Catalytic performances of Ni3P for hydrodeoxygenation of phenol in aqueous phase using methanol as hydrogen donor

2026-06-09

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Yujie Zhao

Jianhua Li

Shuo Liu

Tianyu Han

Yuanyuan Wang *

Shetian Liu *

DOI：10.1016/j.cattod.2026.115886

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• High-performance HDO catalyst: Unsupported Ni₃P achieves >94% phenol conversion and 72.4% cyclohexane selectivity in aqueous phase using methanol as a sustainable hydrogen donor. • Superiority over metallic Ni: Ni₃P significantly outperforms monometallic Ni (15.8% conversion), demonstrating the crucial promotional role of phosphorus. • Mechanistic insight: A reaction network is established, linking in-situ hydrogen from methanol reforming to sequential hydrogenation-dehydration steps on the bifunctional Ni3P surface. • Critical stability assessment: The study reveals the severe hydrothermal deactivation of unsupported Ni3P, a major obstacle for practical application. • Root-cause deactivation analysis: A multi-technique characterization (XRD, XPS, TEM, Raman) identifies surface oxidation, phosphorus leaching, and particle restructuring as the core deactivation mechanisms.

Catalytic performances of Ni3P for hydrodeoxygenation of phenol in aqueous phase using methanol as hydrogen donor

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