采用偕胺肟改性聚丙烯腈(PAN)非织造布作为载体材料,将其与Cu2+和Fe3+的混合溶液进行反应制备双金属负载PAN非织造布催化剂.采用XPS和UV-Vis对催化剂的分子结构进行了表征,然后考察了其在甲醛气体氧化降解反应中的催化作用.结果表明,Cu2+和Fe3+均是通过与偕胺肟基团中的羟基和氨基的配位作用负载于PAN非织造布上,而且两种金属离子可能通过配体发生了相互作用.此外,与Fe3+的单金属催化剂相比,适量掺杂Cu2+能够有效提高催化体系在甲醛降解反应中的催化活性,尤其有利于其在暗反应时催化降解甲醛气体,这主要归因于Cu2+/Cu+价态转化促进了强氧化性中间体Fe(Ⅳ)=O的生成.%A Cu-Fe bimetallic catalyst was prepared by immersing amidoximated PAN nonwovens into the mixed metal solution containing CuSO4 and FeCl3.The catalyst was characterized by X-ray photoelectron spectroscopy(XPS)and ultraviolet-visible spectroscopy(UV-vis),and then employed in the oxidative degradation of formaldehyde.The results suggested that Cu2+ and Fe3+ was immobilized onto the catalyst through coordination bonds with O-H and-NH2 in amidoxime group,and there may exist interaction between the two kinds of metal ions through the ligands.In addition,doping Cu2+ make the bimetallic catalyst exhibited better catalytic activity than the monometallic Fe3+ catalyst in formaldehyde degradation,especially under visible light and dark state,this should be attributed to the valence state transformation between Cu2+ and Cu+ which accelerate the generation of high oxidizing Fe(Ⅳ)=O.
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机译：Desinfectie van materieel na Besmetting遇见Biologische aerosolen：Desinfecterende Werking van Ds-2（去污溶液2），甲醛en Chloorbleekloog a 86 / m / 029 Desinfectiegeboeligheid van micro-Organismen（用生物气溶胶污染后的设备消毒：Ds-的消毒行为2（去污溶液2），甲醛和次氯酸钠a 86 / m / 029）
