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Enhancing Catalytic Efficiency in Long-Chain Linear α-Olefin Epoxidation: A Study of CaSnO[sub.3]-Based Catalysts

Catalysts, 2024-01, Vol.14 (1) [Peer Reviewed Journal]

COPYRIGHT 2024 MDPI AG ;ISSN: 2073-4344 ;EISSN: 2073-4344 ;DOI: 10.3390/catal14010070

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  • Title:
    Enhancing Catalytic Efficiency in Long-Chain Linear α-Olefin Epoxidation: A Study of CaSnO[sub.3]-Based Catalysts
  • Author: Zhang, Min ; Xiang, Hongwei ; Wen, Xiaodong
  • Subjects: Catalysts ; Forecasts and trends
  • Is Part Of: Catalysts, 2024-01, Vol.14 (1)
  • Description: This investigation explores the synthesis of advanced catalysts for epoxidizing long-chain linear α-olefins, a pivotal process in the chemical industry for generating critical intermediates. Employing a hydrothermal technique, we developed four distinct catalysts (CS-1–4), methodically modulating the Ca/Sn ratio to elucidate its impact on the catalysts’ physicochemical properties. Our research uncovered that an escalated Ca/Sn ratio induces a morphological shift from octagonal to cubic structures, concomitant with a diminution in particle size and an enhancement in specific surface area. Significantly, the CS-3 catalyst outperformed others in 1-octene epoxidation, an efficacy attributed to its augmented surface alkalinity and proliferation of medium-strength alkaline sites, likely emanating from increased surface oxygen defects. Subsequent hydrogen reduction of CS-3 further amplified these oxygen defects, yielding a 10% uptick in catalytic activity. This correlation underscores the potential of oxygen defect manipulation in optimizing catalytic efficiency. Our findings contribute a novel perspective to the development of robust, high-performance catalysts for α-olefin epoxidation, seamlessly aligning with the principles of sustainable chemistry.
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 2073-4344
    EISSN: 2073-4344
    DOI: 10.3390/catal14010070
  • Source: ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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