Exploring Acid–Catalyzed Processes: Strategies and Applications

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Industrial Catalysis".

Deadline for manuscript submissions: 28 February 2027 | Viewed by 2361

Editor


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Guest Editor
College of Chemical Engineering, East China University of Science and Technology, Shanghai, China
Interests: acid catalysis; including isomerization reaction; oligomerization reaction; aromatization reaction; hydro-cracking reaction; alkylation reaction; adsorption separation; selective hydrogenation; esterification; etherification; biomass pyrolysis; base catalysis, including ester exchange

Special Issue Information

Dear Colleagues,

Acid catalysis is among the oldest tools in synthetic chemistry, yet it is undergoing a dramatic renaissance. Spurred by tightening environmental regulations and the global shift toward renewable carbon, researchers are moving beyond corrosive mineral acids and stoichiometric Lewis acids to create tunable solid acids, switchable Brønsted ionic liquids, and single-site heterogeneous catalysts that rival or exceed the activity and selectivity of their homogeneous counterparts. During the past decade, operando spectroscopy and data-driven computation have transformed our understanding of proton-transfer pathways, enabling predictive design of acid strength and confinement effects. These insights have translated directly to scalable processes: cellulose is now depolymerized to glucose in water under mild pH, lignin-derived phenolics are upgraded to jet-fuel aromatics in fixed-bed reactors, and pharmaceutical intermediates are produced in continuous flow with E-factors below 5. Looking ahead, the integration of acid catalysis with electro-, photo- and mechanochemistry, together with reactor–separation coupling and AI-guided discovery, is poised to deliver next-generation processes that are not only highly efficient but also fully aligned with circular-economy principles. This Special Issue captures the full trajectory—from fundamental mechanism to industrial implementation—highlighting the strategies and applications that define the current frontier of acid-catalyzed science.

Dr. Yueqin Song
Guest Editor

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Keywords

  • acid catalysis
  • solid acids
  • green chemistry
  • biomass valorization

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Published Papers (2 papers)

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Research

20 pages, 6057 KB  
Article
Time-Dependent Evolution of 1-Pentene Cracking Pathways on H-ZSM-5 Zeolite: Role of Olefin Adsorption and Diffusion
by Shiang He, Shikun Zhong, Yueqin Zhang, Lingtao Liu and Youhao Xu
Catalysts 2026, 16(3), 230; https://doi.org/10.3390/catal16030230 - 2 Mar 2026
Cited by 1 | Viewed by 919
Abstract
While temperature and acidity dominate the design of zeolite catalysts for olefin cracking, the role of reaction time as an independent variable governing pathway dynamic remains elusive. This study integrates experimental and simulation methods to unravel the dynamic competition among carbenium ion cracking, [...] Read more.
While temperature and acidity dominate the design of zeolite catalysts for olefin cracking, the role of reaction time as an independent variable governing pathway dynamic remains elusive. This study integrates experimental and simulation methods to unravel the dynamic competition among carbenium ion cracking, thermal cracking and Confined Catalytic Radical (CCR) pathways during 1-pentene cracking on H-ZSM-5 zeolite at 650 °C. Analysis of the optimum performance envelope (OPE) curves for cracking products revealed that, in the initial reaction stage, the CCR mechanism significantly enhances ethylene yield. As the reaction time prolongs, C5+ olefins in the gas phase undergo further cracking on the zeolite surface, markedly increasing the contribution of the carbenium ion pathway. Molecular simulations indicate that C5+ olefins exhibit stronger adsorption capacity but lower diffusion coefficients on H-ZSM-5, and this adsorption–diffusion disparity is a key factor influencing the evolution of 1-pentene cracking pathways. Concurrently, thermal cracking reactions are also enhanced with increasing residence time, which is unfavorable for ethylene formation. This work elucidates the time-dependent evolution of 1-pentene cracking pathways and the regulatory role of intraparticle mass transfer, providing a theoretical basis for optimizing light olefin selectivity through the adjustment of reaction time and catalyst structure. Full article
(This article belongs to the Special Issue Exploring Acid–Catalyzed Processes: Strategies and Applications)
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18 pages, 2516 KB  
Article
Isomerization Behavior Comparison of Single Hydrocarbon and Mixed Light Hydrocarbons over Super-Solid Acid Catalyst Pt/SO42−/ZrO2/Al2O3
by Yueqin Song, Ziyuan Peng, Lei Huang, Lifang Chen and Xiaolong Zhou
Catalysts 2026, 16(2), 164; https://doi.org/10.3390/catal16020164 - 3 Feb 2026
Viewed by 1002
Abstract
The hydroisomerization reaction of light alkanes was used to improve their octane value. Industrial light alkane feeds usually contain a certain amount of cycloalkanes and aromatics (known as hydrocarbon impurities). In this study, the influence of hydrocarbon impurities on the isomerization activity of [...] Read more.
The hydroisomerization reaction of light alkanes was used to improve their octane value. Industrial light alkane feeds usually contain a certain amount of cycloalkanes and aromatics (known as hydrocarbon impurities). In this study, the influence of hydrocarbon impurities on the isomerization activity of n-alkanes over Pt/SO42−/ZrO2/Al2O3 (PSZA) was investigated in a continuous flow fixed-bed reactor, TPSR, and pulse reactor. The reason for the influence of hydrocarbon impurities on the isomerization activity of n-alkanes was also discussed by using in situ adsorption–desorption and temperature-programmed reactions. The catalyst was characterized by XRD, PyIR, N2 adsorption–desorption, TEM, and XRF. The results showed that the prepared catalyst contained mainly tetragonal zirconia and possessed a large amount of strong B and L acid sites. A certain amount of hydrocarbon impurities obviously inhibited the isomerization conversion of n-alkanes. The extent of the inhibition was very dependent on the kind of hydrocarbon impurities, n-alkane carbon number, and reaction temperature. Lighter n-alkane isomerization conversion was influenced to a greater extent. And the increase of reaction temperature could weaken its inhibitory effect. The results provided a reference and base for the industrial application of light alkane hydroisomerization over PSZA. Full article
(This article belongs to the Special Issue Exploring Acid–Catalyzed Processes: Strategies and Applications)
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