Preparation method of magnetic heteropoly acid-graphene composite catalytic material

The invention provides a preparation method of a magnetic heteropoly acid-graphene composite catalytic material and belongs to the field of chemical catalytic materials.Ferrous sulfate, sodium hydroxide, polyvinylpyrrolidone and urea are mixed with a graphene solution, and hydrothermal reaction is performed to obtain a magnetic carrier material; the magnetic carrier material is dissolved in distilled water under ultrasonic conditions, then hexadecyl trimethyl ammonium bromide and a heteropoly acid material are added, magnetic separation is performed to obtain a solid after mixing, and washing and drying are performed to obtain themagnetic heteropoly acid composite catalytic material. The method is simple, the raw materials are easy to obtain, the prepared material isuniform in magnetic particle morphology and uniform in distribution, and the magnetic carrier has a larger specific surface area. 具有磁性的杂多酸-石墨烯复合催化材料的制备方法，属于化学催化材料领域，将硫酸亚铁、氢氧化钠、聚乙烯吡咯烷酮和脲素与石墨烯溶液混合后进行水热反应，取得磁性载体材料；超声条件下将磁性载体材料溶解于蒸馏水中，然后加入十六烷基三甲基溴化铵和杂