Over the Rh-SiO2 catalyst with the Rh content of 5% prepared by microemulsion method after milled into powder, the yield of 4-ACCA is 92.3%, which is higher than that over the catalyst prepared by impregnation method.

• 对于研碎后呈粉末状的负载量为5%25的Rh-SiO_2催化剂来说，对氨基环己烷甲酸的收率可高达92.；3%25，高于采用浸渍法制备的催化剂。