Microbial Concentration of Iron and Manganese in Water With Low Concentrations of These Elements

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Abstract
Various microorganisms are known to concentrate iron and manganese in water supplies by depositing hydroxides of these elements in sheaths and stalks or in the slime layer adjacent to the microorganism cell. Iron bacteria are commonly found in waters that provide a continuous supply of ferrous ions and are most troublesome in water supplies in which the iron content is 1 ppm or greater. A large ensheathed bacterium has been studied that concentrates iron and manganese in its sheaths and that flourishes in a water supply containing, by chemical analysis, no detectable manganese and less than 0.02 ppm iron.
Funding Information
  • U.S. Public Health Service (6430)

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