Ultrasonic Synthesis of Fluorene-Modified Pd/SAC Catalysts for Ultra-Stable Acetylene Hydrochlorination

This study developed a high-performance Pd-based catalyst for acetylene hydrochlorination utilizing fluorene (FLR)-modified carbon support prepared via ultrasonic-assisted impregnation. The Pd-FLR/spherical active carbon (SAC) catalyst showed superior stability and activity, sustaining 99.8% acetylene conversion and >99.0% vinyl chloride monomer (VCM) selectivity for 340 h with negligible loss of performance. This significant enhancement over the unmodified Pd/SAC catalyst is linked to the stabilization of Pd particles, the inhibition of carbonaceous deposits, and the minimization of Pd leaching. Characterization revealed that the FLR modification improves the catalyst’s overall catalytic efficiency by enhancing adsorption properties. The excellent long-term stability and high activity demonstrate that the Pd-FLR/SAC catalyst can be a promising alternative in acetylene hydrochlorination in industrial applications.

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Publication Details

Journal
Industrial & Engineering Chemistry Research
Published
2025-12-13
DOI
https://doi.org/10.1021/acs.iecr.5c03087
Citations
1
Primary Topic
Catalytic Processes in Materials Science
Type
article
Field-Weighted Citation Impact
0.52
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article

Ultrasonic Synthesis of Fluorene-Modified Pd/SAC Catalysts for Ultra-Stable Acetylene Hydrochlorination

Jide Wang, Changhai Liang, Hui Sun, Ziran Liu et al.
1 citations
Industrial & Engineering Chemistry Research
Catalytic Processes in Materials Science
0.52
article

Ultrasonic Synthesis of Fluorene-Modified Pd/SAC Catalysts for Ultra-Stable Acetylene Hydrochlorination

Jide Wang, Changhai Liang, Hui Sun, Ziran Liu, Shahid Ali, Jia Guo, Mustafa Anwar, Lu Wang, Chao Yang, Jingxin Liu, Liyan Dai, Yana Wei, Haijun Yan
article en
1 citations

Abstract

This study developed a high-performance Pd-based catalyst for acetylene hydrochlorination utilizing fluorene (FLR)-modified carbon support prepared via ultrasonic-assisted impregnation. The Pd-FLR/spherical active carbon (SAC) catalyst showed superior stability and activity, sustaining 99.8% acetylene conversion and >99.0% vinyl chloride monomer (VCM) selectivity for 340 h with negligible loss of performance. This significant enhancement over the unmodified Pd/SAC catalyst is linked to the stabilization of Pd particles, the inhibition of carbonaceous deposits, and the minimization of Pd leaching. Characterization revealed that the FLR modification improves the catalyst’s overall catalytic efficiency by enhancing adsorption properties. The excellent long-term stability and high activity demonstrate that the Pd-FLR/SAC catalyst can be a promising alternative in acetylene hydrochlorination in industrial applications.

Industrial & Engineering Chemistry ResearchVol. 64(51)
Dalian University of Technology (CN), Dalian University (CN), Ministry of Education (SA), Advanced Energy (United States) (US), Xinjiang Industry Technical College (CN), Quzhou University (CN), Advanced Energy Systems (United States) (US), State Key Laboratory of Fine Chemicals, National University of Sciences and Technology (PK), Xinjiang University (CN)
Openalex Percentile: Top 29%
Catalytic Processes in Materials Science
0.52
DOISourceOpenAlex
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