ZA78169B - Process for purifying water containing fluoride ion - Google Patents

Process for purifying water containing fluoride ion

Info

Publication number
ZA78169B
ZA78169B ZA00780169A ZA78169A ZA78169B ZA 78169 B ZA78169 B ZA 78169B ZA 00780169 A ZA00780169 A ZA 00780169A ZA 78169 A ZA78169 A ZA 78169A ZA 78169 B ZA78169 B ZA 78169B
Authority
ZA
South Africa
Prior art keywords
water containing
fluoride ion
purifying water
containing fluoride
purifying
Prior art date
Application number
ZA00780169A
Other languages
English (en)
Inventor
S Bruckenstein
Original Assignee
Andco Ind Inc
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 Andco Ind Inc filed Critical Andco Ind Inc
Publication of ZA78169B publication Critical patent/ZA78169B/xx

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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
    • 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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)
ZA00780169A 1977-01-24 1978-01-11 Process for purifying water containing fluoride ion ZA78169B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/761,685 US4145282A (en) 1977-01-24 1977-01-24 Process for purifying waste water containing fluoride ion

Publications (1)

Publication Number Publication Date
ZA78169B true ZA78169B (en) 1979-09-26

Family

ID=25062967

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00780169A ZA78169B (en) 1977-01-24 1978-01-11 Process for purifying water containing fluoride ion

Country Status (12)

