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  • Title: Microbial sulfate reduction and its potential utility as an acid mine water pollution abatement procedure.
    Author: Tuttle JH, Dugan PR, Randles CI.
    Journal: Appl Microbiol; 1969 Feb; 17(2):297-302. PubMed ID: 5775914.
    Abstract:
    The presence of high concentrations of sulfate, iron, and hydrogen (acid) ions in drainage from coal mines and other areas containing waste pyritic materials is a serious water pollution problem. Sulfate can be removed from solution by microbial reduction to sulfide and subsequent precipitation as FeS. A mixed culture of microorganisms degraded wood dust cellulose, and the degradation products served as carbon and energy sources for sulfate-reducing bacteria. Metabolism of carbon compounds resulted in a net pH increase in the system. Oxidation-reduction potential (Eh) and temperature and carbon supplements were studied in an effort to accelerate the sulfate reduction process, with the ultimate objective of utilizing the process as a pollution abatement procedure.
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