Autotrophic bacteria and the formation of acid in bituminous coal mines.


The passage of water through certain bituminous coal mines results in a solution which is extremely acid in reaction because of its high content of ferrous sulfate, some aluminum sulfate, and lesser amounts of manganese sulfate. The ferrous iron is subsequently rapidly oxidized to the ferric state by an autotrophic bacterium. Autotrophic bacteria have also… (More)


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