FIELD: treatment of natural water at insufficient content of fluorine. SUBSTANCE: proposed method consists in addition of sediment MgOHF into aluminum sulfate solution followed by proportioning this solution into water being treated in accordance with proposed design formula. EFFECT: simplification of water fluoridation process; enhanced safety; reduced operational expenses. 2 tbl
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Authors
Dates
2002-04-27—Published
2000-07-11—Filed