DE69108357D1 - Behandlung von verdünnten säurehaltigen Lösungen. - Google Patents

Behandlung von verdünnten säurehaltigen Lösungen.

Info

Publication number
DE69108357D1
DE69108357D1 DE69108357T DE69108357T DE69108357D1 DE 69108357 D1 DE69108357 D1 DE 69108357D1 DE 69108357 T DE69108357 T DE 69108357T DE 69108357 T DE69108357 T DE 69108357T DE 69108357 D1 DE69108357 D1 DE 69108357D1
Authority
DE
Germany
Prior art keywords
treatment
acidic solutions
dilute acidic
dilute
solutions
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.)
Expired - Fee Related
Application number
DE69108357T
Other languages
English (en)
Other versions
DE69108357T2 (de
Inventor
John Anthony Stott
John Graham Allen
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of DE69108357D1 publication Critical patent/DE69108357D1/de
Application granted granted Critical
Publication of DE69108357T2 publication Critical patent/DE69108357T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/915—Fluorine containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE69108357T 1990-11-19 1991-10-31 Behandlung von verdünnten säurehaltigen Lösungen. Expired - Fee Related DE69108357T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909025126A GB9025126D0 (en) 1990-11-19 1990-11-19 Treatment of dilute acidic solutions

Publications (2)

Publication Number Publication Date
DE69108357D1 true DE69108357D1 (de) 1995-04-27
DE69108357T2 DE69108357T2 (de) 1995-07-20

Family

ID=10685615

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69108357T Expired - Fee Related DE69108357T2 (de) 1990-11-19 1991-10-31 Behandlung von verdünnten säurehaltigen Lösungen.

Country Status (6)

Country Link
US (1) US5443741A (de)
EP (1) EP0487217B1 (de)
JP (1) JPH05185073A (de)
DE (1) DE69108357T2 (de)
ES (1) ES2069829T3 (de)
GB (1) GB9025126D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3169899B2 (ja) 1998-07-15 2001-05-28 日本電気環境エンジニアリング株式会社 フッ素含有排水の処理方法とその装置
JP3634792B2 (ja) * 2001-10-31 2005-03-30 三洋電機株式会社 被除去物の除去方法
ES2193854B1 (es) * 2001-11-23 2005-03-01 Elcogas, S.A. Procedimiento para la eliminacion de fluoruro en aguas residuales.
JP5002884B2 (ja) * 2003-07-02 2012-08-15 トヨタ自動車株式会社 固体高分子型燃料電池システム
JP4368249B2 (ja) * 2004-06-01 2009-11-18 三洋電機株式会社 処理装置およびそれを用いた被処理水の処理方法
JP4326489B2 (ja) * 2005-03-22 2009-09-09 三洋電機株式会社 排水処理装置および排水処理方法
ES2960380T3 (es) 2017-05-16 2024-03-04 Kemira Oyj Método para producir disoluciones poliméricas

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371759A (en) * 1944-01-01 1945-03-20 Phillips Petroleum Co Process for treatment of aqueous fluoride solutions
DE1265071B (de) * 1962-05-25 1968-03-28 Erich Asendorf Dipl Chem Dr Verfahren zur kontinuierlichen oder diskontinuierlichen, quantitativen Ausfaellung von in Abwaessern geloest vorhandener freier und/oder salzfoermig gebundener Flusssaeure
JPS4952198A (de) * 1972-09-20 1974-05-21
JPS4990273A (de) * 1972-12-28 1974-08-28
JPS525783B2 (de) * 1973-06-14 1977-02-16
FR2362083A1 (fr) * 1976-08-19 1978-03-17 Setal Procede de defluoration des eaux industrielles
FR2458513A1 (fr) * 1979-06-05 1981-01-02 Degremont Procede pour l'elimination des fluorures des effluents les contenant
US4707273A (en) * 1986-05-05 1987-11-17 Amchem Products Manganese removal from aqueous industrial waste effluents

Also Published As

Publication number Publication date
GB9025126D0 (en) 1991-01-02
JPH05185073A (ja) 1993-07-27
ES2069829T3 (es) 1995-05-16
EP0487217A1 (de) 1992-05-27
DE69108357T2 (de) 1995-07-20
EP0487217B1 (de) 1995-03-22
US5443741A (en) 1995-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee