Method and apparatus for electrorefining impure hydrogen

Details Method and apparatus for electrorefining impure hydrogen Method and apparatus for electrorefining impure hydrogen

2007-02-13

2007-02-13

Phasge, Arun S. (Department: 1753)

Electrolysis: processes, compositions used therein, and methods

Electrolytic synthesis

Preparing nonmetal element

C205S637000, C205S763000, C204S277000, C204S278000

Reexamination Certificate

active

10427272

ABSTRACT:
A method and system for electrochemically purifying an impure stream of hydrogen. Hydrogen is absorbed into a gas diffusion anode from the impure hydrogen stream and oxidized to form hydrogen ions and electrons which are released into an alkaline solution. An electrolytic cathode also positioned in the alkaline solution decomposes water to form hydrogen and hydroxyl ions which combine with the hydrogen ions to maintain equilibrium of the system.

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