首先比较了金属钴、氮化物和磷化物催化剂对甲烷干重整的催化稳定性

IF 1.4 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2025-01-02 DOI:10.1080/10426507.2025.2450402

Yan Zhao , Yuchao Cui , Na Sun , Hongda Wu , Zhiwei Yao

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引用次数: 0

摘要

首次比较了MgO负载的金属钴、氮化物和磷化物相对甲烷干重整反应的催化稳定性。Co/MgO、Co4N/MgO和Co2P/MgO催化剂的初始CH4转化率分别为88.1、87.7和86.0%。但经过15 h的试验，这些数值逐渐下降，分别为69.9、75.0和79.4%。与Co和Co4N催化剂相比，Co2P催化剂表现出更好的稳定性。Co2P/MgO催化剂的稳定性增强是由于其粒径更小，CH4和CO2的解离率比更低。

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First comparison of the catalytic stability of cobalt metal, nitride and phosphide catalysts for dry reforming of methane

For the first time, the catalytic stability of cobalt metal, nitride, and phosphide phases supported on MgO was compared for dry reforming of methane. The initial CH₄ conversions for Co/MgO, Co₄N/MgO, and Co₂P/MgO catalysts were 88.1, 87.7 and 86.0%, respectively. However, after 15 h of testing, these values gradually decreased to 69.9, 75.0 and 79.4%, respectively. The Co₂P catalyst demonstrated superior stability compared to the Co and Co₄N catalysts. The enhanced stability of the Co₂P/MgO catalyst was attributed to its smaller particle size and a lower ratio of CH₄ and CO₂ dissociation rates.

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来源期刊

Phosphorus, Sulfur, and Silicon and the Related Elements 化学-无机化学与核化学

CiteScore

2.60

自引率

7.70%

发文量

103

审稿时长

2.1 months

期刊介绍： Phosphorus, Sulfur, and Silicon and the Related Elements is a monthly publication intended to disseminate current trends and novel methods to those working in the broad and interdisciplinary field of heteroatom chemistry.