▎ 摘　　要

NOVELTY - Preparing fiber-reinforced type porous titanium-based electro-catalysis filter material comprises e.g. (i) soaking the titanium substrate in sodium hydroxide solution, placing it in a water bath, soaking in concentrated hydrochloric acid, processing in hydrogen peroxide and deionized water, alternately washing the titanium substrate with deionized water and absolute ethanol to neutral and drying to obtain the titanium substrate; (ii) mixing the porous titanium matrix pretreated and the 1-5 wt.% polymer agglomerant in the mold of the tablet press machine, pressing the titanium substrate into a flat laminated structure, and calcining; (iii) loading the nano middle layer on the flat laminated structure by an immersion method or an electrochemical deposition method; and (iv) loading of the active layer of the catalytic layer by one of the two methods of sol-gel method or electrodeposition method. USE - The method is useful for preparing fiber-reinforced type porous titanium-based electro-catalysis filter material. ADVANTAGE - The method prepares fiber-reinforced type porous titanium-based electro-catalysis filter material with enhanced the binding force between the catalytic layer and the substrate and the electron transport capacity, filtration retention performance and excellent electrocatalytic oxidation performance, improved catalytic activity and is less prone to passivation and deactivation. DETAILED DESCRIPTION - Preparing fiber-reinforced type porous titanium-based electro-catalysis filter material comprises e.g. (i) soaking the titanium substrate in 39-41% sodium hydroxide solution, placing it in a water bath at 75-85℃ for 9-11 minutes, soaking in 35-37% concentrated hydrochloric acid, processing in 29-30% hydrogen peroxide and deionized water for 10-25 minutes, the volume ratio of concentrated hydrochloric acid, hydrogen peroxide and deionized water is 1:1:10-1:1:20, alternately washing the titanium substrate with deionized water and absolute ethanol to neutral, placing it in an oven and drying at a constant temperature of 90-105℃ to obtain the titanium substrate; (ii) mixing the porous titanium matrix pretreated and the 1-5 wt.% polymer agglomerant in the mold of the tablet press machine, using the high-strength fiber substrate as the support layer, controlling the molding pressure at 50-100 MPa and at 10-30 minutes, pressing the titanium substrate into a flat laminated structure, and placing in a muffle furnace for calcination at 300-400℃ for 1-2 hours, where the resulting porous titanium matrix with a fibrous support layer; and (iii) loading the nano middle layer on the flat laminated structure by an immersion method or an electrochemical deposition method, where the immersion method comprises immersing the porous titanium material with a flat laminated structure in 0.1-0.5 wt.% ammonium fluoride, 1-3 wt.% poloxamer F27 and 0.5-2 mol/liter sodium perchlorate and water, placing in an oven at 90-150℃ to dry for 5-10 minutes and repeating the above steps for 20-30 times until the loading capacity of titanium nanomaterials is 0.3-0.4 g and the electrochemical deposition method comprises immersing the porous titanium material in the plate-like laminate in deposition solution composed of 0.1-0.5 wt.% ammonium fluoride, 1-3 wt.% ethylene glycol, 3-5 wt.% sodium perchlorate and water, using the porous titanium material with a flat laminated structure as the working electrode, the platinum electrode as the counter electrode, the voltage setting range is 10-40 V, the number of deposition cycles is 10-30 cycles, and the loading capacity of titanium nanomaterials is 0.65-0.8 g.