钒酸铜催化剂促进CO催化氧化活性和SO2耐受性的机理

IF 3.9 3区工程技术 Q2 ENGINEERING, CHEMICAL

Industrial & Engineering Chemistry Research Pub Date : 2025-01-29 DOI:10.1021/acs.iecr.4c03753

Weiwei Luo, Jianbei Zhang, Jiefei Li, Yongjun Liu

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引用次数: 0

摘要

合成了一系列钒酸铜，并对其低温催化氧化CO的效果进行了表征。Cu3V2O8被认为是最活跃的相，因为它具有独特的电子结构和高活性的晶格氧（由Cu2+ -O-V5 +不对称氧网络中Cu和V之间的固体电子相互作用引起），通过增强CO的吸附和氧化而具有优异的催化性能。此外，由于其独特的晶体结构和电子分布阻碍了硫酸盐的形成，Cu3V2O8催化剂表现出了显著的抗硫性。这项研究提供了有价值的见解，为设计稳健，抗硫催化剂控制工业CO排放。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Mechanism of Copper Vanadate Catalysts for Promoting CO Catalytic Oxidation Activity and SO2 Tolerance

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Mechanism of Copper Vanadate Catalysts for Promoting CO Catalytic Oxidation Activity and SO2 Tolerance

A series of copper vanadates were synthesized and characterized to assess their efficacy in the low-temperature catalytic oxidation of CO. Cu₃V₂O₈ was identified as the most active phase due to its unique electronic structure and highly reactive lattice oxygen─resulting from the solid electronic interactions between Cu and V within the Cu²⁺–O–V⁵⁺ asymmetric oxygen network─which offers superior catalytic performance by enhancing CO adsorption and oxidation. Additionally, the Cu₃V₂O₈ catalyst exhibited remarkable resistance to sulfur poisoning, a characteristic attributed to its unique crystal structure and electron distribution that impedes sulfate formation. This study offers valuable insights into the design of robust, sulfur-resistant catalysts for the control of industrial CO emissions.

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来源期刊

Industrial & Engineering Chemistry Research 工程技术-工程：化工

CiteScore

7.40

自引率

7.10%

发文量

1467

审稿时长

2.8 months

期刊介绍： ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.