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Showing 1 to 16 of 16 for “"platform chemicals"”.
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Catalytic biomass conversion and upgrading into platform chemicals and liquid fuels
… biomass conversion and upgrading into versatile platform chemicals as well as oxygenated biodiesel and premium hydrocarbon kerosene/jet fuels is described in this dissertation. The chief motivation of using annually renewable biomass as the source of chemical building blocks and transportation …
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Feasibility for value addition to sucrose in South Africa through conversion to platform chemicals
… has moved with the less inflationary global platform. Together, these have made the industry less economically viable. This has led to a need for value addition to sucrose and to eliminate the dependency on a single commodity. Re-positioning of sugar into value-added products has potential to …
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Understanding the active sites of Mg-Al oxide catalysts in the formation of aromatic platform chemicals from acetaldehyde
… BTX (benzene, toluene, and xylenes)-like platform chemicals traditionally produced from petroleum naphtha. The acid-base properties of the catalyst must be carefully designed in order to selectively promote the multiple condensation-cyclodehydration mechanisms, yet it is not clear what the …
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Optimising the Wider Energy Metabolome of Microbes Using Targeted UHPLC-MS/MS Present in Bio-Electrochemical Systems for Carbon Dioxide Conversion to Platform Chemicals
… and validating a rapid, sensitive UHPLC-MS/MS platform for simultaneous quantification of the key intracellular energy metabolites that govern redox balance, energy charge, and carbon flux in industrial microorganisms. The method was designed to improve and optimise quenching, extraction, and …
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An Integrated Process for Catalytical Conversion of Simple Sugars into Platform Chemicals, HMF and FDCA: Catalysis, Continuous Flow Reactor Design, Valorization of Waste By-Product
… such as glucose and fructose, into bio-based platform chemicals plays a crucial role in advancing sustainable chemical production. 5-Hydroxymethylfurfural (HMF) and 2,5-furandicarboxylic acid (FDCA) are particularly valuable due to their potential as renewable substitutes for petroleum-derived …
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Biocatalytic conversion of cellulose towards itaconic acid
… resource for the sustainable production of platform chemicals such as itaconic acid. The biocatalytic conversion of cellulose is a very promising approach due to its high selectivity, mild conditions, and low exergy loss. However, such biocatalytic processes are still seldom applied at the …
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Surface-Layer Semivolatiles Impact on Hydrochar Application For Fuel and Environment
… producing compounds that are regarded as platform chemicals. Cascading valorization schemes combining HTC and pyrolysis were investigated to optimize bio-oil and biochar yields. Clay catalysts were integrated into these processes to enhance bio-oil quality, with strategic insertion points …
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Transformation of biomass carbohydrates by transition metal catalysts
… from biomass derived carbohydrates, valuable platform chemicals can be generated from renewable sources. Through dehydration chemistry glucose can be upgraded into 5-(Hydroxymethyl)-2-furfuraldehyde (HMF) and levulinic acid. Iron (III) chloride hexahydrate has shown moderate activity to …
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Catalytic Conversion of Lignocellulosic Biomass to Carboxylic Acids and Derivatives
… transformation of biomass into high value added chemicals is advantageous to secure optimal use of the biomass resources from economical and ecological perspectives. Therefore, it is important for a modern biorefinery to integrate fuel and chemical production from biomass derived platform …
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An Examination of γ-valerolactone Ring Opening and Decarboxylation in Multiphase System and Over Various Solid Acid Catalysts
… (GVL) is an example of biomass-derived platform chemicals that provides multiple commercial potentials. Of interest here is the acid-catalyzed ring opening of GVL to form pentenoic acid (PEA) isomers and following decarboxylation to produce butenes. In this study, GVL ring opening, and …
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An Examination Of Γ-valerolactone Ring Opening And Decarboxylation In Multiphase System And Over Various Solid Acid Catalysts
… (GVL) is an example of biomass-derived platform chemicals that provides multiple commercial potentials. Of interest here is the acid-catalyzed ring opening of GVL to form pentenoic acid (PEA) isomers and following decarboxylation to produce butenes. In this study, GVL ring opening, and …
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Effects of phosphorus on bond rupture during hydrodeoxygenation and dehydrogenation reactions on ruthenium
… and convert biomass derived intermediates into platform chemicals and fuels. TMP catalysts are also active for alkane dehydrogenation, which is especially useful given the recent discovery of large shale-gas reserves. Here, we studied the effect of P atom on light alkane dehydrogenation and coke …
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Exploring hydrothermal reactions : from prebiotic synthesis to green chemistry
… another reaction. In a green chemistry approach platform chemicals must be produced from sustainable resources. Carbohydrates can for instance be employed as a basis. They can be transformed to levulinic acid and formic acid, which can both react via a transfer hydrogenation to the green solvent …
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Renewable imidazolium zwitterions as platform molecules for the synthesis of ionic liquids and materials
Following the principles of green chemistry, a simple and efficient synthesis of functionalised imidazolium zwitterionic compounds from renewable resources was developed based on a modified one-pot Debus-Radziszewski reaction. The combination of different carbohydrate-derived 1,2-dicarbonyl …
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Conversion of waste organic carbon and nutrient streams to renewable fuels through integrated biological funneling and catalytic hydrothermal upgrading
… products such as transportation-ready fuels or platform chemicals. Towards this vision, continued development of advanced methods for microbiological carbon accumulation and nutrient capture coupled with aqueous catalytic upgrading of the resultant biomass storage products presents two promising …
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Beyond bottlenecks: expression of complementary enzymes and permeabilization of cell membranes to improve performance of CYP153A6 in Escherichia coli whole cell biocatalysis
… for the activation of linear alkanes into platform chemicals. However, bulk chemicals require higher titres, rates and yields than fine chemicals to be economically viable. Application of these enzymes in vitro is hampered by low biocatalyst stability, inhibitory upstream processing costs, …