▎ 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. willow leaves, 2-10 pts. wt. nano graphene and 2-8 pts. wt. magnetite waste residue. USE - As petroleum hydrocarbon wastewater treatment agent. ADVANTAGE - The wastewater treatment agent has a simple formula, and is cost-effective and easy to use. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the wastewater treatment agent, which involves pulverizing and uniformly mixing the above-mentioned components.