Caustic soda is produced by electrolysis of aqueous salt solution, chlorine gas is produced by anode, and hydrogen and caustic soda are produced by cathode reaction.
Chlor alkali industry refers to the production of sodium hydroxide (NaOH), chlorine (Cl2) and hydrogen (H2) by electrolysis of saturated sodium chloride solution in industry, and the production of a series of chemical products with them as raw materials, which is called chlor alkali industry.
During the development of chlor alkali production, platinum, magnetic iron oxide, carbon, artificial graphite and other electrodes have been tried, but the effect is not goo. However, the use of precious metal mixed oxide coated titanium electrode has many advantages. Titanium anode for chlor alkali industry has the features of strong chemical corrosion resistance, low chlorine overpotential, good conductivity, high mechanical strength, easy processing and low price.
Current Density A/m2 | Chlorine ion content ppm | Chlorine production g/h.㎡ |
300-500 | 3000-5000 | 850--1050 |
1,Chlorine evolution potential: ≤ 1.13V
2,Polarizability: ≤30MV
3,Enhanced life: ≥3000min
4,enhanced weight loss:≤10mg
Coating X-Ray Test
Coating Thickness Test
Helium Leak Detection Test,
Contact Resistance Test
Performance Test and other test.
Work under high current density
Low anode potential
Low energy consumption
Initial chlorine evolution potential (saturated NaCl, Current Density=3kA/m2): ≤1.10Vcs SCE
Lifespan ≥6 years.
Chlorine evolution potential within Warranty (saturated NaCl, Current Density=3kA/m2): ≤1.172Vcs SCE
Shape of Titanium anode for chlor alkali industry: plate, mesh and other shapes.
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