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以六种金属盐和磷钨酸为原料制备了Keggin结构杂多酸盐Mx/nH0.6PW(Zr0.6H0.6PW、Al0.8H0.6PW、Zn1.2H0.6PW、Fe0.8H0.6PW、Ti0.6H0.6PW和Sn0.6H0.6PW)和Alx/3H3-xPW(AlPW、Al0.8H0.6PW、Al0.5H1.5PW、Al0.3H2.1PW和Al0.1H2.7PW)催化剂,并对催化剂进行了FTIR、XRD、DSC/TGA、ICP等表征。对催化剂进行催化活性筛选后,确定Al0.5H1.5PW为最佳催化剂。研究了以Al0.