Metal-containing graphene-like materials: Synthesis and use in hydrogenation

Klyuev, M. V.; Magdalinova, N. A.; Kalmykov, P. A.

doi:10.1134/s0965544116120057

Cited by 5 publications

(3 citation statements)

References 69 publications

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“…Depending on the methodology, various types of both amorphous carbon and nanocarbons can be prepared experimentally. In this regard, extensive information can be accessed in the literature. − Carbons, either metal-free used as catalysts or as supports of catalytic phases used in any type of catalytic applications must exhibit a sufficient long-term stability and/or high resistance to any changes under operating conditions. , Thus, in practical situations, a continuous catalytic operation may last several months or even several years. During the HYD of CO 2 , H 2 is always present as a reactant simultaneously with H 2 O, which is the main reaction byproduct. , Therefore, CO 2 , H 2 O, and H 2 may compete during the reactions for carbon in the supports, i.e., …”

Section: Properties Of Carbon Supportsmentioning

confidence: 99%

CO₂ Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

Furimsky¹

2020

Ind. Eng. Chem. Res.

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Methanol and methane are among the important products obtained during the hydrogenation (HYD) of CO2. The distribution of products and their yields can be influenced by operating conditions. In this case, the type of catalyst has a dominant effect. Gradual transformation of CO2 involves several surface intermediates. Special geometry of active site is required for maximizing the yield of methanol and for minimizing the reaction run-away to methane. Such a state can be attained over catalysts that contain CuO-ZnO components. Catalysts containing other transition metals and noble metals are less suitable, while the same catalysts exhibit good performance during the HYD of CO2 to methane. In industrial applications, catalysts supported on oxidic supports, i.e., Al2O3, SiO2, TiO2, etc., have been used. During HYD of CO2, 1 and 2 mol of water are generated for every mole of methanol and methane, respectively. The stability of catalysts used for HYD of CO2 can be enhanced by replacing oxidic supports with carbon supports. Amorphous carbons, such as activated carbon, and carbon nanomaterials, such as carbon nanotubes, carbon nanofibers, and graphene-derived solids, have been tested both as catalysts and supports. For methanol synthesis, CuO-ZnO catalysts supported on these carbons have been evaluated. Similar carbon supports have been used for the preparation and testing of methanation catalysts consisting of a wide range of transition and noble metals as active metals. Both monometallic and bimetallic catalysts were evaluated.

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Section: Properties Of Carbon Supportsmentioning

confidence: 99%

CO₂ Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

Furimsky¹

2020

Ind. Eng. Chem. Res.

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“…In view of the remarkable activity of the graphene-supported catalysts compared with the catalysts supported on other carbon supports, , the HPR severity range in terms of temperature and H 2 pressure may be widened to lower temperature compared with conventional HPR, i.e., 100 to 350 °C and 250 to 400 °C, respectively. , However, even at less than 100 °C, graphene-derived materials out-performed other carbon solids (e.g., graphite, carbon black, activated carbon, and carbon fibers) used either alone or as the supports of Rh-catalyst used for the HDCl of 4-chlorophenol. , In spite of a great potential of the graphene-supported HPR catalysts, relatively limited attention has been paid to their properties, preparation, and testing under HPR conditions. For example, an excellent collection of articles edited by Serp and Figueiredo in 2009 as well as the review published by Furimsky in 2008 mention the graphene-supported HPR catalysts only very briefly.…”

Section: Introductionmentioning

confidence: 99%

“…8,9 However, even at less than 100 °C, graphene-derived materials out-performed other carbon solids (e.g., graphite, carbon black, activated carbon, and carbon fibers) used either alone or as the supports of Rhcatalyst used for the HDCl of 4-chlorophenol. 10,11 In spite of a great potential of the graphene-supported HPR catalysts, relatively limited attention has been paid to their properties, preparation, and testing under HPR conditions. For example, an excellent collection of articles edited by Serp and Figueiredo 12 in 2009 as well as the review published by Furimsky 13 in 2008 mention the graphene-supported HPR catalysts only very briefly.…”

Section: Introductionmentioning

confidence: 99%

Graphene-Derived Supports for Hydroprocessing Catalysts

Furimsky¹

2017

Ind. Eng. Chem. Res.

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The graphene-derived solids such as doped graphene, graphene oxide (GO), and reduced graphene oxide (rGO) have been identified as supports for preparation of catalysts for various catalytic applications. Among those, hydroprocessing (HPR) of model compounds as well as feeds from conventional and nonconventional sources has also been evaluated. It was evident that HPR catalysts supported on graphene supports out-performed catalysts supported on other carbon solids. The stability of the former catalysts in the presence of water is of particular importance for the HPR of nonconventional feeds. Graphene solids as supports may play an important role during the development of HPR catalysts not requiring presulfiding. The activity of graphene alone was enhanced either by doping with various dopants or by functionalization. Once active metals were anchored on the surface, the activity of graphene-supported catalysts was increased significantly. Conventional metals such as Mo, Ni, Co, and Fe as well as noble metals such as Pt, Pd, Ru, and Rh have been evaluated as active metals.

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An amphiphilic nitrogen-doped graphene prepared by ammonia cold plasma and its supported platinum nanocatalyst for aqueous-phase hydrogenation of cinnamaldehyde

Wang,

Yi,

et al. 2023

Applied Catalysis A: General

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Metal-containing graphene-like materials: Synthesis and use in hydrogenation

Cited by 5 publications

References 69 publications

CO₂ Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

CO₂ Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

Graphene-Derived Supports for Hydroprocessing Catalysts

An amphiphilic nitrogen-doped graphene prepared by ammonia cold plasma and its supported platinum nanocatalyst for aqueous-phase hydrogenation of cinnamaldehyde

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Metal-containing graphene-like materials: Synthesis and use in hydrogenation

Cited by 5 publications

References 69 publications

CO2 Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

CO2 Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

Graphene-Derived Supports for Hydroprocessing Catalysts

An amphiphilic nitrogen-doped graphene prepared by ammonia cold plasma and its supported platinum nanocatalyst for aqueous-phase hydrogenation of cinnamaldehyde

Contact Info

Product

Resources

About

CO₂ Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts

CO₂ Hydrogenation to Methanol and Methane over Carbon-Supported Catalysts