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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"biomass upgrading"”.
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Promotion of Heterogeneous Acid and Base Catalysts for Biomass Upgrading
… feedstocks, renewable lignocellulosic biomass has received interest as an alternative carbon source for chemicals production. Homogeneous acids and bases have been shown to be active for a wide variety of chemical reactions useful in converting bio-based substrates to existing and novel …
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Rational Design of Supported Metal Catalysts for Carbonyl Reduction During Biomass Upgrading
<p>Ketone hydrogenation:A model system of carbonyl (ketone) hydrogenation, acetone hydrogenation over supported Pt catalysts in the gas-phase fixed bed reactor was investigated to understand both the mechanism and rate controlling steps in a fundamental level. The experiments and outcomes include …
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SYNTHESIS, CHARACTERIZATION, AND KINETIC EVALUATION OF PLANAR AND SUPPORTED HETEROGENEOUS CATALYSTS
An integrated approach for biomass upgrading to fuels requires catalyst synthesis, characterization, and kinetic evaluation. The work was divided in three areas, 1-preparation and characterization of model catalysts containing metal oxide overcoats and metal nanoparticles synthesized by atomic …
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Interactions of biomass derived oxygenates with heterogeneous catalysts in aqueous and vacuum environments
Biomass is one of the most promising replacements for fossil fuels as a feedstock for chemical and transportation fuel production. The combination of low vapor pressure and high polarity of most biomass derived molecules makes water the ideal solvent for biomass upgrading reaction schemes. Metal …
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Metal And Metal Oxide Nanocrystals For Catalysis And Magnetic Applications
… for the hydrodeoxygenation reaction of biomass-derived molecules are strongly dependent on the bimetallic NC compositions and supports. By designing an operando X-ray cell, we identify the active structure under reaction conditions that are responsible for the catalytic performance, and …
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Catalytic Upgrading of Lignin From Biomass
Lignocellulosic biomass is an abundant feedstock that could sustainably offset our dependence on fossil sources for carbon-based fuels and chemicals. The final hurdle to enable wide-scale success of biorefineries is the utilization of lignin, an oxygenated aromatic polymer making up 15-30% of all …
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Catalytic upgrading of muconates for renewable chemical applications
… has been a drastic increase in research towards biomass-derived, sustainable alternatives to petroleum-based processes and products. Notably, commodity chemicals for production of commercial products are exclusively manufactured using feedstocks derived from crude oil refining and currently …