▎ 摘　　要

NOVELTY - The utility model claims a catering waste water biochemical treatment system based on modified graphene, comprising a waste water adjusting tank, a waste water reaction tank, a water sampling tank; a modified graphene reaction layer and an aeration device; one end of the waste water adjusting tank is connected with a waste water inlet pipe; the other end is connected with the waste water reaction tank through the water elbow pipe; one end of the water outlet sampling tank is connected with the waste water reaction tank through the water elbow pipe; the other end is connected with a waste water drain pipe; the modified graphene reaction layer is fixed in the waste water reaction tank and can be used for absorbing organic matter and difficult degradation in the waste water; the aeration device is located at the lower end of the modified graphene reaction layer; the catering waste water biochemical treatment system based on modified graphene; not only can ensure the water quality of the catering wastewater treatment reaches the regeneration and recycling standard, but also can overcome the sludge expansion, reduces the engineering investment and operation cost, has reliable technology, small investment, easy maintenance, convenient operation and management, without secondary pollution.