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23 Newest Publications about the topic specialty chemicals

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Modular Manufacturing Processes: Status, Challenges and Opportunities

18-Jul-2017 | Michael Baldea, Thomas F. Edgar, Bill L. Stanley, Anton A. Kiss, AIChE Journal, 2017

Abstract Chemical companies are constantly seeking new, high‐margin growth opportunities, the majority of which lie in high‐grade, specialty chemicals, rather than in the bulk sector. In order to realize these opportunities, manufacturers are increasingly considering decentralized, flexible ...

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Scaffoldless engineered enzyme assembly for enhanced methanol utilization [Engineering]

08-Nov-2016 | J. Vincent Price; Long Chen; W. Brian Whitaker; Eleftherios Papoutsakis; Wilfred Chen, Proceedings of the National Academy of Sciences current issue, 2016

Methanol is an important feedstock derived from natural gas and can be chemically converted into commodity and specialty chemicals at high pressure and temperature. Although biological conversion of methanol can proceed at ambient conditions, there is a dearth of engineered microorganisms that ...

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Downstream Processing of Nucleoside‐Diphospho‐Sugars from Sucrose Synthase Reaction Mixtures at Decreased Solvent Consumption

12-Sep-2016 | Martin Lemmerer, Katharina Schmölzer, Alexander Gutmann, Bernd Nidetzky, Advanced Synthesis & Catalysis, 2016

Abstract Nucleoside‐diphospho‐sugars (NDP‐sugars) are highly demanded as specialty chemicals and as substrates for enzymatic glycosylations. Biocatalysis is efficient for their synthesis; however, downstream processing (DSP) is a bottleneck of the overall production. We describe two scalable ...

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Molecules, Vol. 21, Pages 170: Synthesis of the Fatty Esters of Solketal and Glycerol-Formal: Biobased Specialty Chemicals

30-Jan-2016 | Perosa, Alvise ; Moraschini, Andrea ; Selva, Maurizio ; Noè, Marco, Molecules, 2016

The caprylic, lauric, palmitic and stearic esters of solketal and glycerol formal were synthesized with high selectivity and in good yields by a solvent-free acid catalyzed procedure. No acetal hydrolysis was observed, notwithstanding the acidic reaction conditions.

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Combining Metabolic Engineering and Electrocatalysis: Application to the Production of Polyamides from Sugar

14-Jan-2016 | Miguel Suastegui, John E. Matthiesen, Jack M. Carraher, Nacu Hernandez, Natalia Rodriguez Quiroz, Adam Okerlund, Eri ..., Angewandte Chemie International Edition, 2016

Abstract Biorefineries aim to convert biomass into a spectrum of products ranging from biofuels to specialty chemicals. To achieve economically sustainable conversion, it is crucial to streamline the catalytic and downstream processing steps. In this work, a route that combines bio‐ and ...

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Better than Nature: Nicotinamide Biomimetics That Outperform Natural Coenzymes

13-Jan-2016 | Tanja Knaus; Caroline E. Paul; Colin W. Levy; Simon de Vries; Francesco G. Mutti; Frank Hollmann; Nigel S. Scrutton, Journal of the American Chemical Society, 2016

The search for affordable, green biocatalytic processes is a challenge for chemicals manufacture. Redox biotransformations are potentially attractive, but they rely on unstable and expensive nicotinamide coenzymes that have prevented their widespread exploitation. Stoichiometric use of natural ...

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5‐(Chloromethyl)furfural is the New HMF: Functionally Equivalent But More Practical in Terms of its Production From Biomass

16-Sep-2015 | Mark Mascal, ChemSusChem, 2015

Abstract 5‐(Chloromethyl)furfural (CMF) is a disruptive innovation in the biorefinery. Chemically, it is at least as versatile as the well‐known HMF but, unlike HMF, it is accessible in high yield directly from cellulosic biomass due to its lipophilicity and stability under acidic conditions, ...

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Gas‐Phase Partial Oxidation of Lignin to Carboxylic Acids over Vanadium Pyrophosphate and Aluminum–Vanadium–Molybdenum

11-Sep-2015 | Samira Lotfi, Daria C. Boffito, Gregory S. Patience, ChemSusChem, 2015

Abstract Lignin is a complex polymer that is a potential feedstock for aromatic compounds and carboxylic acids by cleaving the β‐O‐4 and 5‐5′ linkages. In this work, a syringe pump atomizes an alkaline solution of lignin into a catalytic fluidized bed operating above 600 K. The vanadium ...

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Current Technologies, Economics, and Perspectives for 2,5‐Dimethylfuran Production from Biomass‐Derived Intermediates

20-Feb-2015 | Basudeb Saha, Mahdi M. Abu‐Omar, ChemSusChem, 2015

Abstract Since the U.S. Department of Energy (DOE) published a perspective article that described the potential of the top ten biomass‐derived platform chemicals as petroleum replacements for high‐value commodity and specialty chemicals, researchers around the world have been motivated to ...

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The TV in Your Pocket: Development of Liquid‐Crystal Materials for the New Millennium

14-Aug-2013 | Matthias Bremer, Peer Kirsch, Melanie Klasen‐Memmer, Kazuaki Tarumi, Angewandte Chemie International Edition, 2013

Abstract New liquid crystals with very low viscosity, good mesophase behavior, and high reliability are necessary to achieve the breakthrough from flat computer monitors to large displays for television. Fluorine plays a decisive role not only because of the polarity it induces in organic ...

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