Iron / manganese removal
Iron and manganese are unaesthetic parameters present mostly in groundwater, causing unwanted precipitation and color: Iron removal Iron removal is based on the precipitation of dissolved iron (Fe 2+) into its oxidized form (Fe 3+), as Fe(OH) 3 or Fe 2 O 3 Iron removal by physical-chemical way consists in iron oxidation by air followed by sand filtration, but other techniques exist as well:...
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