KR100385706B1 - 폐수로부터 실리카를 제거하기 위한방법 - Google Patents

폐수로부터 실리카를 제거하기 위한방법 Download PDF

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Publication number
KR100385706B1
KR100385706B1 KR10-2000-7004919A KR20007004919A KR100385706B1 KR 100385706 B1 KR100385706 B1 KR 100385706B1 KR 20007004919 A KR20007004919 A KR 20007004919A KR 100385706 B1 KR100385706 B1 KR 100385706B1
Authority
KR
South Korea
Prior art keywords
silica
flocculant
wastewater
membrane
microfiltration membrane
Prior art date
Application number
KR10-2000-7004919A
Other languages
English (en)
Korean (ko)
Other versions
KR20010031846A (ko
Inventor
알렌스티븐디
리만레오나드알
Original Assignee
마이크로바 인코퍼레이티드
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 마이크로바 인코퍼레이티드 filed Critical 마이크로바 인코퍼레이티드
Publication of KR20010031846A publication Critical patent/KR20010031846A/ko
Application granted granted Critical
Publication of KR100385706B1 publication Critical patent/KR100385706B1/ko

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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)
KR10-2000-7004919A 1997-11-06 1998-10-09 폐수로부터 실리카를 제거하기 위한방법 KR100385706B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/965,574 US5965027A (en) 1996-11-26 1997-11-06 Process for removing silica from wastewater
US08/965¸574 1997-11-06
US8/965¸574 1997-11-06

Publications (2)

Publication Number Publication Date
KR20010031846A KR20010031846A (ko) 2001-04-16
KR100385706B1 true KR100385706B1 (ko) 2003-05-27

Family

ID=25510161

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2000-7004919A KR100385706B1 (ko) 1997-11-06 1998-10-09 폐수로부터 실리카를 제거하기 위한방법

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。
WO2007023872A1 (ja) * 2005-08-24 2007-03-01 Tokuyama Corporation シリコン粉含有排水の処理方法
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

Family Cites Families (19)

* 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
JP3082263B2 (ja) * 1991-02-08 2000-08-28 エヌオーケー株式会社 コロイダルシリカの除去方法
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
US5344572A (en) * 1992-07-10 1994-09-06 Wadhawan Satish C Method for treating waste pickle liquor
US5286390A (en) * 1992-09-30 1994-02-15 Calgon Corporation Method for treating deink wastes using melamine aldehyde-type polymers
US5415782A (en) * 1993-11-22 1995-05-16 Nalco Chemical Company Method for the alteration of siliceous materials from bayer process liquors
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
US5620629A (en) * 1995-09-28 1997-04-15 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for natural water clarification
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
JP3340029B2 (ja) * 1996-07-22 2002-10-28 株式会社荏原製作所 ＳｉＯ２ 含有廃水の処理方法
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
JPH10180008A (ja) * 1996-12-26 1998-07-07 Kurita Water Ind Ltd 膜分離装置

Also Published As

Publication number Publication date
JP2001522720A (ja) 2001-11-20
AU9795498A (en) 1999-05-31
JP3470130B2 (ja) 2003-11-25
EP1042231A1 (de) 2000-10-11
TW425376B (en) 2001-03-11
KR20010031846A (ko) 2001-04-16
WO1999024364A1 (en) 1999-05-20
EP1042231A4 (de) 2002-07-17

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