Subject
Hydrogen sulfide,
Sulfur,
Cavitation,
Water,
Piping,
Couplings,
Solids,
Iron,
Corrosion attacks,
Bacteria,
Steel,
Carbon dioxide,
Carbon steel
Most of the common iron and sulfur bacteria contribute to the corrosion process experienced in water wells. Iron precipitated by the iron bacterial may form tubercles with an anaerobic area in the center. Differential concentration cells are produced which cause direct corrosion or may be further aggravated by possible growth of anaerobic bacterial in the area.
Sulfur bacteria create strongly acidic conditions, thus creating a vigorous source of corrosion. Aerobic sulfur bacterial can oxidize sulfur or reduce sulfur compounds to sulfuric acid to promote acid corrosion.
These bacteria can reduce the flow of water into the well and must be removed periodically with acids and strong chlorine solutions.
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