Porous slow-release carbon filler coupled biological membrane electrode reaction device and preparation method of filler

The invention discloses a porous slow-release carbon filler coupled biological membrane electrode reaction device and a filler preparation method, and relates to the technical field of sewage treatment.The porous slow-release carbon filler coupled biological membrane electrode reaction device comprises a tank body and a tank base, a bearing frame is detachably installed at the upper end of the tank base, the tank body is detachably installed at the upper end of the bearing frame, and two electrode plates are divided into a positive electrode plate and a negative electrode plate; trivalent Fe ions generated by oxidation on the sponge iron side of the positive electrode plate are combined with OH generated by water electrolysis to generate Fe (OH) 3 colloid with flocculability, and phosphorus in the wastewater can be removed; the surface of a negative electrode plate carbon plate is rough, biofilm formation of microorganisms is facilitated, biofilms are formed on the surfaces of the electrode plates, ammoni