▎ 摘　　要

NOVELTY - Photocatalytic treatment device of chlorinated aromatic organic contaminated soil comprises graphene-titania nano-tube photocatalytic composite plate (7), which comprises support panel and graphene-titania nano-tube layer supported on support panel. The thickness of graphene-titania nano-tube layer is 50-100 nanometer. The graphene and titania nano-tube are in mole ratio of 1:(10-40). The length of titanium dioxide nano-tube is 200-500 nanometer and diameter of is 2-5 nanometer. USE - Photocatalytic treatment device of chlorinated aromatic organic contaminated soil repairing eluent. ADVANTAGE - The photocatalytic treatment device of chlorinated aromatic organic contaminated soil repairing eluent is eco-friendly, not easy to fall off and conducive to rapid treatment of eluent, reduces total dosage of eluent, has high light absorption rate and remove pollutants. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene-titanium dioxide photochemical catalyst composite plate, which involves: (A) adding graphene oxide and titanium dioxide in mole ratio of 1:(10-40) to obtain suspension liquid; (B) adding suspension liquid to hydrothermal reaction to obtain graphene-titania nano-tube; (C) adding graphene-titania nano-tube to water and uniformly attached to surface of carrier panel; and (D) heating graphene-titania nano-tube carrier panel heated to obtain graphene-titania photochemical catalyst composite plate. DESCRIPTION OF DRAWING(S) - The drawing shows a microscope photograph of a photocatalytic treatment device of chlorinated aromatic organic contaminated soil repairing eluent. (drawing includes Non-English Language text). First stage of soil leaching repair (1) Second stage of soil leaching repair (2) Third stage of soil leaching repair (3) Fourth stage of soil leaching repair (4) Eluent feeding port (5) Photocatalytic reaction cell (6) Graphene-titanium dioxide photochemical catalyst composite plate (7) Leaching liquid outlet (8)