DE69941160D1 - Zusammensetzung und verfahren zur gleichzeitigen fällung von matallionen aus halbleiterabwässern und verbessertes funktionieren eines mikrofilters - Google Patents

Zusammensetzung und verfahren zur gleichzeitigen fällung von matallionen aus halbleiterabwässern und verbessertes funktionieren eines mikrofilters

Info

Publication number
DE69941160D1
DE69941160D1 DE69941160T DE69941160T DE69941160D1 DE 69941160 D1 DE69941160 D1 DE 69941160D1 DE 69941160 T DE69941160 T DE 69941160T DE 69941160 T DE69941160 T DE 69941160T DE 69941160 D1 DE69941160 D1 DE 69941160D1
Authority
DE
Germany
Prior art keywords
matallions
microfilter
composition
simultaneous filling
semiconductor waste
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 - Lifetime
Application number
DE69941160T
Other languages
German (de)
English (en)
Inventor
Kristine S Salmen
Angela S Kowalski
E H Zeiher
William J Ward
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69941160D1 publication Critical patent/DE69941160D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C02F2101/20—Heavy metals or heavy metal 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
    • 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
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

Landscapes

  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Removal Of Specific Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
DE69941160T 1999-01-15 1999-12-02 Zusammensetzung und verfahren zur gleichzeitigen fällung von matallionen aus halbleiterabwässern und verbessertes funktionieren eines mikrofilters Expired - Lifetime DE69941160D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23248599A 1999-01-15 1999-01-15
PCT/US1999/028477 WO2000041974A1 (en) 1999-01-15 1999-12-02 Composition and method for simultaneously precipitating metal ions from semiconductor wastewater and enhancing microfilter operation

Publications (1)

Publication Number Publication Date
DE69941160D1 true DE69941160D1 (de) 2009-09-03

Family

ID=22873309

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941160T Expired - Lifetime DE69941160D1 (de) 1999-01-15 1999-12-02 Zusammensetzung und verfahren zur gleichzeitigen fällung von matallionen aus halbleiterabwässern und verbessertes funktionieren eines mikrofilters

Country Status (10)

Country Link
US (2) US6258277B1 (https=)
EP (1) EP1171389B1 (https=)
JP (2) JP2002534564A (https=)
KR (1) KR20010101520A (https=)
CN (2) CN1978336B (https=)
AU (1) AU1929600A (https=)
DE (1) DE69941160D1 (https=)
MY (1) MY123469A (https=)
TW (1) TW508344B (https=)
WO (1) WO2000041974A1 (https=)

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CN102120659A (zh) * 2011-01-31 2011-07-13 无锡市霄鹰环境科技有限公司 一种去除化镍废水中镍的方法
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WO2013094399A1 (ja) * 2011-12-22 2013-06-27 コニカミノルタ株式会社 研磨材再生方法及び再生研磨材
CN104023915B (zh) * 2011-12-27 2017-07-21 柯尼卡美能达株式会社 研磨材料分离方法及再生研磨材料
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CN103801270B (zh) * 2012-11-14 2016-03-30 长沙飞达矿冶技术有限公司 用于处理含复杂重金属废水的环保材料及其生产工艺
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CN106588725B (zh) * 2016-12-06 2021-05-07 青岛柏森环保工程有限公司 一种多硫代酰胺型重金属螯合剂的制备方法
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Also Published As

Publication number Publication date
AU1929600A (en) 2000-08-01
EP1171389A1 (en) 2002-01-16
EP1171389B1 (en) 2009-07-22
US6403726B1 (en) 2002-06-11
JP5570458B2 (ja) 2014-08-13
MY123469A (en) 2006-05-31
EP1171389A4 (en) 2003-04-09
CN1978336B (zh) 2014-09-03
CN1337923A (zh) 2002-02-27
TW508344B (en) 2002-11-01
KR20010101520A (ko) 2001-11-14
JP2002534564A (ja) 2002-10-15
JP2011117000A (ja) 2011-06-16
WO2000041974A1 (en) 2000-07-20
CN1978336A (zh) 2007-06-13
US6258277B1 (en) 2001-07-10

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Legal Events

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