Method for processing fluorine-containing aqueous solution
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United States of America
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Feb 18, 2020
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Apr 27, 2017
app pub date -
Mar 31, 2015
filing date -
Mar 31, 2015
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Abstract
The present disclosure provides a method for processing a fluorine-containing aqueous solution. The method comprises a reaction step for mixing in a vertical direction the fluorine-containing aqueous solution and a disiloxane compound represented by a general formula RaRbRcSiOSiRdReRf, wherein Ra, Rb, Rc, Rd, Re and Rf are selected independently from each other from a group consisting of a phenyl group and an alkyl group comprising from 1 to 20 carbon atoms and hydrogen, to react a fluorine ion in the fluorine-containing aqueous solution with the disiloxane compound, obtaining a first reaction liquid containing a monofluorosilane compound represented by general formulas RaRbRcSiF and RdReRfSiF.
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