SG11201504151UA - Method for treating fluorine-containing wastewater, and apparatus for treating fluorine-containing wastewater - Google Patents

Method for treating fluorine-containing wastewater, and apparatus for treating fluorine-containing wastewater

Info

Publication number
SG11201504151UA
SG11201504151UA SG11201504151UA SG11201504151UA SG11201504151UA SG 11201504151U A SG11201504151U A SG 11201504151UA SG 11201504151U A SG11201504151U A SG 11201504151UA SG 11201504151U A SG11201504151U A SG 11201504151UA SG 11201504151U A SG11201504151U A SG 11201504151UA
Authority
SG
Singapore
Prior art keywords
containing wastewater
treating fluorine
fluorine
treating
wastewater
Prior art date
Application number
SG11201504151UA
Inventor
Takeshi Matsushiro
Atsushi Yamazaki
Taro Fukaya
Takeshi Ide
Miwa Ishizuka
Original Assignee
Toshiba Kk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Kk filed Critical Toshiba Kk
Publication of SG11201504151UA publication Critical patent/SG11201504151UA/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/54—Controlling or regulating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
    • C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5209—Regulation methods for flocculation or precipitation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds
    • C02F2101/14—Fluorine or fluorine-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/346—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from semiconductor processing, e.g. waste water from polishing of wafers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
SG11201504151UA 2012-11-30 2013-03-28 Method for treating fluorine-containing wastewater, and apparatus for treating fluorine-containing wastewater SG11201504151UA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012262252A JP2014108366A (en) 2012-11-30 2012-11-30 Method and apparatus for treating fluorine-containing waste water
PCT/JP2013/002143 WO2014083716A1 (en) 2012-11-30 2013-03-28 Method for treating fluorine-containing wastewater, and apparatus for treating fluorine-containing wastewater

Publications (1)

Publication Number Publication Date
SG11201504151UA true SG11201504151UA (en) 2015-07-30

Family

ID=50827383

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201504151UA SG11201504151UA (en) 2012-11-30 2013-03-28 Method for treating fluorine-containing wastewater, and apparatus for treating fluorine-containing wastewater

Country Status (4)

Country Link
JP (1) JP2014108366A (en)
SG (1) SG11201504151UA (en)
TW (1) TW201420512A (en)
WO (1) WO2014083716A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111233245A (en) * 2020-03-04 2020-06-05 国初科技（厦门）有限公司 Fluorine wastewater desalination and concentration device and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3378892B2 (en) * 1991-10-03 2003-02-17 ステラケミファ株式会社 Method for recovering calcium fluoride from fluorine-based etchant
NL9200205A (en) * 1992-02-04 1993-09-01 Kema Nv METHOD AND APPARATUS FOR CLEANING A FLUID FLOW
JP4330693B2 (en) * 1999-04-21 2009-09-16 新日本製鐵株式会社 Treatment method for fluorine-containing wastewater
JP2004249251A (en) * 2003-02-21 2004-09-09 Hitachi Plant Eng & Constr Co Ltd Fluorine-containing water treatment method
CN101193823A (en) * 2005-06-09 2008-06-04 株式会社荏原制作所 Electrodialyzer, waste water treatment method, and fluorine treatment system
JP2007014827A (en) * 2005-06-09 2007-01-25 Ebara Corp Electrodialyzer, waste water treatment method and fluorine treatment system
WO2010004925A1 (en) * 2008-07-09 2010-01-14 Kiya Shigeru Method of recovering silicon, titanium, and fluorine

Also Published As

Publication number Publication date
WO2014083716A1 (en) 2014-06-05
TW201420512A (en) 2014-06-01
JP2014108366A (en) 2014-06-12

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