▎ 摘　　要

NOVELTY - An oil wastewater treatment agent contains 35-45 pts. wt. polyacrylamide, 15-25 pts. wt. polyaluminum chloride, 12-18 pts. wt. expanded graphite, 15-20 pts. wt. zeolite mineral, 20-30 pts. wt. hydrolyzed tannin, 3-5 pts. wt. organic acid, 5-10 pts. wt. titanium dioxide, and 3-5 pts. wt. chitosan-graphene composite material. USE - An oil wastewater treatment agent (claimed). ADVANTAGE - Product has good treatment effect and sedimentation effect, fast settling, and high purity and elimination rate and is non-toxic and stable, and preparation process has low production cost and no secondary pollution and is simple. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of oil wastewater treatment agent which involves weighing raw materials, opening container, adding chitosan-graphene composite material, performing ultrasonic vibration for 10-20 minutes, adding polymerized aluminum chloride, expanded graphite, zeolite, hydrolyzed tannin, and organic acid to container in which component is added every 3 minutes while stirring, adding residual component to container, and stirring for 10-15 minutes.