Water treatment device and method for producing gaseous ozone from anode and synchronously producing hydrogen peroxide from cathode

The invention provides a water treatment device and method with gaseous ozone produced by an anode and hydrogen peroxide produced by a cathode synchronously, and belongs to the technical field of water treatment.The water treatment device comprises a gas supply unit connected with an anode gas chamber and used for providing oxygen into the anode gas chamber; the electrochemical unit is provided with a gas diffusion cathode and a gas diffusion anode, a cathode chamber and an anode chamber are arranged between the gas diffusion cathode and the gas diffusion anode, the cathode chamber and the anode chamber are separated by an ion exchange membrane, one side of the gas diffusion anode is in contact with the anode chamber, and the other side of the gas diffusion anode is in contact with the anode gas chamber; one side of the gas diffusion cathode is in contact with the cathode gas chamber, the other side of the gas diffusion cathode is in contact with the cathode chamber, and the cathode gas chamber is connected w