Articles with "acetylene" as a keyword



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An Ideal Molecular Sieve for Acetylene Removal from Ethylene with Record Selectivity and Productivity.

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Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201704210

Abstract: Realization of ideal molecular sieves, in which the larger gas molecules are completely blocked without sacrificing high adsorption capacities of the preferred smaller gas molecules, can significantly reduce energy costs for gas separation and purification… read more here.

Keywords: ethylene; ideal; record; acetylene ... See more keywords
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Anion Substitution in Porous Aromatic Frameworks: Boosting Molecular Permeability and Selectivity for Membrane Acetylene Separation.

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Published in 2020 at "Advanced materials"

DOI: 10.1002/adma.201907449

Abstract: Precise tailoring of pore chemistry is indispensable for efficient membrane gas separation, particularly for the challenging acetylene system. Here, a strategy called "anion substitution" is reported, to strengthen the interaction between anions and acetylene within… read more here.

Keywords: anion substitution; acetylene; permeability; separation ... See more keywords
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Visible-Light-Driven Selective Reduction of CO2 by Acetylene-Bridged Cobalt Porphyrin Conjugated Polymers.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202200424

Abstract: Photocatalytic conversion of CO2 into renewable fuels with high efficiency and selectivity is desirable for solar energy utilization, but remains a great challenge. Herein, cobalt(II)-porphyrin functionalized conjugated polymers with acetylene bridging units, which are assembled… read more here.

Keywords: conjugated polymers; co2; cobalt porphyrin; acetylene ... See more keywords
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A theoretical study on La-activated bicyclo-oligomerization of acetylene to form naphthalene in gas phase using density functional theory (DFT)

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Published in 2017 at "Structural Chemistry"

DOI: 10.1007/s11224-017-1016-x

Abstract: In a recent experimental research, the formation of naphthalene has been demonstrated by La-mediated acetylene bicyclo-oligomerization in the gas phase, and this is the first report of metal-activated acetylene bicyclo-oligomerization to form the naphthalene. In… read more here.

Keywords: bicyclo oligomerization; acetylene; form naphthalene; reaction ... See more keywords
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Mechanistic roles of substitutional Fe dopants on catalytic acetylene-sensing process of flame-made SnO2 nanoparticles

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Published in 2020 at "Arabian Journal of Chemistry"

DOI: 10.1016/j.arabjc.2018.08.013

Abstract: Abstract In this work, flame-spray-made Fe-doped SnO2 nanoparticles were comprehensively investigated for acetylene (C2H2) detection and the roles of Fe dopants on sensing mechanisms were explored. The sensing material properties were evaluated by X-ray diffraction,… read more here.

Keywords: sno2 nanoparticles; spectroscopy; sno2; flame ... See more keywords
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Highly sensitive and selective acetylene sensors based on p-n heterojunction of NiO nanoparticles on flower-like ZnO structures

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Published in 2019 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.06.212

Abstract: Abstract Acetylene (C2H2) gas concentration is a key parameter in transformer monitoring. In current work, the selective acetylene sensors which based on flower-like ZnO structures with NiO nanoparticles were successfully fabricated. The NiO–ZnO composites were… read more here.

Keywords: acetylene sensors; nio; heterojunction; selective acetylene ... See more keywords
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The utilization of n-butanol/diesel blends in Acetylene Dual Fuel Engine

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Published in 2019 at "Energy Reports"

DOI: 10.1016/j.egyr.2019.08.005

Abstract: Abstract Ever-growing energy demand has motivated engine researchers to find eco-friendly and sustainable cleaner fuels for diesel engines. Many scientists have used different oxygenated additives to enhance the performance of the acetylene fuelled diesel engine,… read more here.

Keywords: diesel; dual fuel; butanol; engine ... See more keywords
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Palladium phosphide nanoparticles as highly selective catalysts for the selective hydrogenation of acetylene

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Published in 2018 at "Journal of Catalysis"

DOI: 10.1016/j.jcat.2018.06.001

Abstract: Abstract Pd 3 P and PdP 2 phases of ca . 4 nm particle diameter were prepared on a TiO 2 support by an impregnation route. Data from the hydrogenation of acetylene under both non-competitive and… read more here.

Keywords: phosphide nanoparticles; palladium phosphide; acetylene; hydrogenation acetylene ... See more keywords
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The absorption spectrum of acetylene near 1 µm (9280–10,740 cm-1) (II): Line intensities

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Published in 2018 at "Journal of Quantitative Spectroscopy and Radiative Transfer"

DOI: 10.1016/j.jqsrt.2018.04.025

Abstract: Abstract In a companion paper, rovibrational assignments of acetylene in the 9280–10,740 cm–1 region were extended on the basis of a long path absorption spectrum recorded by Fourier-transform spectroscopy. Thirty-three and seven bands of 12C2H2 and… read more here.

Keywords: absorption spectrum; line; line list; acetylene ... See more keywords
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Model-Based Optimization of an Acetylene Hydrogenation Reactor To Improve Overall Ethylene Plant Economics

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Published in 2018 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.7b05234

Abstract: The steam cracking process is a common technology for producing ethylene from naphtha. However, one of the major contaminants in the ethylene product stream is acetylene, which poisons catalysts used in downstream polymerization processes and… read more here.

Keywords: overall ethylene; hydrogenation; acetylene; reactor ... See more keywords
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Kinetics Insights and Active Sites Discrimination of Pd-Catalyzed Selective Hydrogenation of Acetylene

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Published in 2019 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.8b05687

Abstract: Catalysis is a kinetics behavior, and developing the kinetics-assisted discrimination of the active sites is an important yet challenging issue in the heterogeneous catalysis. Herein, we combine the multifaceted kinetics analysis with the model calculations… read more here.

Keywords: active sites; kinetics insights; insights active; hydrogenation ... See more keywords