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This study investigated the removal of coliform organisms by diatomite filtration, along with the factors that influence coliform removal such as raw water coliform level, filter aid permeability, flow rate, and body feed concentrations. In addition, the use of coated filter aids was investigated, as well as the use of small iron dosages to the raw water, to improve the removal process.
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Hunter et al. (1966) studied this question.
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