Articles with "composite catalyst" as a keyword



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Facile in situ hydrothermal crystallization synthesis of SAPO-34/ZSM-5 composite catalyst for methanol to olefin reaction

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Published in 2018 at "Journal of Porous Materials"

DOI: 10.1007/s10934-018-0676-2

Abstract: The SAPO-34/ZSM-5 composite catalyst (SZ-TS) was successfully fabricated using a two-step in situ crystallization method. X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy, N2 adsorption–desorption, and ammonia temperature-programmed desorption measurements were used to characterize the… read more here.

Keywords: composite catalyst; sapo zsm; sapo; crystallization ... See more keywords
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Efficient synthesis of styrene from toluene with MeOH: Via a ternary composite catalyst

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Published in 2020 at "Applied Catalysis A: General"

DOI: 10.1016/j.apcata.2020.117807

Abstract: Abstract To achieve high selectivity of styrene from toluene and methanol, a new strategy, the coupling of methanol dehydrogenation and side-chain alkylation of toluene by ternary composite catalyst combining methanol dehydrogenation, B/SiO2 and CsX components,… read more here.

Keywords: toluene; composite catalyst; sio2; styrene ... See more keywords
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Unveiling the roles of multiple active sites during oxygen reduction reaction in Cr2O3@Cr-N-C composite catalyst

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Published in 2021 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2021.03.015

Abstract: Abstract The fundamental understanding of oxygen reduction reaction (ORR) mechanism facilitates the targeted design of high-performance electrocatalysts. Herein, we successfully synthesized a composite catalyst Cr2O3@Cr-N-C, and systemically unveiled the roles of different active sites during… read more here.

Keywords: oxygen reduction; cr2o3; active sites; composite catalyst ... See more keywords
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Rapid, highly efficient and stable catalytic hydrodechlorination of chlorophenols over novel Pd/CNTs-Ni foam composite catalyst in continuous-flow.

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Published in 2018 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2018.05.018

Abstract: A novel Pd/CNTs-Ni foam composite catalyst was developed for catalytic hydrodechlorination of chlorophenols by using CNTs-Ni foam as support. Characterizations including FESEM, TEM/HRTEM, HAADF-STEM and element mapping revel that the composite catalyst with 2 wt.% Pd… read more here.

Keywords: foam composite; composite catalyst; continuous flow; cnts foam ... See more keywords
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Preparation of highly-stable and recyclable novel Au/ZrP composite catalyst for 4-nitrophenol reduction

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Published in 2019 at "Journal of the Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2018.09.008

Abstract: Abstract Zirconium phosphate (ZrP) nanosheets were synthesized and modified with tetrabutylammonium hydroxide (TBA) to form ZrP nanosheets. The ZrP nanosheet surface was modified with organosilane N1-(3- trimethoxysilylpropyl) diethylene triamine molecules to generate an amine-terminated surface… read more here.

Keywords: microscopy; spectroscopy; composite catalyst; zrp ... See more keywords
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ZIF-9 derived cobalt phosphide and In2O3 as co-catalysts for efficient hydrogen production

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Published in 2021 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2021.111551

Abstract: Abstract Non-noble metal phosphorescent catalysts have attracted people's attention because of their cheap advantages and good photocatalytic efficiency. In this paper, proposed a CoP/In2O3 composite catalyst that performs well in hydrogen production. The total amount… read more here.

Keywords: cop; in2o3; hydrogen production; cop in2o3 ... See more keywords
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Preparation and Properties of Tremella-like Fe-N-C Composite Catalyst for Oxygen Reduction Reaction

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Published in 2017 at "Chinese Journal of Analytical Chemistry"

DOI: 10.1016/s1872-2040(17)61037-5

Abstract: Abstract Fe-N-C composite catalyst was prepared by thermal decomposition of chelate precursors based on Fe(III) central ions and o-phenylenediamine ligands. Scanning electron microscopy characterization showed that the crumpled carbon micro- and nano-sheets were intertwined and… read more here.

Keywords: composite catalyst; like composite; catalyst; tremella like ... See more keywords
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Synthesis of a hierarchical structured NiO/NiS composite catalyst for reduction of 4-nitrophenol and organic dyes

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c6ra25013k

Abstract: The NiO/NiS composite catalyst synthesis is designed using a simple and facile method. Composite materials with different sulfur sources were characterized and applied for catalytic reduction of 4-nitrophenol (4-NP) in aqueous solution. The catalysts' universality… read more here.

Keywords: reduction; composite catalyst; nis composite; nio nis ... See more keywords
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Integration of a metal–organic framework with zeolite: a highly sustainable composite catalyst for the synthesis of γ-valerolactone and coumarins

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Published in 2018 at "Sustainable Energy and Fuels"

DOI: 10.1039/c8se00098k

Abstract: In this study, two well-known porous materials, zeolite Beta and a metal–organic framework are entangled to form a highly efficient composite catalyst. The composite catalyst contains the characteristic features of both the porous materials and… read more here.

Keywords: composite catalyst; catalyst synthesis; microscopy; metal organic ... See more keywords
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Selectivity-tunable oxidation of tetrahydro-β-carboline over an OMS-2 composite catalyst: preparation and catalytic performance.

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Published in 2021 at "Dalton transactions"

DOI: 10.1039/d1dt00168j

Abstract: Controlling the reaction selectivity of organic transformations without losing high conversion is always a challenge in catalytic processes. In this work, a H3PO4·12WO3/OMS-2 nanocomposite catalyst ([PW]-OMS-2) was prepared through the oxidation of a Mn(ii) salt… read more here.

Keywords: composite catalyst; oxidation; tetrahydro; carboline ... See more keywords
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Enhancement in the active site exposure in a porphyrin-based PIL/graphene composite catalyst for the highly efficient conversion of CO2.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d1dt04338b

Abstract: Poly(ionic liquid)s (PILs) have gained widespread attention in recent years due to their excellent properties similar to both ionic liquids and polymers. However, their further applications are limited because abundant and flexible ions easily block… read more here.

Keywords: graphene composite; catalyst; composite catalyst; pil graphene ... See more keywords