levigate

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levigate

[′lev·ə‚gāt]
(botany)
(chemistry)
To separate a finely divided powder from a coarser material by suspending in a liquid in which both substances are insoluble. Also known as elutriation.
To grind a moist solid to a fine powder.
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References in periodicals archive ?
The waste levigation sludge is temporarily stored in open-air storage systems at the ceramics plants, or can be disposed of at considerable expense.
Objectives: The main objectives of the W-LAP project are to drastically reduce (more than threefold) water consumption in tile finishing, and to minimise levigation sludge production.
6 kg of levigation sludge/m2 of finished materials per square metre of finished materials will be reduced to zero without affecting tile weight;