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Abstract

In order to provide a method of electrolysis for the electrolysis of water, in which water is decomposed electrolytically from an electrolysis medium and the electrolysis gases hydrogen and oxygen obtained are each separated from the liquid electrolysis medium in a gas separator, wherein a supply of water to balance out the water consumption resulting from the electrolysis is controlled by a determination of an electrolysis medium volume which is determined by the total amount of electrolysis medium in the method of electrolysis, and by means of which the total volume of the electrolysis medium in the plant can be maintained constant, it is proposed that at least one physical quantity which is characteristic of the electrolysis, and whose variation causes a change in the electrolysis medium volume in addition to the change in the electrolysis medium volume resulting from the water consumption, is measured and there is calculated from a deviation of this quantity from a predetermined reference value for this quantity an associated change in the electrolysis medium volume and said calculated change is allowed for in the control of the water supply.

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First Claim