EP1042231A4 - Verfahren zum entfernen von silika aus abwasser - Google Patents

Verfahren zum entfernen von silika aus abwasser

Info

Publication number
EP1042231A4
EP1042231A4 EP98952200A EP98952200A EP1042231A4 EP 1042231 A4 EP1042231 A4 EP 1042231A4 EP 98952200 A EP98952200 A EP 98952200A EP 98952200 A EP98952200 A EP 98952200A EP 1042231 A4 EP1042231 A4 EP 1042231A4
Authority
EP
European Patent Office
Prior art keywords
wastewater
removing silica
silica
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.)
Withdrawn
Application number
EP98952200A
Other languages
English (en)
French (fr)
Other versions
EP1042231A1 (de
Inventor
Stephen D Allen
Leonard R Lyman
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.)
Microbar Inc
Original Assignee
Microbar 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
Priority claimed from US08/965,574 external-priority patent/US5965027A/en
Application filed by Microbar Inc filed Critical Microbar Inc
Publication of EP1042231A1 publication Critical patent/EP1042231A1/de
Publication of EP1042231A4 publication Critical patent/EP1042231A4/de
Withdrawn legal-status Critical Current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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • 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
    • 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
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
EP98952200A 1997-11-06 1998-10-09 Verfahren zum entfernen von silika aus abwasser Withdrawn EP1042231A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US965574 1997-11-06
US08/965,574 US5965027A (en) 1996-11-26 1997-11-06 Process for removing silica from wastewater
PCT/US1998/021337 WO1999024364A1 (en) 1997-11-06 1998-10-09 Process for removing silica from wastewater

Publications (2)

Publication Number Publication Date
EP1042231A1 EP1042231A1 (de) 2000-10-11
EP1042231A4 true EP1042231A4 (de) 2002-07-17

Family

ID=25510161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98952200A Withdrawn EP1042231A4 (de) 1997-11-06 1998-10-09 Verfahren zum entfernen von silika aus abwasser

Country Status (6)

Country Link
EP (1) EP1042231A4 (de)
JP (1) JP3470130B2 (de)
KR (1) KR100385706B1 (de)
AU (1) AU9795498A (de)
TW (1) TW425376B (de)
WO (1) WO1999024364A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3557197B2 (ja) * 2002-05-17 2004-08-25 三洋電機株式会社 コロイド溶液の濾過方法
JP4177369B2 (ja) * 2005-05-09 2008-11-05 株式会社関西都市居住サービス シリカ含有用水の処理方法及びその処理水を用いた開放循環型冷却水システム。
KR101008276B1 (ko) * 2005-08-24 2011-01-14 가부시끼가이샤 도꾸야마 실리콘분 함유 배수의 처리 방법
JP5731794B2 (ja) * 2010-11-02 2015-06-10 アクアス株式会社 高濃度シリカ含有水の凝集処理方法
JP7213125B2 (ja) * 2019-04-08 2023-01-26 オルガノ株式会社 シリカを含有する水の凝集沈殿装置及び凝集沈殿処理方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04256492A (ja) * 1991-02-08 1992-09-11 Nok Corp コロイダルシリカの除去方法
US5344572A (en) * 1992-07-10 1994-09-06 Wadhawan Satish C Method for treating waste pickle liquor
US5415782A (en) * 1993-11-22 1995-05-16 Nalco Chemical Company Method for the alteration of siliceous materials from bayer process liquors
US5620629A (en) * 1995-09-28 1997-04-15 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for natural water clarification
JPH1034161A (ja) * 1996-07-22 1998-02-10 Ebara Corp ＳｉＯ２ 含有廃水の処理方法
JPH10180008A (ja) * 1996-12-26 1998-07-07 Kurita Water Ind Ltd 膜分離装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188291A (en) * 1978-04-06 1980-02-12 Anderson Donald R Treatment of industrial waste water
US4207183A (en) * 1978-05-11 1980-06-10 Resources Conservation Company Prevention of solute deposition fouling in membrane processes
JPS6458304A (en) * 1987-08-28 1989-03-06 Kurita Water Ind Ltd Removing method for silica contained in pickling waste liquid
JPH03288532A (ja) * 1990-04-02 1991-12-18 Fuji Photo Film Co Ltd 精密濾過膜カートリッジフィルター
JP2792354B2 (ja) * 1991-07-23 1998-09-03 ダイキン工業株式会社 ポリテトラフルオロエチレン多孔膜
JP2938270B2 (ja) * 1992-04-27 1999-08-23 日本製紙株式会社 古紙パルプ排水の処理方法
US5286390A (en) * 1992-09-30 1994-02-15 Calgon Corporation Method for treating deink wastes using melamine aldehyde-type polymers
US5413719A (en) * 1994-01-18 1995-05-09 Nalco Chemical Company Fluorescent tracer in a water treatment process
JP3003500B2 (ja) * 1994-04-28 2000-01-31 ダイキン工業株式会社 ポリテトラフルオロエチレン複合多孔膜
US5609765A (en) * 1994-05-19 1997-03-11 Bowman; Ronald W. Steam stripping method for the softening of water
JP3348341B2 (ja) * 1996-07-08 2002-11-20 ソニー株式会社 高分子凝集剤および排水処理方法
JPH1076277A (ja) * 1996-09-04 1998-03-24 Lion Corp 水処理用薬剤組成物およびそれを用いた水処理方法
JPH10118665A (ja) * 1996-10-15 1998-05-12 Kurita Water Ind Ltd Ｎｈ４系ｃｍｐ廃液の処理方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04256492A (ja) * 1991-02-08 1992-09-11 Nok Corp コロイダルシリカの除去方法
US5344572A (en) * 1992-07-10 1994-09-06 Wadhawan Satish C Method for treating waste pickle liquor
US5415782A (en) * 1993-11-22 1995-05-16 Nalco Chemical Company Method for the alteration of siliceous materials from bayer process liquors
US5620629A (en) * 1995-09-28 1997-04-15 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for natural water clarification
JPH1034161A (ja) * 1996-07-22 1998-02-10 Ebara Corp ＳｉＯ２ 含有廃水の処理方法
JPH10180008A (ja) * 1996-12-26 1998-07-07 Kurita Water Ind Ltd 膜分離装置

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 042 (C - 1020) 26 January 1993 (1993-01-26) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06 30 April 1998 (1998-04-30) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) *
See also references of WO9924364A1 *

Also Published As

Publication number Publication date
AU9795498A (en) 1999-05-31
EP1042231A1 (de) 2000-10-11
JP3470130B2 (ja) 2003-11-25
KR20010031846A (ko) 2001-04-16
TW425376B (en) 2001-03-11
JP2001522720A (ja) 2001-11-20
KR100385706B1 (ko) 2003-05-27
WO1999024364A1 (en) 1999-05-20

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