Production of chlorine and sodium hydroxide, comprises electrolyzing aqueous sodium chloride solution using gas diffusion electrodes with pressure compensation

摘要

Production of chlorine and sodium hydroxide comprises electrolyzing an aqueous sodium chloride solution using gas diffusion electrodes with a pressure compensation between the height-dependent pressure of the sodium hydroxide in front of the gas diffusion electrode and the constant pressure of the oxygen behind the electrode, in which oxygen is guided through gas pockets. Production of chlorine and sodium hydroxide comprises electrolyzing an aqueous sodium chloride solution using gas diffusion electrodes with a pressure compensation between the height-dependent pressure of the sodium hydroxide in front of the gas diffusion electrode and the constant pressure of the oxygen behind the electrode, in which oxygen is guided through gas pockets. An opening is arranged in the gas bell below the liquid level in the bell.