▎ 摘　　要

NOVELTY - The method for size grading flow-type continuous stripped graphite oxide and graphene oxide, involves maintaining difference in penetration property of a porous ceramic separation membrane by using flexible graphene oxide and rigid graphite oxide, peeling off the obtained graphite oxide, continuously flowing the olefin-graphite oxide mixture through a multi-stage single-channel membrane tube equipped with a porous ceramic separation membrane of different pore diameters, separating the graphene oxide by a multi-stage membrane tube with a decreasing membrane pore diameter while separating the graphene oxide. USE - Method for size grading flow-type continuous stripped graphite oxide and graphene oxide. ADVANTAGE - The method improves the quality and dimensional uniformity of graphene oxide, and is simple in process, high in efficient, economical and suitable for large-scale industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for device for size grading flow-type continuous stripped graphite oxide and graphene oxide, comprises a reaction vessel equipped with an ultrasonic generator and a stirring device. A multi-stage membrane tube is equipped with porous ceramic separation membranes of different pore diameters. The two ends of the membrane of the membrane tube (I) are respectively connected to the outlet of the centrifugal pump and the top of the reaction vessel through a pipeline. The inlet of the centrifugal pump is connected to the bottom of the reaction vessel to form a circulation passage of graphite oxide. The side outlet of the membrane tube (I) is connected to one end of the channel of the membrane tube (II). The other end of the channel is provided with a lead-out interface. The side outlet of the membrane tube (II) is connected to the end of the channel of the membrane tube (III). The side outlet of membrane tube (III) and the other end of the channel are respectively provided with a lead-out interface.