Method for treating fluorine-containing aqueous solution

Method for treating fluorine-containing aqueous solution

Provided is an efficient method for treating a fluorine-containing aqueous solution, wherein the reaction of fluorine ions in the fluorine-containing aqueous solution with a disiloxane compound can proceed within a short time. A method for treating a fluorine-containing aqueous solution, which invol...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOIZUMI MICHINOBU, MOTOYAMA HITOSHI, OTOI KENJI, GO KAYUI, FUKITA NOBUO, ITAKURA SHOJI
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
NON-METALLIC ELEMENTS
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:Provided is an efficient method for treating a fluorine-containing aqueous solution, wherein the reaction of fluorine ions in the fluorine-containing aqueous solution with a disiloxane compound can proceed within a short time. A method for treating a fluorine-containing aqueous solution, which involves a reaction step of mixing the fluorine-containing aqueous solution with a disiloxane compound represented by the general formula: RaRbRcSiOSiRdReRf (wherein Ra, Rb, Rc, Rd, Re and Rf are independently selected from the group consisting of an alkyl group having 1 to 20 carbon atoms, a phenyl group and a hydrogen atom) in a vertical direction to cause the reaction of fluorine ions in the fluorine-containing aqueous solution with the disiloxane compound, thereby producing a first reaction solution containing monofluorosilane compounds respectively represented by the general formula: RaRbRcSiF and the general formula: RdReRfSiF.