The invention relates to a novel electro-catalytic
composite membrane material and a preparation method thereof. The novel electro-catalytic
composite membrane material is characterized in that the material can couple electro-catalytic technology and membrane
separation technology. The preparation method comprises the following steps: taking a microporous separation membrane with electric
conductivity, namely a carbon membrane, as a substrate, adopting a
sol-
gel method, mixing a metallic compound, water, a
solvent, a catalyst, other additives and the like to be configured into a precursor solution, and obtaining an electro-catalytic
composite membrane by
sol ageing,
film coating,
drying and heat treatment; and preparing the composite membrane with superior performances by pretreating a substrate and controlling the mixture ratio of raw materials, the soakage time, the pulling speed, the
sintering temperature and the like. The novel electro-catalytic composite membrane material takes the electro-catalytic composite membrane as an
anode and a metallic material as a
cathode to treat
wastewater and realizes the reinforcement of the membrane
separation process and the self-cleaning function under the action of a low-
voltage electric field. The electro-
catalytic membrane material has the advantages of low
energy consumption, high separation efficiency, strong antifouling property and the like, and can be widely used for treating and recycling heavily polluted
wastewater such as
oily wastewater, dye
wastewater, paper-making wastewater and the like. The preparation method has the advantages of simple preparation process, cheap equipment, easily-obtained raw materials, convenient operation and suitability for industrialized implementation.