▎ 摘　　要

NOVELTY - Preparation of heteropoly acid-graphene composite catalytic material involves mixing ferrous sulfate, sodium hydroxide, polyvinylpyrrolidone and urea with graphene solution, hydrothermally reacting, filtering, washing solid phase, drying to obtain magnetic carrier material, mixing sodium tungstate and zinc nitrate with water, heating, filtering, crystallizing to obtain heteropoly acid material, dissolving carrier material in water ultrasonically, adding cetyltrimethylammonium bromide and heteropoly acid material, performing magnetic separation, washing and drying. USE - Preparation of heteropoly acid-graphene composite catalytic material (claimed). ADVANTAGE - The composite catalytic material having large specific surface area is produced by simple method. DETAILED DESCRIPTION - Preparation of heteropoly acid-graphene composite catalytic material involves dissolving graphene oxide in distilled water ultrasonically to obtain graphene solution, mixing ferrous sulfate, sodium hydroxide, polyvinylpyrrolidone and urea with graphene solution, hydrothermally reacting, filtering, washing solid phase, drying to obtain magnetic carrier material, mixing sodium tungstate and zinc nitrate with distilled water, heating, filtering, collecting the filtrate, crystallizing to obtain heteropoly acid material, dissolving carrier material in distilled water ultrasonically, adding cetyltrimethylammonium bromide and heteropoly acid material, stirring, performing magnetic separation, washing and drying.