Biogas circulating electromagnetic anaerobic membrane bio-reactor for wastewater treatment

The invention discloses a biogas circulating electromagnetic anaerobic membrane bio-reactor for wastewater treatment. A reaction tank is separated into a main reaction area and a membrane separation area; the main reaction area and the membrane separation area are communicated at the bottom of the reaction tank; the top in the reaction tank is provided with a biogas collection area; magnetic biological carriers are added into the reaction tank; electrode plates and guide plates are arranged in the main reaction area; the electrode plates are connected with a direct current power supply; membrane components and a membrane washing device are arranged in the membrane separation area; one end of a biogas circulating system on the outer top of the reaction tank is connected with the biogas collection area, and the other end of the biogas circulating system is connected with the membrane washing device; the bottom of the reaction tank is provided with a sludge hopper and a wastewater distribution system; the wastew