Country Link
US (1) US4145282A (fr)
JP (1) JPS53108659A (fr)
AU (1) AU3265378A (fr)
BE (1) BE863227A (fr)
CA (1) CA1082377A (fr)
DE (1) DE2803019A1 (fr)
FR (1) FR2377974A1 (fr)
GB (1) GB1586545A (fr)
NL (1) NL7800830A (fr)
NZ (1) NZ186289A (fr)
SE (1) SE7800805L (fr)
ZA (1) ZA78169B (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL187312C (nl) * 1978-05-18 1991-08-16 Dhv Raadgevend Ing Werkwijze voor het defosfateren van water.
US4323462A (en) * 1979-02-12 1982-04-06 Andco Industries, Inc. Process for purifying water containing fluoride ion
US4226710A (en) * 1979-02-12 1980-10-07 Andco Industries, Inc. Process for purifying water containing fluoride ion
NL7905111A (nl) * 1979-06-30 1981-01-05 Stamicarbon Werkwijze voor het chemisch verwijderen van fosfor- verbindingen uit afvalwater en werkwijze voor het zuiveren van afvalwater.
DE3307315A1 (de) * 1983-03-02 1984-09-06 Krupp-Koppers Gmbh, 4300 Essen Verfahren zur reinigung von chemiegips
US5215632A (en) * 1990-04-30 1993-06-01 Occidental Chemical Corporation Fluoride removal from aqueous streams
US5158686A (en) * 1991-02-25 1992-10-27 Envar Services, Inc. Impurity removal process and apparatus
FR2676727B1 (fr) * 1991-05-24 1994-04-15 Hydro Azote Procede de traitement et de recyclage des eaux de lavage de gaz chargees en fluor.
US5403495A (en) * 1992-03-13 1995-04-04 Tetra Technologies, Inc. Fluoride removal system
US6428705B1 (en) 1996-11-26 2002-08-06 Microbar Incorporated Process and apparatus for high flow and low pressure impurity removal
US6613230B2 (en) 2000-07-07 2003-09-02 Ionics, Incorporated Method for simultaneous removal of arsenic and fluoride from aqueous solutions
US6863825B2 (en) * 2003-01-29 2005-03-08 Union Oil Company Of California Process for removing arsenic from aqueous streams
US20100187178A1 (en) * 2003-01-29 2010-07-29 Molycorp Minerals, Llc Process for removing and sequestering contaminants from aqueous streams
US8066874B2 (en) 2006-12-28 2011-11-29 Molycorp Minerals, Llc Apparatus for treating a flow of an aqueous solution containing arsenic
US20090107925A1 (en) * 2007-10-31 2009-04-30 Chevron U.S.A. Inc. Apparatus and process for treating an aqueous solution containing biological contaminants
US8349764B2 (en) 2007-10-31 2013-01-08 Molycorp Minerals, Llc Composition for treating a fluid
US8252087B2 (en) * 2007-10-31 2012-08-28 Molycorp Minerals, Llc Process and apparatus for treating a gas containing a contaminant
US20090107919A1 (en) * 2007-10-31 2009-04-30 Chevron U.S.A. Inc. Apparatus and process for treating an aqueous solution containing chemical contaminants
AR074321A1 (es) * 2008-11-11 2011-01-05 Molycorp Minerals Llc Remocion de materiales objetivo utilizando metales de tierras raras
TW201038510A (en) * 2009-03-16 2010-11-01 Molycorp Minerals Llc Porous and durable ceramic filter monolith coated with a rare earth for removing contaminates from water
MX2011010666A (es) * 2009-04-09 2012-01-27 Molycorp Minerals Llc Uso de una tierra rara para la remocion de antimonio y bismuto.
CA2767400A1 (fr) * 2009-07-06 2011-01-13 Molycorp Minerals Llc Oxyde de cerium pour une utilisation comme barriere antimicrobienne et desinfectant dans un pansement de lesion
EP2499679A4 (fr) * 2009-11-09 2014-01-01 Molycorp Minerals Llc Elimination de colorants au moyen de terres rares
US9539445B2 (en) * 2010-11-22 2017-01-10 Taipei Medical University Type of anion-containing calcium phosphate compound for dental remineralization
US9233863B2 (en) 2011-04-13 2016-01-12 Molycorp Minerals, Llc Rare earth removal of hydrated and hydroxyl species
WO2014094147A1 (fr) * 2012-12-17 2014-06-26 Chemetics Inc. Procédé amélioré d'élimination de fluorure à partir de courants aqueux
MX370462B (es) 2014-03-07 2019-12-13 Secure Natural Resources Llc Oxido de cerio (iv) con propiedades de remocion de arsenico excepcionales.
CN106669550B (zh) * 2016-11-30 2022-07-01 江苏永冠给排水设备有限公司 一种基于种植法除氟水处理的高速反应釜设备及其使用方法
CN112811646B (zh) * 2020-12-24 2022-09-06 山东华氟化工有限责任公司 一种高氟离子、高cod、高色度废水的处理方法
CN113213518A (zh) * 2021-05-20 2021-08-06 安徽舜禹水务股份有限公司 一种高氨氮高碱度废水资源化系统
CN115611460A (zh) * 2022-10-19 2023-01-17 渭南德昌环保科技有限公司 一种强酸性高氟有机废水处置方法
CN115974595A (zh) * 2022-12-29 2023-04-18 瓮福（集团）有限责任公司 一种处理含磷氟废水制备磷镁钙复合长效肥的工艺
CN116253415B (zh) * 2023-04-21 2025-10-28 湖南有色金属投资有限公司 含氟废水的处理方法
CN121849902A (zh) * 2026-01-27 2026-04-14 华南理工大学 通过离子活度控制从磷石膏淋洗液中回收氟磷灰石的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2380800A (en) * 1939-05-20 1945-07-31 Howard V Smith Water treatment
US3284350A (en) * 1964-02-12 1966-11-08 Nat Steel Corp Removal of tin and fluoride from aqueous solutions of the same
US3467496A (en) * 1966-11-07 1969-09-16 American Cyanamid Co Process for preparing wet process phosphoric acid and calcium sulfate from phosphate rock
US3552918A (en) * 1966-11-08 1971-01-05 Dorr Oliver Inc Process for the production of phosphoric acid
US3551332A (en) * 1969-06-16 1970-12-29 Int Minerals & Chem Corp Purification of fluorine-containing industrial waste waters
JPS5199853A (fr) * 1975-02-28 1976-09-03 Hitachi Ltd

Also Published As

Publication number Publication date
FR2377974A1 (fr) 1978-08-18
US4145282A (en) 1979-03-20
GB1586545A (en) 1981-03-18
DE2803019A1 (de) 1978-08-31
JPS53108659A (en) 1978-09-21
NZ186289A (en) 1979-10-25
BE863227A (fr) 1978-07-24
AU3265378A (en) 1979-08-02
SE7800805L (sv) 1978-07-25
CA1082377A (fr) 1980-07-22
NL7800830A (nl) 1978-07-26

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