Articles with "light olefins" as a keyword



Mass Transfer Modulation by Hollow Multi‐Shelled Structures for High Space‐Time Yield Synthesis of Light Olefins from Syngas

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202316547

Abstract: The separation of CO activation and C─C coupling enables oxide–zeolite catalyzed tandem reaction toward direct conversion of syngas into light olefins to be a promising alternative for the traditional Fischer–Tropsch process with elevated selectivity. Utilizing… read more here.

Keywords: light olefins; time yield; mass transfer; space time ... See more keywords

FeCo Alloy Clusters Optimized Heterogeneous Catalytic Interface for Driving CO2 Hydrogenation to Light Olefins

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202505432

Abstract: The efficient conversion of CO2 to light olefins via CO2‐modified Fischer‐Tropsch synthesis (CO2‐FTS) with high selectivity and yield remains a critical challenge. Here, the Fe3O4‐FeCo‐Fe5C2 ternary catalyst was successfully constructed. Notably, the different contents of… read more here.

Keywords: light olefins; optimized heterogeneous; co2; alloy clusters ... See more keywords

An auto‐configurable machine learning framework to optimize and predict catalysts for CO2 to light olefins process

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Published in 2024 at "AIChE Journal"

DOI: 10.1002/aic.18437

Abstract: This study proposed an auto‐configurable machine learning framework based on the differential evolution algorithm (AutoML‐DE) driven by hybrid data for the screening and discovery of promising CO2 to light olefins (CO2TLO) catalysts candidates. The hybrid… read more here.

Keywords: light olefins; machine learning; configurable machine; learning framework ... See more keywords

Co‐O‐Zn interface engineering for boosting CO2 hydrogenation to light olefins

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Published in 2025 at "AIChE Journal"

DOI: 10.1002/aic.70106

Abstract: The carbon dioxide (CO2) hydrogenation to light olefins (CO2‐to‐C2‐C4=) represents a promising approach for its high‐value utilization but faces the crucial challenges of low CO2 conversion efficiency and olefin selectivity. Herein, we develop an oxide–oxide… read more here.

Keywords: light olefins; co2; engineering; hydrogenation light ... See more keywords

Tuning Interactions of Surface‐adsorbed Species over Fe−Co/K−Al2O3 Catalyst by Different K Contents: Selective CO2 Hydrogenation to Light Olefins

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Published in 2020 at "ChemCatChem"

DOI: 10.1002/cctc.202000347

Abstract: Selective CO2 hydrogenation to light olefins over Fe−Co/K−Al2O3 catalysts was enhanced by tuning bonding strengths of adsorbed species by varying the content of the K promotor. Increasing the K/Fe atomic ratio from 0 to 0.5… read more here.

Keywords: selective co2; al2o3 catalyst; hydrogenation light; adsorbed species ... See more keywords

Can Metal Promotion of SAPO‐34 Genuinely Improve Its Catalytic Performance in Methanol Conversion to Light Olefins Reaction?

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Published in 2024 at "Chemphyschem"

DOI: 10.1002/cphc.202400357

Abstract: Abstract To genuinely assess the effect of secondary metal promotion on improving the SAPO‐34 catalytic performance in MTO reaction, a broad spectrum of metals from different groups of the periodic table (alkali and alkaline earth… read more here.

Keywords: metal; light olefins; catalytic performance; metal promotion ... See more keywords

Using Biomass Gasification Mineral Residue as Catalyst to Produce Light Olefins from CO, CO2 , and H2 Mixtures.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202200851

Abstract: Invited for this month's cover is the group of Bert Weckhuysen at Utrecht University. The image shows how iron nanoparticles in a biomass gasification residue can convert CO, CO2 , and H2 mixtures into light… read more here.

Keywords: biomass gasification; using biomass; gasification mineral; co2 mixtures ... See more keywords

An Efficient Catalyst for Light Olefins Production from CO Hydrogenation: Synergistic Effect of Zn and Ce Promoters on Performance of Co–Mn/SiO2 Catalyst

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Published in 2017 at "Catalysis Letters"

DOI: 10.1007/s10562-017-2152-z

Abstract: The effectiveness of Fischer–Tropsch to olefins (FTO) synthesis could be improved by the design of new active catalysts with superior selectivity for light olefins and low methane production. The promoters including transition metal oxides and… read more here.

Keywords: light olefins; olefins production; catalyst; selectivity ... See more keywords
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Promotion effects of Ce added Fe–Zr–K on CO2 hydrogenation to light olefins

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Published in 2018 at "Reaction Kinetics, Mechanisms and Catalysis"

DOI: 10.1007/s11144-018-1377-1

Abstract: Microspherical and uniform Fe–Zr–Ce–K catalysts were prepared by the microwave assisted precipitation followed by impregnation and promoted CO2 hydrogenation toward advantageous synthesis of light olefins. The reducibility, surface basicity and surface atom composition of the… read more here.

Keywords: hydrogenation; co2 hydrogenation; promotion effects; light olefins ... See more keywords

Synthesis and performance of pillared HZSM-5 nanosheet zeolites for n-decane catalytic cracking to produce light olefins

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Published in 2019 at "Applied Catalysis A: General"

DOI: 10.1016/j.apcata.2018.12.029

Abstract: Abstract Owing to the hierarchical porosity and proper acid site, nanosheet ZSM-5 zeolite (ZN-2) has been reported good performance for catalytic cracking of hydrocarbons, but faces mesopores sacrifice by interlayer condensation after calcination during preparation.… read more here.

Keywords: catalytic cracking; performance; light olefins; nanosheet ... See more keywords

Propane to light olefins by one-pot cascade and series reactions

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Published in 2019 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2018.10.051

Abstract: Abstract Propane is selectively converted to propylene via propane dehydrogenation (PDH) process for an on-purpose propylene usage. Due to regional market demands, olefin interconversion for propylene-to-ethylene (PTE) is required to control the supply-demand of light… read more here.

Keywords: propane; light olefins; pte; pdh ... See more keywords