SG11202005152SA - Treatment of fluoride-containing wastewater - Google Patents

Treatment of fluoride-containing wastewater

Info

Publication number
SG11202005152SA
SG11202005152SA SG11202005152SA SG11202005152SA SG11202005152SA SG 11202005152S A SG11202005152S A SG 11202005152SA SG 11202005152S A SG11202005152S A SG 11202005152SA SG 11202005152S A SG11202005152S A SG 11202005152SA SG 11202005152S A SG11202005152S A SG 11202005152SA
Authority
SG
Singapore
Prior art keywords
fluoride
treatment
containing wastewater
wastewater
Prior art date
Application number
SG11202005152SA
Other languages
English (en)
Inventor
Philippe Rychen
Markus Duppel
Original Assignee
Ovivo 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 Ovivo Inc filed Critical Ovivo Inc
Publication of SG11202005152SA publication Critical patent/SG11202005152SA/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/16—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/024—Oxides
    • B01D71/025—Aluminium oxide
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/12—Addition of chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/18—Details relating to membrane separation process operations and control pH control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2642—Aggregation, sedimentation, flocculation, precipitation or coagulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/24—Stationary reactors without moving elements inside
    • B01J2219/2401—Reactors comprising multiple separate flow channels
    • B01J2219/245—Plate-type reactors
    • B01J2219/2475—Separation means, e.g. membranes inside the reactor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2101/105—Phosphorus compounds
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)
SG11202005152SA 2017-12-06 2018-11-30 Treatment of fluoride-containing wastewater SG11202005152SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17205716.8A EP3495327A1 (en) 2017-12-06 2017-12-06 Treatment of fluoride-containing wastewater
PCT/IB2018/001369 WO2019111046A1 (en) 2017-12-06 2018-11-30 Treatment of fluoride-containing wastewater

Publications (1)

Publication Number Publication Date
SG11202005152SA true SG11202005152SA (en) 2020-06-29

Family

ID=60813572

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202005152SA SG11202005152SA (en) 2017-12-06 2018-11-30 Treatment of fluoride-containing wastewater

Country Status (9)

Country Link
US (1) US11286189B2 (zh)
EP (2) EP3495327A1 (zh)
JP (1) JP2021505386A (zh)
KR (1) KR20200091445A (zh)
CN (1) CN111836784A (zh)
IL (1) IL275185A (zh)
SG (1) SG11202005152SA (zh)
TW (1) TWI785158B (zh)
WO (1) WO2019111046A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112573745B (zh) * 2020-11-23 2023-02-24 南京钛净流体技术有限公司 一种scr催化剂再生酸洗废水处理方法
KR102530870B1 (ko) 2022-10-14 2023-05-09 주상열 불산폐수 처리방법 및 이의 처리장치
CN115924951B (zh) * 2022-12-21 2024-04-16 上海太洋科技有限公司 一种核用氟化钙粉料的制备方法

Family Cites Families (27)

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US3551332A (en) * 1969-06-16 1970-12-29 Int Minerals & Chem Corp Purification of fluorine-containing industrial waste waters
US4171342A (en) * 1974-04-03 1979-10-16 Occidental Chemical Company Recovery of calcium fluoride from phosphate operation waste water
US4657680A (en) * 1985-11-12 1987-04-14 Amax Inc. Wastewater treatment
US4698163A (en) * 1985-11-12 1987-10-06 Amax Inc. Treatment of phosphate-containing wastewater
JPH0753276B2 (ja) * 1989-10-03 1995-06-07 栗田工業株式会社 フッ化物含有水の処理方法
JP3112613B2 (ja) * 1994-03-30 2000-11-27 オルガノ株式会社 フッ素・リン含有排水の処理方法
JPH08173755A (ja) * 1994-12-26 1996-07-09 Mitsubishi Heavy Ind Ltd 排煙脱硫排水中のフッ素の除去方法
JP3350364B2 (ja) * 1996-09-06 2002-11-25 シャープ株式会社 排水処理方法および排水処理装置
JP3434438B2 (ja) * 1997-09-18 2003-08-11 シャープ株式会社 排水処理方法および排水処理装置
TWI222428B (en) * 1998-04-22 2004-10-21 Fujitsu Ltd Treatment process for fluorine-containing water
US6003279A (en) * 1998-08-13 1999-12-21 Schneider; Dale P. Sunroom enclosure
US6613230B2 (en) * 2000-07-07 2003-09-02 Ionics, Incorporated Method for simultaneous removal of arsenic and fluoride from aqueous solutions
AU7999601A (en) * 2000-08-21 2002-03-04 Csir Water treatment method
CN1185171C (zh) * 2001-12-20 2005-01-19 南化集团研究院 高氟酸性废水处理方法
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
US20110293506A1 (en) * 2009-02-13 2011-12-01 Kobelco Eco-Solutions Co., Ltd. Method for processing waste water containing fluorine and silicon, method for producing calcium fluoride, and facility for processing fluorine-containing waste water
US20110127223A1 (en) * 2009-12-02 2011-06-02 Veolia Water North America Operating Services, Llc Process for treating pond water
EP2559667B8 (en) 2010-03-26 2018-09-19 Chiyoda Corporation Method and system for the treatment of wastewater containing persistent substances
AU2011239699A1 (en) * 2010-04-13 2012-12-06 Molycorp Minerals, Llc Methods and devices for enhancing contaminant removal by rare earths
MX339660B (es) * 2010-05-18 2016-06-03 Ostara Nutrient Recovery Tech Inc * Tratamiento de aguas residuales que contienen fosfatos.
MX363377B (es) * 2011-09-21 2019-03-21 Ostara Nutrient Recovery Tech Inc Tratamiento de aguas residuales que contienen fosfato con recuperación de fluorosilicato y fosfato.
US20130075333A1 (en) * 2011-09-22 2013-03-28 Randall B. Pruet Apparatus and Process for Treatment of Water
CN103011453B (zh) * 2012-12-08 2014-01-22 北京国环清华环境工程设计研究院有限公司 一种太阳能电池片生产中含氟废水的处理方法
JP2014133188A (ja) * 2013-01-08 2014-07-24 Toshiba Corp 水処理方法及び水処理装置
JP6079524B2 (ja) * 2013-09-13 2017-02-15 旭硝子株式会社 再生フッ化カルシウムの製造方法
FR3025792B1 (fr) * 2014-09-17 2016-11-25 Veolia Water Solutions & Tech Dispositif de traitement d'effluents salins sursatures en presence d'inhibiteurs de precipitation
JP6288217B1 (ja) * 2016-11-17 2018-03-07 栗田工業株式会社 硫酸、フッ素及び重金属イオン含有廃水の処理方法および処理装置

Also Published As

Publication number Publication date
CN111836784A (zh) 2020-10-27
KR20200091445A (ko) 2020-07-30
EP3962869A4 (en) 2023-04-05
JP2021505386A (ja) 2021-02-18
US20200317553A1 (en) 2020-10-08
IL275185A (en) 2020-07-30
WO2019111046A1 (en) 2019-06-13
EP3962869A1 (en) 2022-03-09
EP3495327A1 (en) 2019-06-12
WO2019111046A8 (en) 2020-09-10
WO2019111046A4 (en) 2019-08-15
TW201936514A (zh) 2019-09-16
US11286189B2 (en) 2022-03-29
TWI785158B (zh) 2022-12-01

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