▎ 摘　　要

NOVELTY - A graphene sewage purifying agent comprises 20-50 parts of bentonite, 40-60 parts of kieselguhr, 20-30 parts of synergistic agent, and 5-10 parts of graphene. USE - As graphene sewage purifying agent (claimed). ADVANTAGE - The material of graphene sewage purifying agent has wide source. The graphene sewage purifying agent is prepared by simple and low cost preparation process; provides good purifying effect; and doesn't provide secondary pollution.