▎ 摘　　要

NOVELTY - Petroleum hydrocarbon wastewater treatment agent comprises 4-20 pts. wt. polyvinyl alcohol, 1-8 pts. wt. formamide, 2-10 pts. wt. gelatin, 10-20 pts. wt. herba violae, 2-10 pts. wt. nano graphene, and 2-8 pts. wt. magnetite slag. USE - Petroleum hydrocarbon wastewater treatment agent. ADVANTAGE - The wastewater treatment agent has simple formulation, low cost, is simple to use, and adopts herba violae that has not been used in existing treatment agent. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of petroleum hydrocarbon wastewater treatment agent by uniformly mixing components after pulverization.