Journal ArticleDOI
A one-step conversion of benzene to phenol with a palladium membrane.
Shuichi Niwa,Muthusamy Eswaramoorthy,Jalajakumari Nair,Anuj Raj,Naotsugu Itoh,Hiroshi Shoji,Takemi Namba,Fujio Mizukami +7 more
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TLDR
An efficient process using a shell-and-tube reactor, in which a gaseous mixture of benzene and oxygen is fed into a porous alumina tube coated with a palladium thin layer, attained phenol formation selectivities of 80 to 97% at benzene conversions of 2 to 16% below 250°C.Abstract:
Existing phenol production processes tend to be energy-consuming and produce unwanted by-products. We report an efficient process using a shell-and-tube reactor, in which a gaseous mixture of benzene and oxygen is fed into a porous alumina tube coated with a palladium thin layer and hydrogen is fed into the shell. Hydrogen dissociated on the palladium layer surface permeates onto the back and reacts with oxygen to give active oxygen species, which attack benzene to produce phenol. This one-step process attained phenol formation selectivities of 80 to 97% at benzene conversions of 2 to 16% below 250°C (phenol yield: 1.5 kilograms per kilogram of catalyst per hour at 150°C).read more
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Catalysis in ionic liquids
TL;DR: Hydrogenation of Alkenes and Arenes by Nanoparticles 2624 3.1.2.
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Hydrogen Peroxide Synthesis: An Outlook beyond the Anthraquinone Process
TL;DR: The direct synthesis of H 2O2 from O2 and H2 using a variety of catalysts, and the factors influencing the formation and decomposition of H2O2 are examined in detail in this Review.
Journal ArticleDOI
Recent advances in transition metal catalyzed oxidation of organic substrates with molecular oxygen.
Journal ArticleDOI
Fe-g-C3N4-Catalyzed Oxidation of Benzene to Phenol Using Hydrogen Peroxide and Visible Light
TL;DR: A bioinspired iron-based catalyst with semiconductor photocatalytic functions in combination with a high surface area holds promise for synthetic chemistry via combining photocatalysis with organosynthesis through using g-C(3)N(4) nanoparticles.
Journal ArticleDOI
A single iron site confined in a graphene matrix for the catalytic oxidation of benzene at room temperature.
Dehui Deng,Xiaoqi Chen,Liang Yu,Xing Wu,Qingfei Liu,Yun Liu,Huaixin Yang,Huanfang Tian,Yongfeng Hu,Peipei Du,Rui Si,Junhu Wang,Xiaoju Cui,Haobo Li,Jianping Xiao,Tao Xu,Jiao Deng,Fan Yang,Paul N. Duchesne,Peng Zhang,Jigang Zhou,Litao Sun,Jianqi Li,Xiulian Pan,Xinhe Bao +24 more
TL;DR: Experimental measurements and density functional theory calculations indicate that the formation of the Fe═O intermediate structure is a key step to promoting the conversion of benzene to phenol, paving the way toward highly efficient nonprecious catalysts for low-temperature oxidation reactions in heterogeneous catalysis and electrocatalysis.
References
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Advances in Oxidation Catalysis; Oxidation of Benzene to Phenol by Nutrous Oxide
TL;DR: In this paper, the authors discuss recent progress achieved in this particular field through the discovery of unique oxidation chemistry involving nitrous oxide, and discuss how to selectively implement such reactions via traditional approaches.
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Thin Palladium Membrane Formed in Support Pores by Metal-Organic Chemical Vapor Deposition Method and Application to Hydrogen Separation
TL;DR: A thin palladium membrane was formed inside the porous wall of an [alpha]-alumina support tube of 2.0mm i.d. and 2.6mm o.d by a metal-organic chemical vapor deposition (MOCVD) process in which the reaction temperature was continuously increased as discussed by the authors.
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Nonhazardous Direct Oxidation of Hydrogen to Hydrogen Peroxide Using a Novel Membrane Catalyst.
TL;DR: Nonhazardous and highly selective H2O2production!
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A Novel Iron-Based Catalyst for the Biphasic Oxidation of Benzene to Phenol with Hydrogen Peroxide.
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Oxidation reactions with in situ generated oxidants
TL;DR: The main achievements and future prospects of in situ oxidations are discussed in this paper, focusing on the advantages and limits of the technique, and the general features of hydrogen peroxide and nitrous oxide are briefly compared and discussed.