Hydrogen production facility

Abstract

Installation (1) for producing dihydrogen comprising a device (2) for purifying water, a device (3) for heating the water thus purified to form water vapor and an electrolyzer (4) configured to form at least one flow of dihydrogen from the water vapor. The heating device (3) is preferably configured to recover fatal heat. Corresponding method. Figure for abstract: Fig. 1

Claims

preferably comprising dioxygen, the installation (1) comprising a conduit (14) configured to be able to convey this extraction fluid to said first treatment device (2).

5. Installation (1) according to any one of claims 1 to 4, wherein the heating device (3) comprises at least one heat exchanger (21) configured to transfer heat from an energy vector to said input flow.

6. Installation (1) according to claim 5, in which said energy vector comprises a fluid containing heat coming from a fatal heat source.

7. Installation (1) according to any one of claims 1 to 6, in which the electrochemical device (4) comprises a solid oxide electrolyser.

8. Installation (1) according to any one of claims 1 to 7, in which the electrochemical device (4) is configured to receive a sweeping gas.

9. Installation (1) according to any one of claims 1 to 8, comprising one or more storage devices (33, 34) configured to respectively store one or more of said output streams formed by the electrochemical device (4).

10. A method for producing dihydrogen using a plant (1) according to any one of claims 1 to 9, the method comprising: - treatment, using said treatment device (2), of a fluid preferably comprising water so as to form a flow of this fluid in the liquid state, this flow being called "inlet flow", - heating, using said heating device (3), of the inlet flow to change the fluid of the inlet flow from the liquid state to the gaseous state, - operation of the electrochemical device (4) to form one or more outlet flows from the inlet flow in the gaseous state, the outlet flow(s) including an outlet flow which comprises dihydrogen.

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