DK22122C -
Procedure in the production of hydrogen by alternating reduction of iron oxides and renewed oxygenation by means of water vapor.
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Procedure in the production of hydrogen by alternating reduction of iron oxides and renewed oxygenation by means of water vapor.
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DK22122D1915-09-04
Procedure in the production of hydrogen by alternating reduction of iron oxides and renewed oxygenation by means of water vapor.
DK22122C
(en)
Process for the production of cyan compounds and ammonia, in which the ammonia is developed by means of cyan compounds by treating these with water vapor.