ATE210218T1 - Verfahren zur beseitigung von schwermetallen - Google Patents

Verfahren zur beseitigung von schwermetallen

Info

Publication number
ATE210218T1
ATE210218T1 AT95850038T AT95850038T ATE210218T1 AT E210218 T1 ATE210218 T1 AT E210218T1 AT 95850038 T AT95850038 T AT 95850038T AT 95850038 T AT95850038 T AT 95850038T AT E210218 T1 ATE210218 T1 AT E210218T1
Authority
AT
Austria
Prior art keywords
heavy metals
removing heavy
white water
elimination
present
Prior art date
Application number
AT95850038T
Other languages
English (en)
Inventor
Bengt Thomas Engstroem
Original Assignee
Kemira Kemi Ab
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 Kemira Kemi Ab filed Critical Kemira Kemi Ab
Application granted granted Critical
Publication of ATE210218T1 publication Critical patent/ATE210218T1/de

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
    • C02F1/66—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
    • 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
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • 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
    • C02F2101/206—Manganese or manganese 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
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates
    • 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
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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
    • 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
    • Y10S210/928—Paper mill waste, e.g. white water, black liquor treated

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)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
AT95850038T 1994-02-21 1995-02-17 Verfahren zur beseitigung von schwermetallen ATE210218T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400585A SE504789C2 (sv) 1994-02-21 1994-02-21 Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien

Publications (1)

Publication Number Publication Date
ATE210218T1 true ATE210218T1 (de) 2001-12-15

Family

ID=20393020

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95850038T ATE210218T1 (de) 1994-02-21 1995-02-17 Verfahren zur beseitigung von schwermetallen

Country Status (13)

Country Link
US (1) US5632901A (de)
EP (1) EP0669422B1 (de)
JP (1) JPH0833892A (de)
AT (1) ATE210218T1 (de)
AU (1) AU681734B2 (de)
CA (1) CA2142954A1 (de)
DE (1) DE69524272T2 (de)
ES (1) ES2164752T3 (de)
FI (1) FI950761A (de)
NO (1) NO306308B1 (de)
NZ (1) NZ270530A (de)
PT (1) PT669422E (de)
SE (1) SE504789C2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USH1852H (en) * 1997-12-05 2000-06-06 Morton International Inc. Waste treatment of metal plating solutions
US6093422A (en) * 1998-01-23 2000-07-25 Zodiac Pool Care, Inc. Biocidal compositions for treating water
UA47470C2 (uk) * 1998-10-30 2002-07-15 Ігор Робертович Магунов Спосіб очищення і зм'якшення води

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488720A (en) * 1967-04-06 1970-01-06 American Cyanamid Co Process of manufacturing polyacrylamide-based flocculant and flocculations therewith
US3873418A (en) * 1970-02-09 1975-03-25 Savo Oy Method of recovering noil fibres and soluble wood material from waste water
JPS5358002A (en) * 1976-11-05 1978-05-25 Sanyo Kokusaku Pulp Co Process for removing suspended material in sulphite pulp waste from broadleaf trees as raw material
JPS56101992A (en) * 1980-01-11 1981-08-14 Kurita Industrial Co Ltd Recovery of valuable substance from white liquor
DE3627407C2 (de) * 1986-08-13 1994-05-19 Steinbeis Temming Papier Gmbh Verfahren zur Reinigung von Wasserkreisläufen bei der Halbstoff- und Papierherstellung
SE459925B (sv) * 1987-12-23 1989-08-21 Boliden Ab Avskiljning av harts ur massaavlutar
FI88732C (fi) * 1991-12-16 1993-06-28 Ahlstroem Oy Foerfarande och anordning foer behandling av bakvatten
SE500783C2 (sv) * 1992-05-05 1994-09-05 Eka Nobel Ab Sätt att rena vedhartsinnehållande process- eller avloppsvatten
SE9301160L (sv) * 1992-08-28 1994-03-01 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5435921A (en) * 1994-05-09 1995-07-25 Nalco Chemical Company Vinylamine polymers and coagulants for removing color from paper mill effluents

Also Published As

Publication number Publication date
DE69524272D1 (de) 2002-01-17
EP0669422A2 (de) 1995-08-30
US5632901A (en) 1997-05-27
AU681734B2 (en) 1997-09-04
ES2164752T3 (es) 2002-03-01
NO306308B1 (no) 1999-10-18
EP0669422A3 (de) 1995-09-20
SE504789C2 (sv) 1997-04-28
NO950622L (no) 1995-08-22
PT669422E (pt) 2002-05-31
NO950622D0 (no) 1995-02-20
EP0669422B1 (de) 2001-12-05
JPH0833892A (ja) 1996-02-06
AU1234795A (en) 1995-08-31
FI950761A0 (fi) 1995-02-20
FI950761A (fi) 1995-08-22
DE69524272T2 (de) 2002-07-18
CA2142954A1 (en) 1995-08-22
SE9400585D0 (sv) 1994-02-21
SE9400585L (sv) 1995-08-22
NZ270530A (en) 1996-06-25

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee