▎ 摘　　要

NOVELTY - Oxidation method for purification of single-particle nanodiamond material coated with three-dimensional graphene, involves purifying the mixture of a single-particle nanodiamond material containing a three-dimensional graphene, placing the mixture of single-particle nanodiamond material in an oxidizing solution of oxidizing apparatus after acidification process, transferring the mixed solution into filtering device after a certain oxidation time, and filtering and cleaning the mixed solution using purified water in a filtration device so as to remove amorphous carbon in the mixture. USE - Oxidation method for purification of single-particle nanodiamond material coated with three-dimensional graphene (claimed). ADVANTAGE - The oxidation method can reduce the corrosion damage of the oxidation apparatus, prolongs the service life and saves the cost. The amorphous carbon in the mixture can be effectively removed, and the purification rate is improved. DETAILED DESCRIPTION - Oxidation method for purification of single-particle nanodiamond material coated with three-dimensional graphene, involves purifying the mixture of a single-particle nanodiamond material containing a three-dimensional graphene, placing the mixture of single-particle nanodiamond material in an oxidizing solution of an oxidizing apparatus after the acidification process, oxidizing the mixture in the normal temperature and pressure, transferring the mixed solution into a filtering device after a certain oxidation time, and filtering and cleaning the mixed solution using purified water in a filtration device so as to remove the amorphous carbon in the mixture. The purification process is provided including magnetic separation, oxidation, acidification, alkalization and heavy liquid separation process. An oxidation device and a filtration device are utilized in the oxidation process.