A new kind of bi-supported metal catalysts was prepared by using columniform alumina and acrylon and Pd. The catalysts are very stable and are easy to use and prepare.

• 首次采用市售腈纶纤维和圆柱状氧化铝颗粒为双负载体系，制备了双负载金属钯催化剂。该类催化剂非常稳定,制备和使用也很简便。