PdM (M = Ni, Cu, Co, Fe) bimetallic catalysts were prepared by a precipitation and then reduction method. PdFe bimetal showed superior catalytic performance. The different supports (XC-72, AC, SiO₂, Al₂O₃, TiO₂) loaded PdFe catalysts were further investigated by physical adsorption, FESEM, XRD, TEM and XPS. It was found that Fe promoted the precipitation of Pd on the surface of the supports. Meanwhile TiO₂ as more suitable supports improved the dispersion, surface concentration and available amount of Pd compared to other carriers and then accelerated the catalytic activities of PdFe bimetal for HBIW and TADBIW debenzylation.

通过沉淀然后还原的方法制备了PdM（M = Ni，Cu，Co，Fe）双金属催化剂。PdFe双金属显示出优异的催化性能。通过物理吸附，FESEM，XRD，TEM和XPS进一步研究了负载不同载体（XC-72，AC，SiO ₂，Al ₂ O ₃，TiO ₂）的PdFe催化剂。发现Fe促进了Pd在载体表面上的沉淀。同时，与其他载体相比，TiO ₂作为更合适的载体改善了Pd的分散性，表面浓度和有效量，进而加快了PdFe双金属对HBIW和TADBIW脱苄基反应的催化活性。