▎ 摘　　要

NOVELTY - Graphene sewage purifying agent comprises 3-10 pts. wt. bentonite, 15-22 pts. wt. nano kaoline, 4-9 pts. wt. kieselguhr, 25-35 pts. wt. graphene, 2.6-5.3 pts. wt. polyacrylamide, 5-10 pts. wt. gypsum powder, 1.2-3.6 pts. wt. aluminum oxide powder, 15-20 pts. wt. activated carbon and 320-430 pts. wt. deionized water. USE - As graphene sewage purifying agent. ADVANTAGE - The purifying agent is environmentally-friendly, and prepared simply and cost-effectively.