METHOD AND APPARATUS FOR REMOVING FLUORINE FROM FLUORINE-CONTAINING WASTE

METHOD AND APPARATUS FOR REMOVING FLUORINE FROM FLUORINE-CONTAINING WASTE

PROBLEM TO BE SOLVED: To provide a method for removing fluorine from fluorine-containing waste which can be performed in a shorter time than heretofore.SOLUTION: The method for removing fluorine includes: an introduction process of introducing fluorine-containing waste into a heating furnace 31 by u...

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Bibliographische Detailangaben
Hauptverfasser: YASUDA RYOKO, ADACHI TAKIO, MATSUURA TOSHIRO
Format: Patent
Sprache:eng
Schlagworte:
DISPOSAL OF SOLID WASTE
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
RECLAMATION OF CONTAMINED SOIL SOIL
SEPARATION
TRANSPORTING
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method for removing fluorine from fluorine-containing waste which can be performed in a shorter time than heretofore.SOLUTION: The method for removing fluorine includes: an introduction process of introducing fluorine-containing waste into a heating furnace 31 by using the heating furnace 31, a water vapor supplying means and a waste gas treatment unit 4; a reaction process of supplying water vapor or water into the heating furnace 31 and bringing water vapor into contact with the waste at 850 to 1,300°C for 0.5 to 10 h; and a waste gas treating process of treating generated hydrogen fluoride gas with the waste gas treatment unit 4.