Corrosion-resistant emulsion separation membrane as well as preparation method and application thereof

The invention relates to a corrosion-resistant emulsion separation membrane, the corrosion-resistant emulsion separation membrane is composed of a porous metal net and a pyrrole polymer layer coated on the surface, and the pyrrole polymer layer is coated on the surface of the metal net by placing the metal net in a phosphoric acid solution of pyrrole monomers for electrochemical polymerization. The invention also relates to a preparation method of the corrosion-resistant emulsion separation membrane and application of the corrosion-resistant emulsion separation membrane in separation of waste alkali liquor. The problems that a traditional emulsion separation membrane is complex in preparation process, cannot be repeatedly used, is not resistant to corrosion and the like are solved. A metal net is used as a base material, and the polypyrrole coating is generated through an electrochemical method. Phosphorus and oxygen groups in polypyrrole endow the surface of the separation membrane with extremely high surfac