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
paper
elimination
systems
heavy metal
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 AT95850038T priority patent/ATE210218T1/de
Priority to PT95850038T priority patent/PT669422E/pt
Priority to DE69524272T priority patent/DE69524272T2/de
Priority to ES95850038T priority patent/ES2164752T3/es
Priority to EP95850038A priority patent/EP0669422B1/de
Priority to NO950622A priority patent/NO306308B1/no
Priority to FI950761A priority patent/FI950761A/fi
Priority to AU12347/95A priority patent/AU681734B2/en
Priority to NZ270530A priority patent/NZ270530A/en
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
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
DE69524272T DE69524272T2 (de) 1994-02-21 1995-02-17 Verfahren zur Beseitigung von Schwermetallen
ES95850038T ES2164752T3 (es) 1994-02-21 1995-02-17 Procedimiento para la eliminacion de metales pesados.
EP95850038A EP0669422B1 (de) 1994-02-21 1995-02-17 Verfahren zur Beseitigung von Schwermetallen
NO950622A NO306308B1 (no) 1994-02-21 1995-02-20 FremgangsmÕte ved eliminering av harpikser og tungmetaller fra bakvann
CA002142954A CA2142954A1 (en) 1994-02-21 1995-02-20 Process for the elimination of heavy metals
FI950761A FI950761A (fi) 1994-02-21 1995-02-20 Menetelmä raskasmetallien eliminoimiseksi
AU12347/95A AU681734B2 (en) 1994-02-21 1995-02-20 Process for the elimination of heavy metals
NZ270530A NZ270530A (en) 1994-02-21 1995-02-20 Elimination of heavy metals from a closed white water system in the pulping industry
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 (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
CA2142954A1 (en) 1995-08-22
NO950622D0 (no) 1995-02-20
AU1234795A (en) 1995-08-31
NO306308B1 (no) 1999-10-18
EP0669422A3 (de) 1995-09-20
DE69524272T2 (de) 2002-07-18
ES2164752T3 (es) 2002-03-01
ATE210218T1 (de) 2001-12-15
FI950761A (fi) 1995-08-22
US5632901A (en) 1997-05-27
SE9400585L (sv) 1995-08-22
DE69524272D1 (de) 2002-01-17
PT669422E (pt) 2002-05-31
FI950761A0 (fi) 1995-02-20
AU681734B2 (en) 1997-09-04
EP0669422B1 (de) 2001-12-05
NO950622L (no) 1995-08-22
NZ270530A (en) 1996-06-25
JPH0833892A (ja) 1996-02-06
SE9400585D0 (sv) 1994-02-21
EP0669422A2 (de) 1995-08-30

Similar Documents

Publication Publication Date Title
US6447687B1 (en) Dewatering of sewage sludge
US4013555A (en) Process for reducing BOD in food processing plant wastes
DE69527021T2 (de) Vorrichtung und Verfahren zum Entsalzen von Meerwasser durch mehrstufige Umkehrosmose
US5205939A (en) Removal of silver from aqueous systems
US4219416A (en) Process for recovering molybdenum and tungsten from mining wastewater
SE504789C2 (sv) Förfarande för tungmetalleliminering från bakvattensystem inom pappers- och pappersmassaindustrien
US6372145B1 (en) Fat and protein removal from process streams
US4208282A (en) Process for the purification of sewage while recapturing the fatty and albuminous matter in reusable form
CN211471135U (zh) 涂料废水处理系统
GB2059937A (en) Preliminary treatment of water for reverse osmosis installations
EP0258546A1 (de) Verfahren zur Reinigung von Wasserkreisläufen bei der Zellstoff-, Halbstoff- und Papierherstellung
JPS5916599A (ja) 汚泥脱水方法
US6805242B2 (en) Method of reducing phosphate ore losses in a desliming process
EP3891104B1 (de) Verfahren und vorrichtung zur behandlung von düngeschlamm
CA1038511A (en) Removal of phosphorus from waste water
JPS6186905A (ja) 淡水化の前処理法
JPH02157005A (ja) 凝集沈澱処理設備
SU983074A1 (ru) Способ сгущени апатитового концентрата
JPH1147758A (ja) 微細懸濁物含有水の処理方法
JP2937665B2 (ja) 汚泥の凝集方法
Huck et al. Treatment of Base Metal Mine Drainage at Pilot Scale
CN116102203A (zh) 一种工业废水处理装置与方法
WO2019130635A1 (ja) 水処理方法及び装置
SU1286527A1 (ru) Способ очистки сточных вод целлюлозно-бумажного производства
JPS6048189A (ja) 廃水の処理方法

Legal Events

Date Code Title Description
NUG Patent has lapsed