氢氧直接合成过氧化氢用钯基催化剂研究进展

Research progress of Pd-based catalysts for DSHP from hydrogen and oxygen

开发高活性、高选择性的催化剂是实现氢氧直接合成过氧化氢(DSHP)工业化应用的关键。本文系统性地综述了Pd基DSHP催化剂的设计、制备与开发,从催化作用机理、活性组分优化、形貌与尺寸调控、载体选择、制备方法改进、反应添加剂选择、反应环境调节等角度,着重讨论了目前对Pd基催化剂的活性和选择性的优化策略。最后对DSHP用Pd基催化剂的研究进展进行了总结,并对其未来发展前景进行了展望。

The development of highly active and selective catalysts is the key to the industrial application of direct synthesis of hydrogen peroxide(DSHP)from hydrogen and oxygen.The design,preparation and development of Pdbased catalysts are emphatically reviewed from the perspectives of catalytic mechanism,optimization of active components,morphology and size control,support selection,improvement of preparation method,selection of reaction additive and reaction condition tuning,et al.In addition,the existing optimization strategies for the activity and selectivity of Pd-based catalysts are discussed systematically based on recent investigations.Finally,the research progress of Pd-based catalysts for DSHP is summarized,and the future development prospects are prospected.