Study on Modification Methods for Supports of Methanol Steam Reforming Catalysts: Mini-Review

Yupeng Xia

doi:10.6919/ICJE.202602_12(2).0007

Authors

Yupeng Xia

DOI:

https://doi.org/10.6919/ICJE.202602_12(2).0007

Keywords:

Supported Catalyst; Methanol Catalytic Reforming; Product Selectivity; Sintering; Carrier Modification.

Abstract

Load-type catalysts are widely used in heterogeneous catalytic reaction systems due to their high active component utilization, tunable structure, and ease of industrial scaling. Among these, methanol catalytic reforming for hydrogen production represents a significant hydrogen energy acquisition pathway. Methanol's abundant sources, convenient storage and transportation, and relatively high energy density make it highly promising for distributed hydrogen production. However, this reaction system features high Gibbs free energy and involves complex multistep processes including dehydrogenation, bond cleavage, and multivalent redox transformations. This complexity inevitably generates various carbon-containing chemical intermediates such as CO, formates, and methoxy groups. These intermediates not only occupy catalytic active sites and reduce reaction rates but may also lead to coking or metal sintering, causing catalyst deactivation and severely limiting overall reaction kinetics and stability. Therefore, there is an urgent need to develop supported catalysts with high activity, high selectivity, and long lifetime to achieve efficient hydrogen production with low byproduct formation. This paper focuses on supported catalysts, systematically reviewing current research progress in catalytic methanol reforming from two perspectives: support regulation and modification of supported active components. It emphasizes the influence of support acidity/basicity, defect/pore structure, metal dispersion, and interfacial interactions on catalytic performance. Finally, it summarizes and outlines future design strategies and development directions.

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