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Abstract <p>A nickel-based catalyst supported on alumina–zirconia–ceria oxides was investigated to evaluate its performance in the dry reforming of glycerol. The reaction was carried out at 700°C and atmospheric pressure, with a glycerol/CO<sub>2</sub> molar ratio of 1. The catalyst demonstrated stable performance for 7 hours onstream, achieving glycerol and CO<sub>2</sub> conversions of 60% and 47%, respectively, with corresponding H<sub>2</sub> and CO yields of 48% and 58%. Thermogravimetric analysis (TGA) confirmed carbon deposition; however, this did not lead to significant catalyst deactivation. These results highlight the potential of the synthesized catalyst for glycerol conversion for the production of syngas and hydrogen from renewable feedstock.</p>

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Active and Stable Ni/Al2O3–(Zr + Ce)O2 Catalyst for Syngas Production via Glycerol Dry Reforming

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • Yuri Fionov,
  • Sophya Semenova,
  • Seraphim Khaibullin,
  • Elena Fionova,
  • Irena Bratchikova,
  • Andrey Kharlanov,
  • Anna Zhukova

摘要

Abstract

A nickel-based catalyst supported on alumina–zirconia–ceria oxides was investigated to evaluate its performance in the dry reforming of glycerol. The reaction was carried out at 700°C and atmospheric pressure, with a glycerol/CO2 molar ratio of 1. The catalyst demonstrated stable performance for 7 hours onstream, achieving glycerol and CO2 conversions of 60% and 47%, respectively, with corresponding H2 and CO yields of 48% and 58%. Thermogravimetric analysis (TGA) confirmed carbon deposition; however, this did not lead to significant catalyst deactivation. These results highlight the potential of the synthesized catalyst for glycerol conversion for the production of syngas and hydrogen from renewable feedstock.