▎ 摘 要
NOVELTY - A graphene-supported zirconia composite material is prepared by mixing graphene oxide and zirconium oxychloride at mass ratio of 2-5:5-8, mixing oxidized graphene dispersion with zirconium oxychloride solution, then adding sodium hydroxide to adjust the pH value to 8-14, to obtain precursor mixture, subjecting the precursor mixture to hydrothermal reaction at 190-210 degrees C for 20-60 minutes and washing and drying the material. USE - Graphene-supported zirconia composite material used for adsorbing and removing sulfate ions in water (all claimed). ADVANTAGE - The adsorption capacity is high, and the recycling process is easy. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) production of graphene-supported zirconia composite material; and (2) application of graphene-supported zirconia composite material.