Bacterial anaerobic corrosion
Bacterial anaerobic corrosion is a bacterially-induced oxidation of metals. In a humid environment and anoxic conditions the corrosion of metals occurs as a result of a redox reaction that generates molecular hydrogen from hydrogen ions, requiring bacteria, unlike anaerobic corrosion that occurs spontaneously. Fe + 2 H+ → Fe2+ + H2Fe + 2 H2O → Fe(OH)2 + H2 Usually, a thin film of molecular hydrogen forms on the metal. Sulfate-reducing bacteria, oxidize the molecular hydrogen to produce hydrogen sulfide ions (HS−) and water: 4 H2 + SO42− → HS− + 3 H2O + OH− The net equation comes to:
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Bacterial anaerobic corrosion
Bacterial anaerobic corrosion is a bacterially-induced oxidation of metals. In a humid environment and anoxic conditions the corrosion of metals occurs as a result of a redox reaction that generates molecular hydrogen from hydrogen ions, requiring bacteria, unlike anaerobic corrosion that occurs spontaneously. Fe + 2 H+ → Fe2+ + H2Fe + 2 H2O → Fe(OH)2 + H2 Usually, a thin film of molecular hydrogen forms on the metal. Sulfate-reducing bacteria, oxidize the molecular hydrogen to produce hydrogen sulfide ions (HS−) and water: 4 H2 + SO42− → HS− + 3 H2O + OH− The net equation comes to:
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Bacterial anaerobic corrosion ...... mful than anaerobic corrosion.
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Bacterial anaerobic corrosion ...... OH− The net equation comes to:
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Bacterial anaerobic corrosion
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Bakterielle anaerobe Korrosion
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