▎ 摘　　要

NOVELTY - Preparation of catalyst with graphene oxide comprises preparing graphene oxide by chemical method, uniformly dispersing graphene oxide into ethanol, ultrasonically stirring to form graphene oxide suspension, grinding ferroferric oxide, adding diluted nitric acid, stirring, obtaining ferroferric oxide suspension solution, dropwise adding graphene oxide suspension, high speed stirring, standing, filtering out the upper solution, vacuum drying the obtained particles to obtain solid material, and grinding the solid material to obtain the product. USE - Preparation of catalyst with graphene oxide. ADVANTAGE - The method provides catalyst with graphene oxide, which has high catalytic activity and good magnetic properties, and is suitable for recovery and repeated use. DETAILED DESCRIPTION - Preparation of catalyst with graphene oxide comprises preparing graphene oxide by chemical method, uniformly dispersing graphene oxide into ethanol, ultrasonically stirring for 0.5-4 hours to form graphene oxide suspension, grinding ferroferric oxide for 0.5-1 hour, adding diluted nitric acid at 1:9 mol mass ratio, stirring, obtaining ferroferric oxide suspension solution, dropwise adding graphene oxide suspension at 30-50 degrees C, where each dropwise addition is conducted in 2-4 seconds interval, high speed stirring, standing for 3-5 hours, filtering out the upper solution, vacuum drying the obtained particles to obtain solid material, and grinding the solid material for 0.5-1 hour to obtain the product.