Abstract
The processes of obtaining ceramic microporous diaphragms based on aluminum and zirconium oxides have been studied. The diaphragm test results for long-term corrosion resistance are presented. It was shown that a ceramic material based on zirconium and aluminum oxides obtained at 1350 °C with linear shrinkage of 7,5 % has an open porosity of 49 % and a flexural strength of 48 MPa. The diaphragms obtained from this material can withstand pressure up to 1.0 MPa and can work under the conditions of electrolysis of aqueous solutions of chlorides for at least 40,000 hours.
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