▎ 摘　　要

NOVELTY - Cleaning graphene oxide comprises (i) injecting graphene oxide slurry with a material content of 0.1-0.5% into a rotary washer with a lining Polytetrafluoroethylene (PTFE) centrifugal pump, and recovering separated acid-containing and salt-containing waste liquid through recovery tank, (ii) injecting deionized water into the rotary washer, diluting the cleaned slurry with deionized water, and rotating again to discharge the washing waste liquid, (iii) repeating steps (ii) to 6 times, and (iv) total washing time from step (i) to step (iii) is 12 hours, introducing the dust-removed compressed air of 0.1-0.5 MPa into a rotary washer, and back-flushing the separated material. USE - The method is useful for cleaning graphene oxide. ADVANTAGE - The method: saves water; is simple; and shortens washing cycle and material washing quality.