单词 | clarifier |
释义 | clarifierclar·i·fyC0386400 (klăr′ə-fī′)clarifiernounClarifierclarifier[′klar·ə‚fī·ər]Clarifieran installation for water purification in a water-supply system. It is used to remove suspended matter and colloidal impurities from water by passing the water upward through a layer of flocculant sediment, which was previously produced by a coagulant. The rate of upward flow in the clarification zone is controlled and ranges from 0.6 mm/sec (relatively clear, low-turbidity water) to 1.4 mm/sec (high-turbidity water), depending on the impurities present. The sediment layer in the clarifier must be at least 2 m thick, and the protective layer of clarified water above it must be at least 1.5 m deep. The excess of sediment is removed through receiving ports or pipes and passes into a sediment compactor, whose volume is 20–40 percent of the clarifier volume. clarifier
Synonyms for clarifier
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