Anaerobic Corrosion - Transformation of Ferrous Hydroxide Into Magnetite

Transformation of Ferrous Hydroxide Into Magnetite

Under anaerobic conditions, the ferrous hydroxide (Fe(OH)2 ) can be oxidized by the protons of water to form magnetite and molecular hydrogen. This process is described by the Schikorr reaction:

3 Fe(OH)2 → Fe3O4 + H2 + 2 H2O
ferrous hydroxidemagnetite + hydrogen + water

The well crystallized magnetite (Fe3O4) is thermodynamically more stable than the ferrous hydroxide (Fe(OH)2 ).

This process also occurs during the anaerobic corrosion of iron and steel in oxygen-free groundwater and in reducing soils below the water table.

Read more about this topic:  Anaerobic Corrosion

Other articles related to "transformation of ferrous hydroxide into magnetite, ferrous, magnetite":

Distribution of Deposits - Transformation of Ferrous Hydroxide Into Magnetite
... Under anaerobic conditions, the ferrous hydroxide (Fe(OH)2 ) can be oxidized by the protons of water to form magnetite and molecular hydrogen ... reaction 3 Fe(OH)2 → Fe3O4 + H2 + 2 H2O ferrous hydroxide → magnetite + hydrogen + water The well-crystallized magnetite (Fe3O4) is thermodynamically more stable than the ferrous hydroxide (Fe(OH)2 ) ...

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