SE504789C2 - Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien - Google Patents

Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien

Info

Publication number
SE504789C2
SE504789C2 SE9400585A SE9400585A SE504789C2 SE 504789 C2 SE504789 C2 SE 504789C2 SE 9400585 A SE9400585 A SE 9400585A SE 9400585 A SE9400585 A SE 9400585A SE 504789 C2 SE504789 C2 SE 504789C2
Authority
SE
Sweden
Prior art keywords
backwater
elimination
paper
heavy metal
systems
Prior art date
Application number
SE9400585A
Other languages
English (en)
Swedish (sv)
Other versions
SE9400585L (sv
SE9400585D0 (sv
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
Publication of SE9400585D0 publication Critical patent/SE9400585D0/xx
Priority to SE9400585A priority Critical patent/SE504789C2/sv
Application filed by Kemira Kemi Ab filed Critical Kemira Kemi Ab
Priority to US08/389,407 priority patent/US5632901A/en
Priority to DE69524272T priority patent/DE69524272T2/de
Priority to AT95850038T priority patent/ATE210218T1/de
Priority to PT95850038T priority patent/PT669422E/pt
Priority to EP95850038A priority patent/EP0669422B1/en
Priority to ES95850038T priority patent/ES2164752T3/es
Priority to NZ270530A priority patent/NZ270530A/en
Priority to AU12347/95A priority patent/AU681734B2/en
Priority to FI950761A priority patent/FI950761L/fi
Priority to NO950622A priority patent/NO306308B1/no
Priority to CA002142954A priority patent/CA2142954A1/en
Priority to JP7031962A priority patent/JPH0833892A/ja
Publication of SE9400585L publication Critical patent/SE9400585L/xx
Publication of SE504789C2 publication Critical patent/SE504789C2/sv

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)
SE9400585A 1994-02-21 1994-02-21 Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien SE504789C2 (sv)

Priority Applications (13)

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
US08/389,407 US5632901A (en) 1994-02-21 1995-02-16 Process for the elimination of heavy metals
DE69524272T DE69524272T2 (de) 1994-02-21 1995-02-17 Verfahren zur Beseitigung von Schwermetallen
AT95850038T ATE210218T1 (de) 1994-02-21 1995-02-17 Verfahren zur beseitigung von schwermetallen
PT95850038T PT669422E (pt) 1994-02-21 1995-02-17 Processo para a eliminacao de metais pesados
EP95850038A EP0669422B1 (en) 1994-02-21 1995-02-17 Process for the elimination of heavy metals
ES95850038T ES2164752T3 (es) 1994-02-21 1995-02-17 Procedimiento para la eliminacion de metales pesados.
NZ270530A NZ270530A (en) 1994-02-21 1995-02-20 Elimination of heavy metals from a closed white water system in the pulping industry
CA002142954A CA2142954A1 (en) 1994-02-21 1995-02-20 Process for the elimination of heavy metals
AU12347/95A AU681734B2 (en) 1994-02-21 1995-02-20 Process for the elimination of heavy metals
FI950761A FI950761L (fi) 1994-02-21 1995-02-20 Menetelmä raskasmetallien eliminoimiseksi
NO950622A NO306308B1 (no) 1994-02-21 1995-02-20 FremgangsmÕte ved eliminering av harpikser og tungmetaller fra bakvann
JP7031962A JPH0833892A (ja) 1994-02-21 1995-02-21 重金属の除去方法

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 (3)

Publication Number Publication Date
SE9400585D0 SE9400585D0 (sv) 1994-02-21
SE9400585L SE9400585L (sv) 1995-08-22
SE504789C2 true SE504789C2 (sv) 1997-04-28

Family

ID=20393020

Family Applications (1)

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

Country Status (13)

Country Link
US (1) US5632901A (enExample)
EP (1) EP0669422B1 (enExample)
JP (1) JPH0833892A (enExample)
AT (1) ATE210218T1 (enExample)
AU (1) AU681734B2 (enExample)
CA (1) CA2142954A1 (enExample)
DE (1) DE69524272T2 (enExample)
ES (1) ES2164752T3 (enExample)
FI (1) FI950761L (enExample)
NO (1) NO306308B1 (enExample)
NZ (1) NZ270530A (enExample)
PT (1) PT669422E (enExample)
SE (1) SE504789C2 (enExample)

Families Citing this family (4)

* 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
RU2171233C1 (ru) * 2000-10-19 2001-07-27 Фирма "Далекс Трейдинг Лимитед" Способ очистки промышленных стоков

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
ATE210218T1 (de) 2001-12-15
CA2142954A1 (en) 1995-08-22
JPH0833892A (ja) 1996-02-06
FI950761A0 (fi) 1995-02-20
NZ270530A (en) 1996-06-25
EP0669422A3 (enExample) 1995-09-20
DE69524272D1 (de) 2002-01-17
SE9400585L (sv) 1995-08-22
NO306308B1 (no) 1999-10-18
AU681734B2 (en) 1997-09-04
AU1234795A (en) 1995-08-31
EP0669422B1 (en) 2001-12-05
DE69524272T2 (de) 2002-07-18
ES2164752T3 (es) 2002-03-01
FI950761A7 (fi) 1995-08-22
NO950622L (no) 1995-08-22
NO950622D0 (no) 1995-02-20
US5632901A (en) 1997-05-27
FI950761L (fi) 1995-08-22
EP0669422A2 (en) 1995-08-30
PT669422E (pt) 2002-05-31
SE9400585D0 (sv) 1994-02-21

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