Abstract:

In industrial gas deoxidation technology, catalytic deoxidation methods have been widely applied due to their high efficiency and deep removal capability. The development of cost-effective, highly active, selective, and durable catalysts is pivotal for catalytic deoxidation technology. This article reviews the current research on gas deoxidation catalysts, elucidating their mechanisms of catalytic deoxidation across various scenarios. It summarizes the influence patterns of active components, promoters, and supports on catalytic deoxidation performance from the perspective of catalyst structural design. Low-temperature activity, poison resistance, and long-term stability are important objectives in the development of deoxidation catalysts. The strategies for constructing highly active and stable deoxidation catalysts are summarized, mainly including physical methods of spatial confinement and chemical methods such as alloying of active centers and strong metal-support interactions. Finally, based on the current research and application status of gas deoxidation catalysts, the study highlights non-noble metal deoxidation catalysts, (hydro)thermally stable single-atom deoxidation catalysts, and multifunctional deoxidation catalysts as significant trends in the future development of deoxidation catalysts.

Key words: catalyst, separation, selectivity, (ultra-pure) high-purity gas, industrial gas deoxidation

摘要：

在工业气体脱氧技术中，催化脱氧法因其高效性和脱除深度被广泛应用，开发低成本、高活性、高选择性、耐久性强的催化剂是催化脱氧技术的关键。综述了气体脱氧催化剂的研究现状，阐述不同场景下催化脱氧机理，从催化剂结构设计角度总结活性组分、助剂和载体对催化脱氧性能的影响规律。低温活性、抗毒化性能和长周期稳定性是脱氧催化剂开发的重要目标，总结了构筑高活性、高稳定性脱氧催化剂的策略，主要包括空间限域的物理方法以及活性中心合金化、金属-载体强相互作用等化学方法。最后综合气体脱氧剂的研发和应用现状，指出非贵金属脱氧剂、（水）热稳定性单原子脱氧剂、多功能型脱氧催化剂是未来脱氧催化剂发展的重要趋势。

关键词: 催化剂, 分离, 选择性, （超）高纯气体, 工业气体脱氧