▎ 摘　　要

NOVELTY - A magnetic graphite alkenyl zinc oxide composite material is prepared by dissolving zinc acetate dihydrate in anhydrous ethyl alcohol at 60 degrees C for 3 hours, dissolving lithium hydroxide hydrate in anhydrous ethyl alcohol, ultrasonic dispersing, mixing both solution at 0 degrees C for 30 minutes, and obtaining colorless and transparent zinc oxide sol; and ultrasonic dispersing magnetic graphene in zinc oxide sol for 20 minutes, adding anhydrous ethyl alcohol, stirring, standing overnight, precipitating, washing precipitate with anhydrous ethyl alcohol, and vacuum drying. USE - Method for preparing magnetic graphite alkenyl zinc oxide composite material for photocatalysis of rhodamine and rhodamine B (claimed). ADVANTAGE - The method is simple and easy to implement. DETAILED DESCRIPTION - Preparing magnetic graphite alkenyl zinc oxide composite material comprises: (A) dissolving ferric chloride hexahydrate in ethanediol to obtain yellow transparent solution, adding graphene oxide, ultrasonic dispersing, adding anhydrous sodium acetate, magnetic stirring for 30 minutes, placing in reaction kettle, putting in oven box at 220 degrees C for crystallization for 8-72 hours, washing product with ethyl alcohol, vacuum drying, and obtaining graphene compound magnetic material; (B) dissolving ferric chloride hexahydrate into mixed solution of different volume ratio of ethanediol/polyethylene glycol, ultrasonic stirring to obtain yellow transparent solution, adding graphene oxide, ultrasonic dispersing, adding anhydrous sodium acetate, ultrasonic stirring for 30 minutes, placing solution into stainless steel reaction kettle, putting in oven box at 220 degrees C for crystallizing for 8-72 hours, washing black flocculent substance with ethyl alcohol, magnetic separating, cooling, and vacuum drying to obtain different size ferric oxide nanomicrosphere embellish magnetic graphene composite material; (C) dissolving zinc acetate dihydrate in anhydrous ethyl alcohol at 60 degrees C for 3 hours, dissolving lithium hydroxide hydrate in anhydrous ethyl alcohol, ultrasonic dispersing, mixing both solution at 0 degrees C for 30 minutes, and obtaining colorless and transparent zinc oxide sol; and (D) ultrasonic dispersing magnetic graphene in zinc oxide sol for 20 minutes, adding anhydrous ethyl alcohol, stirring, standing overnight, precipitating, washing precipitate with anhydrous ethyl alcohol, and vacuum drying.