Saccharides as new hydrogen sources for one-pot and single-step reduction of alcohols and catalytic hydrogenation of olefins in supercritical water

Kobiro, Kazuya; Sumoto, Kana; Okimoto, Yuki; Wang, Pengyu

doi:10.1016/j.supflu.2013.02.012

Cited by 14 publications

(1 citation statement)

References 29 publications

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“…Elimination [22], hydrogenation [23,24], dehydration [25,26], condensation [27], partial and total oxidation [28,29] in supercritical water are being investigated by several research groups throughout the world. Especially monomer synthesis by hydrolytic de-polymerization of several plastic wastes, and wastewater treatment by total oxidation in supercritical water attracted intensive scientific interest [14].…”

Section: Supercritical Water Oxidationmentioning

confidence: 99%

Supercritical Water Oxidation (SCWO) for Wastewater Treatment

Akgün

Söğüt

2014

Biofuels and Biorefineries

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Water behaves as an acidic and alkaline precursor for acidic or basic reactions, since the formation of both H 3 O C and OH -ions takes place in accordance with the self-dissociation of water at near-critical and above supercritical (T c D 374 ı C, P c D 22.1 MPa) conditions. Therefore, supercritical water is considered both as a solvent for organic materials and as a reactant at processes such as the oxidative treatment of wastewaters, the gasification of aqueous organic solutions and the production of fine metal oxide particles. Supercritical water oxidation is a very efficient method for wastewater treatment, which is based on oxidation of organic compounds in aqueous media above critical temperature and pressure conditions of pure water.In this chapter, general information on supercritical water oxidation processes is given, effects of operational parameters such as temperature, pressure, reaction time, waste and oxidant concentration on waste treatment are discussed, and applied scientific methods and practical solutions to possible operational problems such as corrosion, salt deposition and carbonization are compiled in detail. Treatment of industrial wastewaters such as olive mill, textile dyehouse, cheese whey and commercial pesticide with high environmental hazard potential are subjected and evaluated in order to understand the effects of reactor temperature, organics and oxidant concentrations, residence time and reactor pressure. Hydrothermal degradation and oxidation kinetics of wastewater are stracked in terms of total organic carbon (TOC) and analyzed, followed by discussion of supercritical water oxidation rate models.

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Section: Supercritical Water Oxidationmentioning

confidence: 99%

Supercritical Water Oxidation (SCWO) for Wastewater Treatment

Akgün

Söğüt

2014

Biofuels and Biorefineries

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Copper‐Catalyzed Reduction of Alkyl Triflates and Iodides: An Efficient Method for the Deoxygenation of Primary and Secondary Alcohols

2013

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We describe an effective method for catalytic reduction of 18 alkyl sulfonates, and 18 and 28 iodides in the presence of a wide range of functional groups. This Cucatalyzed reaction provides a means for the effective deoxygenation of alcohols, as demonstrated by the highly selective reduction of 18 alcohols using a triflation/reduction sequence. A preliminary study of the reaction mechanism suggests that the reduction does not involve free-radical intermediates.Scheme 1. Cu-catalyzed approach to the deoxygenation of alcohols.

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Copper‐Catalyzed Reduction of Alkyl Triflates and Iodides: An Efficient Method for the Deoxygenation of Primary and Secondary Alcohols

2013

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We describe an effective method for catalytic reduction of 1° alkyl sulfonates, and 1° and 2° iodides in the presence of a wide range of functional groups. This Cu-catalyzed reaction provides a means for the effective deoxygenation of alcohols, as demonstrated by the highly selective reduction of 1° alcohols using a triflation/reduction sequence. A preliminary study of the reaction mechanism suggests that the reduction does not involve free-radical intermediates.

show abstract

Saccharides as new hydrogen sources for one-pot and single-step reduction of alcohols and catalytic hydrogenation of olefins in supercritical water

Cited by 14 publications

References 29 publications

Supercritical Water Oxidation (SCWO) for Wastewater Treatment

Supercritical Water Oxidation (SCWO) for Wastewater Treatment

Copper‐Catalyzed Reduction of Alkyl Triflates and Iodides: An Efficient Method for the Deoxygenation of Primary and Secondary Alcohols

Copper‐Catalyzed Reduction of Alkyl Triflates and Iodides: An Efficient Method for the Deoxygenation of Primary and Secondary Alcohols

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