13 Articles found
SusChem Articles
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The Chemical Route to a Carbon Dioxide Neutral World
Excessive CO2 emissions in the atmosphere from anthropogenic activity can be divided into point sources and diffuse sources. The capture of CO2 from flue gases of large industrial installations and its conversion into fuels and chemicals with fast ...
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Concerning the Role of Supercritical Carbon Dioxide in SN1 Reactions
A series of SN1-type reactions has been studied under various conditions to clarify the role of supercritical carbon dioxide (scCO2) as reaction medium for this kind of transformations. The application of scCO2 did not result in higher yields in any ...
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Unconventional Pretreatment of Lignocellulose with Low-Temperature Plasma
Abstract Lignocellulose represents a potential supply of sustainable feedstock for the production of biofuels and chemicals. There is, however, an important cost and efficiency challenge associated with the conversion of such lignocellulosics. ...
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One-Component Aluminum(heteroscorpionate) Catalysts for the Formation of Cyclic Carbonates from Epoxides and Carbon Dioxide
Abstract New neutral and zwitterionic chiral NNO-donor scorpionate ligands 1and 2were designed to obtain new mononuclear and dinuclear NNO-heteroscorpionate aluminum complexes. Reaction of 1with [AlR3] (R=Me, Et) in a 1:1 or 1:2 molar ratio ...
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Chemistry Future: Priorities and Opportunities from the Sustainability Perspective
Abstract To celebrate the 10 year anniversary of ChemSusChem, we as the chairmen of the editorial board are writing this Essay to summarize important scientific contributions to our journal during the past decade in terms of sustainable ...
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Activated Carbons Prepared through H3PO4-Assisted Hydrothermal Carbonisation from Biomass Wastes: Porous Texture and Electrochemical Performance
Hydrothermal treatment of biomass in the presence of phosphoric acid is proposed for the production of activated carbons (ACs). Interestingly, H3PO4 promotes the fixation of carbon atoms in the solid during hydrothermal treatment, which renders ...
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Synthesis of Cross-Linked Ionic Poly(Styrenes) and their Application as Catalysts for the Synthesis of Carbonates from CO2 and Epoxides
A series of di-cationic styrene-functionalized imidazolium-based salts in which the two imidazolium rings are bridged by a functionalized spacer were prepared. The salts were polymerized to afford cross-linked imidazolium-based ionic polystyrene ...
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Back Cover: Early-Stage Capital Cost Estimation of Biorefinery Processes: A Comparative Study of Heuristic Techniques (ChemSusChem 17/2016)
The Back Cover Figure showsthe impact of plant capacity on the Investment cost, with the log scale illustrating economies-of-scale of biorefineries. The size of the bubbles reflects the uncertainty on Investment estimation, especially at the early ...
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Ruthenium-Catalyzed Synthesis of Dialkoxymethane Ethers Utilizing Carbon Dioxide and Molecular Hydrogen
The synthesis of dimethoxymethane (DMM) by a multistep reaction of methanol with carbon dioxide and molecular hydrogen is reported. Using the molecular catalyst [Ru(triphos)(tmm)] in combination with the Lewis acid Al(OTf)3 resulted in a versatile ...
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Branched Diol Monomers from the Sequential Hydrogenation of Renewable Carboxylic Acids
A prominent challenge in replacing petrochemical polymers with bioderived alternatives is the efficient transformation of biomass into useful monomers. In this work, we demonstrate a practical process for the synthesis of multifunctional alcohols ...
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Early-Stage Capital Cost Estimation of Biorefinery Processes: A Comparative Study of Heuristic Techniques
Biorefineries offer a promising alternative to fossil-based processing industries and have undergone rapid development in recent years. Limited financial resources and stringent company budgets necessitate quick capital estimation of pioneering ...
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Solar-Driven H2O2 Generation From H2O and O2 Using Earth-Abundant Mixed-Metal Oxide@Carbon Nitride Photocatalysts
Light-driven generation of H2O2 only from water and molecular oxygen could be an ideal pathway for clean production of solar fuels. In this work, a mixed metal oxide/graphitic-C3N4 (MMO@C3N4) composite was synthesized as a dual-functional ...
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Carbon Nanotubes and Nanohorn Hybrid Composite Buckypaper as Microporous Layer for Proton Exchange Membrane Fuel Cell
Abstract In the present work, carbon nanotubes (CNT) and CNT-carbon nanohorns (CNH) (0, 30, 50, 70 and 100 wt.% CNH) composite Buckypapers (BPs) were fabricated using vacuum filtration technique. Structure and property relation of composite BPs ...