JPS5285095A - Treatment of f-contg. ammoniac waste liquor - Google Patents

Treatment of f-contg. ammoniac waste liquor

Info

Publication number
JPS5285095A
JPS5285095A JP191576A JP191576A JPS5285095A JP S5285095 A JPS5285095 A JP S5285095A JP 191576 A JP191576 A JP 191576A JP 191576 A JP191576 A JP 191576A JP S5285095 A JPS5285095 A JP S5285095A
Authority
JP
Japan
Prior art keywords
ammoniac
contg
treatment
waste liquor
liquor
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP191576A
Other languages
Japanese (ja)
Other versions
JPS5846355B2 (en
Inventor
Takanari Kusumoto
Hajime Negishi
Tatsuo Honma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP51001915A priority Critical patent/JPS5846355B2/en
Publication of JPS5285095A publication Critical patent/JPS5285095A/en
Publication of JPS5846355B2 publication Critical patent/JPS5846355B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

PURPOSE: To precipitate CaF2 in F-contg. ammoniac waste liquor in two steps by adding slaked lime in slight excess of the quivalent to the amount of F- in the liquor in two steps and to further precipitate Ca2+ in the liquor so as to rapidly recover F2 and NH3 with high yield.
COPYRIGHT: (C)1977,JPO&Japio
JP51001915A 1976-01-09 1976-01-09 Treatment method for fluorine-containing ammonia waste liquid Expired JPS5846355B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51001915A JPS5846355B2 (en) 1976-01-09 1976-01-09 Treatment method for fluorine-containing ammonia waste liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51001915A JPS5846355B2 (en) 1976-01-09 1976-01-09 Treatment method for fluorine-containing ammonia waste liquid

Publications (2)

Publication Number Publication Date
JPS5285095A true JPS5285095A (en) 1977-07-15
JPS5846355B2 JPS5846355B2 (en) 1983-10-15

Family

ID=11514868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51001915A Expired JPS5846355B2 (en) 1976-01-09 1976-01-09 Treatment method for fluorine-containing ammonia waste liquid

Country Status (1)

Country Link
JP (1) JPS5846355B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549189A (en) * 1978-10-06 1980-04-09 Kurita Water Ind Ltd Treatment method of waste water containing fluoride ion
JP2003080270A (en) * 2001-09-12 2003-03-18 Okutama Kogyo Co Ltd Method for treating fluorine-containing waste water
JP2005224670A (en) * 2004-02-10 2005-08-25 Chugai Photo Chemical Co Ltd Method for treating fluorine-containing waste water
JP2008073646A (en) * 2006-09-22 2008-04-03 Kurita Water Ind Ltd Treatment method of fluorine-containing waste water
JP2009165990A (en) * 2008-01-18 2009-07-30 Kurita Water Ind Ltd Method for treating wastewater containing fluorine
JP2009286639A (en) * 2008-05-27 2009-12-10 Japan Organo Co Ltd Apparatus and method for recovering fluorine and ammonia
JP2009285531A (en) * 2008-05-27 2009-12-10 Japan Organo Co Ltd Recovery device for fluorine and ammonia, and recovery method therefor

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549189A (en) * 1978-10-06 1980-04-09 Kurita Water Ind Ltd Treatment method of waste water containing fluoride ion
JP2003080270A (en) * 2001-09-12 2003-03-18 Okutama Kogyo Co Ltd Method for treating fluorine-containing waste water
JP2005224670A (en) * 2004-02-10 2005-08-25 Chugai Photo Chemical Co Ltd Method for treating fluorine-containing waste water
JP4594627B2 (en) * 2004-02-10 2010-12-08 中外写真薬品株式会社 Treatment method for fluorine-containing wastewater.
JP2008073646A (en) * 2006-09-22 2008-04-03 Kurita Water Ind Ltd Treatment method of fluorine-containing waste water
JP4650384B2 (en) * 2006-09-22 2011-03-16 栗田工業株式会社 Treatment method for fluorine-containing wastewater
JP2009165990A (en) * 2008-01-18 2009-07-30 Kurita Water Ind Ltd Method for treating wastewater containing fluorine
JP2009286639A (en) * 2008-05-27 2009-12-10 Japan Organo Co Ltd Apparatus and method for recovering fluorine and ammonia
JP2009285531A (en) * 2008-05-27 2009-12-10 Japan Organo Co Ltd Recovery device for fluorine and ammonia, and recovery method therefor

Also Published As

Publication number Publication date
JPS5846355B2 (en) 1983-10-15

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