Preparation method of titanium-based composite PbO2 anode for water treatment
A technology for water treatment and anode, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problems of short service life, poor electrode stability, low electrode electrocatalytic activity, etc. The effect of strong wear resistance, reduced grain size and extended service life
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[0024]The present invention is further detailed below with reference to the accompanying drawings and examples:
[0025]Firstly, it is used as a matrix, alkali washing, and acid washing, a single layer β-PBO is prepared by electrochemical co-deposition technique.2-SNO2Composite intermediate layer, then use Ti / β-PBO2-SNO2The electrode material is an anode, and the asylum-based stainless steel is a cathode, anode electrode oxidation prepared β-PBO.2The active layer, thereby obtaining Ti / β-PBO having good surface dense, uniform, stability and activity.2-SNO2 / β-PBO2Active anode material. β-Pbo2-SNO2Composite intermediate layer preparation process parameters: PB (NO3)2: 0.45mol / L, SBS: 30mg / L, SNO2: 10g / L, deposition thickness control 40 μm, DC deposition anodate current density: 1A / DM2, Time 1 h, stirring rate of 800r / min, electrodeposition temperature is 50 ° C, electrodeposition time is 1 h, after completion of the sample is mixed with 20% nitric acid and rinse, blow dry, ...
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