▎ 摘　　要

NOVELTY - The utility model claims a device for processing substrate sludge by combining graphene photo-catalytic network with microorganism, comprising a microbial original battery unit, an electric energy utilization unit, an air communication unit; graphene photo-catalytic net; the microbial original battery unit is provided with several and connected through the air connecting unit; the air connecting unit is used for introducing the external air into each microbial primary battery unit; the microbial primary battery unit is inserted into the bottom mud so that the bottom mud microorganism can catalyze and generate electric energy in the microbial primary battery unit; the electric energy utilization unit is provided with several and correspondingly connected with several microbial original battery unit so as to store and release electric energy generated by the microbial original battery unit; the graphene photo-catalytic net is set on the top of the microbial original battery unit, the electric energy utilization unit and the air connecting unit. The utility model can fully use the electric energy generated by the sludge treatment, and improve the processing effect.