▎ 摘　　要

NOVELTY - Petroleum hydrocarbon waste water treatment agent comprises 4-20 pts. wt. polyvinyl alcohol, 1-8 pts. wt. formamide, 2-10 pts. wt. gelatin, 10-20 pts. wt. poinsettia, 2-10 pts. wt. nano graphene, and 2-8 pts. wt. magnetite slag. USE - Used as petroleum hydrocarbon waste water treatment agent. ADVANTAGE - The agent has simple composition, is economical, and uses simple treatment chemicals. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for the preparation of petroleum hydrocarbon waste water treatment agent, comprising mixing the components uniformly and crushing.