol --- renewable p-xylene --- desilication --- dimethylfuran --- GC/MS characterization --- biomass --- H-donor molecules --- heterogeneous catalysis --- polyols --- Brønsted acids sites --- spinels --- solketal --- glycerol --- chemical-loop reforming --- zeolite --- cellulose --- insulating oils --- hydrogenolysis --- lignocellulosic biomasses --- bio-insulating oil --- glycidol --- Diels-Alder

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This book provides a collection of research and review articles useful for researchers, engineers, students and industry experts in the bioenergy field. The practical and valuable information can be utilized for developing and implementing renewable energy projects, selecting different waste feedstocks, technologies, and products. A detailed insight into advanced technologies such as hydrothermal liquefaction, torrefaction, and supercritical CO2 extraction for making sustainable biofuels and chemicals is provided. A case study on food waste-to-energy valorization processes in Latin America provides experts’ insights to promote a circular economy.

Research & information: general --- Koelreuteria paniculata biodiesel --- non-edible feedstock --- transesterification --- physicochemical characterization --- optimization --- phenol --- hydrogenation --- Ni/CNT --- cyclohexanol --- transfer hydrogenation --- microalga --- fatty acid --- Vietnam --- Nannochloropsis --- Desmodesmus --- lignocellulosic --- bio-oil --- biocrude --- upgrading --- supercritical extraction --- supercritical CO2 --- hydrotreatment --- biorefinery --- pyrolysis --- hydrothermal liquefaction --- torrefaction --- oats --- maize --- straw --- biochar --- centralized waste valorization --- lifecycle thinking --- AHP --- side flow --- anaerobic digestion --- composting --- rice straw --- bio-crude --- methanol --- phenols --- esters --- energy-consumption ratio

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Developing active, selective and energy-efficient heterogeneous catalysts is of paramount importance for the production of high value-added products from energy resources in a more sustainable manner. In this Special Issue of Energies, we provide a showcase of the latest progress in the development of cleaner, more efficient processes for the conversion of these feedstocks into valuable fuels, chemicals and energy. Most of the works collected are focused on the conversion of biomass which clearly reflects the paramount importance that the biorefinery concept will play in the years to come.

biogas --- syngas production --- DRM --- Ni catalyst --- bi-metallic catalyst --- ceria-alumina --- ceria --- glycerol --- methanol --- biodiesel --- red jujube branch --- hydrothermal carbonization --- hydrochar --- energy recovery efficiency --- solid fuel --- toluene --- steam reforming --- GHSV --- S/C ratio --- coke formation --- Mo2C catalysts --- nanostructured carbon materials --- hydrodeoxygenation of guaiacol --- carbothermal hydrogen reduction --- drop-in fuels --- biomass --- bio-oil --- pyrolysis --- spark engine --- gasoline --- levulinic acid --- γ-valerolactone --- hydrogen from water --- Zn: Ni --- sepiolite --- attapulgite --- Ru nanoparticles --- activated carbon --- one-pot hydrolytic hydrogenation --- cellulose conversion --- sorbitol

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Elastomer materials are characterized by their high elongation and (entropy) elasticity, which makes them indispensable for widespread applications in various engineering and medical areas as well as consumer goods. This book focuses on the state-of-the-art of elastomers covering all aspects from their properties to applications. The development and testing of advanced elastomers is of particular interest. Attention is given to various aspects of elastomers, such as ever-increasing environmental concepts dealing with recyclability and reusability, incorporation of functional groups or additives to obtain novel functionality or bioelastomers, analytical description of mechanisms and structure relations of the fracture behavior of elastomers, and their external stimuli-responsive character. The scope of the book encompasses contributions at the frontier of science in polymer network synthesis, experimental and theoretical physics of polymer networks, and new structures and functionalities incorporated into elastomers leading to enhanced properties of crosslinked elastomeric materials, among others.

History of engineering & technology --- magnetorheological elastomer --- filler --- hetero-aggregation --- nanosized Ni-Mg cobalt ferrites --- electrical resistance --- resistivity --- rheological properties --- elastomers --- in-situ silica --- friction --- abrasion --- tear fatigue test --- buffing dust collagen (BDC) --- styrene-butadiene rubber (SBR) --- polymer composites --- biodegradation --- bio-oil --- bio-based plasticizer --- eco-friendly plasticizer --- acrylonitrile-butadiene rubber --- NBR --- mechanical testing --- thermo-oxidative aging --- vulcanized rubber --- rubber compounds --- carbon black --- vibration damping --- viscoelasticity --- magnetorheological --- elastomer --- magnetic particle --- viscoelastic --- rheological --- smart materials --- coating --- particle coating

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This book provides a collection of research and review articles useful for researchers, engineers, students and industry experts in the bioenergy field. The practical and valuable information can be utilized for developing and implementing renewable energy projects, selecting different waste feedstocks, technologies, and products. A detailed insight into advanced technologies such as hydrothermal liquefaction, torrefaction, and supercritical CO2 extraction for making sustainable biofuels and chemicals is provided. A case study on food waste-to-energy valorization processes in Latin America provides experts’ insights to promote a circular economy.

Research & information: general --- Koelreuteria paniculata biodiesel --- non-edible feedstock --- transesterification --- physicochemical characterization --- optimization --- phenol --- hydrogenation --- Ni/CNT --- cyclohexanol --- transfer hydrogenation --- microalga --- fatty acid --- Vietnam --- Nannochloropsis --- Desmodesmus --- lignocellulosic --- bio-oil --- biocrude --- upgrading --- supercritical extraction --- supercritical CO2 --- hydrotreatment --- biorefinery --- pyrolysis --- hydrothermal liquefaction --- torrefaction --- oats --- maize --- straw --- biochar --- centralized waste valorization --- lifecycle thinking --- AHP --- side flow --- anaerobic digestion --- composting --- rice straw --- bio-crude --- methanol --- phenols --- esters --- energy-consumption ratio