▎ 摘　　要

NOVELTY - The method involves placing graphene liquid to be treated into a storage tank for primary precipitation. The graphene material liquid is pressurized by a pressurization pump and sent to a ceramic film device after removing impurities of the graphene material liquid after precipitation. The graphene liquid entering the ceramic film equipment is filtered through ceramic film nanofiltration and deacidified. The graphene liquid is filtered fully to obtain a ceramics concentrated solution. USE - Method for de-acidifying graphene material liquid used in graphene production technology field. ADVANTAGE - The method is capable of effectively reducing the operation time and water consumption by concentrating and filtering the graphene material liquid, and reducing the production cost. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a device for de-acidifying graphene material liquid.