Food and Fermentation Industries >

2026 , Vol. 52 >Issue 8: 64 - 71

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.043964

Preparation of Fe3+ doped TiO2 and its photocatalytic hydrogen production from corn stover fermentation

  • ZHANG Jingnan ,
  • LI Tiantian ,
  • LI Muqi ,
  • ZHOU Hanyu ,
  • DU Chen ,
  • XU Qingping ,
  • MA Rong
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  • 1(College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China)
    2(School of Perfume Aroma and Cosmetics, Shanghai Institute of Technology, Shanghai 201400, China)
    3(Technical Center of Hebei Tobacco Industry Co.Ltd., Shijiazhuang 050051, China)

Received date: 2025-07-19

  Revised date: 2025-09-11

  Online published: 2026-05-07

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Abstract

To improve the efficiency of hydrogen production by dark fermentation of straw biomass, the composite catalyst Fe3+ doped titanium dioxide (Fe3+/TiO2) was prepared by the sol-gel method.It was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), ultraviolet-visible diffuse reflectance (UV-vis), and photoluminescence spectroscopy (PL).The hydrogen production performance of the photocatalytic corn stover was studied.Results showed that Fe3+ doping reduced the particle size of the catalyst, broadened the light response range of TiO2, and inhibited the recombination of electron-hole pairs.When the pH of the catalytic system was 8, the irradiation time was 2 h, and the mass concentration of the composite catalyst was 0.3 g/L, the maximum cumulative hydrogen production of photocatalytic corn straw could reach (79.5±1.7) mL/g, which was 13.9% higher than that of the control group.The results of high-throughput sequencing technology analysis showed that the photocatalytic pretreatment of straw changed the microbial community structure and increased the abundance of fermentative hydrogen-producing bacteria.The growth synergy between fermentative hydrogen-producing bacteria and synergistic metabolic bacteria in the fermentation system effectively increased the production of hydrogen.The straw was characterized and determined by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), XRD, and derivative thermogravimetric analysis (DTG).The results showed that photocatalysis had a significant destructive effect on the surface morphology and structural components of straw, which was beneficial to fermentation hydrogen production.

Key words： Fe3+ doped TiO2; photocatalysis; corn straw; fermentative hydrogen production

Cite this article

ZHANG Jingnan , LI Tiantian , LI Muqi , ZHOU Hanyu , DU Chen , XU Qingping , MA Rong . Preparation of Fe3+ doped TiO2 and its photocatalytic hydrogen production from corn stover fermentation[J]. Food and Fermentation Industries, 2026 , 52(8) : 64 -71 . DOI: 10.13995/j.cnki.11-1802/ts.043964

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