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Catalytic steam reforming of volatiles derived from waste corrugated cardboard gasification for hydrogen production by spinel-structured high-entropy oxide catalyst
发布时间：2026-08-27
  • 发表刊物：
    Energy
  • 关键字：
    Catalytic steam reforming; Gasification; High-entropy oxide; Waste corrugated cardboard; Hydrogen energy
  • 摘要：
    Enhancement of syngas production and improvement of hydrogen distribution are essential issues for the conversion of solid waste to energy via the gasification process. Recently, high-entropy oxides (HEO) have garnered widespread attention due to their impressive performance in thermochemical conversion. In this study, a spinel-structured HEO (FeCoNiCrMn)3O4 was synthesized and used for enhanced hydrogen production via catalytic reforming of volatiles derived from gasification of waste corrugated cardboard (WCC). The experiments were conducted on a two-stage fixed-bed reactor. In the 1st stage of gasification, the optimal reaction conditions with full utilization of volatiles were identified as a temperature of 900°C and a steam flow rate of 0.24 g/min, at which a H2 yield of 18.93 mmol/g was observed. In the 2nd stage of catalytic reforming at 800°C, superior performance of the HEO catalyst versus the NiFe2O4 catalyst was observed, with H2 yield of 31.29 mmol/g and H2 selectivity of 92.29%. The HEO catalyst performed consistently over 10 cycles, with no significant decrease observed in syngas distribution, higher heating value, or carbon conversion rate, which reveals excellent structural stability and regenerability of HEO. Favorable performance of HEO is attributed to the synergistic effect of multiple metal elements, which improves active sites distribution, enhances oxygen vacancy, and strengthens the stability, thus upgrading the ring-breaking ability for benzenes. This work validated the superior performance of HEO in enhanced hydrogen production via catalytic reforming of volatiles derived from gasification of WCC, and offered an application demonstration of HEO in the energy conversion of solid wastes.
  • 第一作者：
    Ludi Wang
  • 通讯作者：
    Qingbin Song
  • 全部作者：
    Yi Li,Liujie Xu,Zhipeng Tian,Gongming Xin,Ning Qin,Chao Wang,Ming Zhao
  • 论文类型：
    期刊论文
  • 论文编号：
    142044
  • 卷号：
    361
  • 页面范围：
    142044
  • DOI码：
    10.1016/j.energy.2026.142044
  • 是否译文：
    否
  • 发表时间：
    2026-07
  • 收录刊物：
    EI、SCI
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