WHAT IS MICC??
•H2S produced from the wastewater by sulfur-reducing bacteria.
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•Absorption of H2S from sewer atmosphere into concrete.
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•H2S transformed into H2SO4 by sulfur-oxidizing bacteria, such as Thiobacillus species. This catalyzes the deterioration of concrete sewer pipes.
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•Corrosion-related bacteria live in biofilms with other species, such as Acidiphilium
(a heterotroph).
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http://www.nd.edu/~ssaddawi/Course499.htm