Articles with "bifunctional catalysts" as a keyword



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Valeric Biofuel Production from γ-Valerolactone over Bifunctional Catalysts with Moderate Noble-Metal Loading.

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Published in 2021 at "ChemPlusChem"

DOI: 10.1002/cplu.202100249

Abstract: SiO2 -Al2 O3 -supported Ru, Ir and Pt-based catalysts with moderate metal loading (1 %) were tested for the first time in the production of pentyl valerate (PV) in liquid phase from γ-valerolactone, pentanol (in excess)… read more here.

Keywords: catalysts moderate; production; noble metal; metal ... See more keywords

A general strategy for bimetallic Pt-based nano-branched structures as highly active and stable oxygen reduction and methanol oxidation bifunctional catalysts

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Published in 2020 at "Nano Research"

DOI: 10.1007/s12274-020-2666-3

Abstract: The morphology and size of Pt-based bimetallic alloys are known to determine their electrocatalytic performance in reactions relevant to fuel cells. Here, we report a general approach for preparing Pt-M (M = Fe, Co and… read more here.

Keywords: nano branched; bifunctional catalysts; methanol oxidation; oxygen reduction ... See more keywords
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Polymer-Based Bifunctional Catalysts for Anthracene Hydrocracking in the Medium of Supercritical Propanol-2

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Published in 2021 at "Catalysis Today"

DOI: 10.1016/j.cattod.2021.03.028

Abstract: Abstract In this work, novel bifunctional catalysts based on the polymeric network of hypercrosslinked polystyrene were developed for the process of anthracene hydrocracking in the medium of supercritical propanol-2. The synthesized catalysts contain NiOOH as… read more here.

Keywords: bifunctional catalysts; medium supercritical; supercritical propanol; anthracene hydrocracking ... See more keywords
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Hydroisomerization of n-decane over micro/mesoporous Pt-containing bifunctional catalysts: Effects of the MCM-41 incorporation with Y zeolite

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Published in 2018 at "Fuel"

DOI: 10.1016/j.fuel.2018.04.007

Abstract: Abstract Hydroisomerization of n-decane (n-C10) over the bi-porous Pt-containing catalysts was investigated. Two micro/mesoporous materials were respectively derived from the composition and mechanical mixing of MCM-41 and Y zeolite. This study aimed to estimate the… read more here.

Keywords: zeolite; bifunctional catalysts; hydroisomerization; hydroisomerization decane ... See more keywords
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The hydroisomerization of n-hexane over highly selective Pd/ZSM-22 bifunctional catalysts: The improvements of metal-acid balance by room temperature electron reduction method

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Published in 2020 at "Fuel"

DOI: 10.1016/j.fuel.2020.117717

Abstract: Abstract The preparation of bifunctional catalysts with high catalytic selectivity and stability for the n-alkanes hydroisomerization still remains challenging for the production of clean fuel. Herein, two series of Pd/ZSM-22 bifunctional catalysts are prepared by… read more here.

Keywords: reduction; hexane; room temperature; bifunctional catalysts ... See more keywords
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Improved stability of Pd/HZSM-5 bifunctional catalysts by the addition of promoters (CeO 2 , CaO) for the One-step synthesis of dimethyl ether from Sulfur-containing CO 2 hydrogenation

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Published in 2017 at "Journal of The Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2017.09.032

Abstract: Abstract Pd/HZSM-5 bifunctional catalysts modified with CeO2 and CaO promotors were prepared by impregnation. The combined promotor effects on the activity and stability of Pd/HZSM-5 bifunctional catalysts for one-step-synthesis of dimethyl ether (DME) from the… read more here.

Keywords: hzsm bifunctional; bifunctional catalysts; step synthesis; one step ... See more keywords
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Hydrotreatment of FCC Gasoline Catalyzed by CoMo Bifunctional Catalysts: The Effects of Acidity on Catalytic Performance

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Published in 2021 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.0c04437

Abstract: The acidity of bifunctional catalysts is regarded as one of the most important factors for FCC gasoline hydrotreatment. To investigate the effects of acidity on catalytic performance, the CoMo/Al2O... read more here.

Keywords: hydrotreatment; fcc gasoline; effects acidity; bifunctional catalysts ... See more keywords
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Nanosized Ti-Based Perovskite Oxides as Acid–Base Bifunctional Catalysts for Cyanosilylation of Carbonyl Compounds

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Published in 2023 at "ACS Applied Materials & Interfaces"

DOI: 10.1021/acsami.3c01629

Abstract: The development of effective solid acid–base bifunctional catalysts remains a challenge because of the difficulty associated with designing and controlling their active sites. In the present study, highly pure perovskite oxide nanoparticles with d0-transition-metal cations… read more here.

Keywords: base bifunctional; acid base; carbonyl compounds; bifunctional catalysts ... See more keywords
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From CO2 to DME: Enhancement through Heteropoly Acids from a Catalyst Screening and Stability Study

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Published in 2023 at "ACS Omega"

DOI: 10.1021/acsomega.3c00149

Abstract: The direct synthesis of dimethyl ether (DME) via CO2 hydrogenation in a single step was studied using an improved class of bifunctional catalysts in a fixed bed reactor (TR: 210–270 °C; 40 bar; gas hourly… read more here.

Keywords: co2 dme; bifunctional catalysts; heteropoly acids; stability ... See more keywords
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Designing Electrophilic and Nucleophilic Dual Centers in the ReS2 Plane toward Efficient Bifunctional Catalysts for Li-CO2 Batteries.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.1c12096

Abstract: Two-dimensional transition metal dichalcogenides (TMDCs) show great potential as efficient catalysts for Li-CO2 batteries. However, the basal plane engineering on TMDCs toward bifunctional catalysts for Li-CO2 batteries is still poorly understood. In this work, density… read more here.

Keywords: catalysts co2; electrophilic nucleophilic; co2 batteries; nucleophilic dual ... See more keywords
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Facile synthesis of nanoporous Ni–Fe–P bifunctional catalysts with high performance for overall water splitting

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Published in 2019 at "Journal of Materials Chemistry A"

DOI: 10.1039/c8ta10856k

Abstract: On the basis of the unique defects of amorphous metals, more defects are exposed as effective active sites by dealloying. read more here.

Keywords: bifunctional catalysts; facile synthesis; synthesis nanoporous; catalysts high ... See more keywords