SE514687C2 - Metod för eliminering av skadliga substanser i en processvätska - Google Patents

Metod för eliminering av skadliga substanser i en processvätska

Info

Publication number
SE514687C2
SE514687C2 SE9902636A SE9902636A SE514687C2 SE 514687 C2 SE514687 C2 SE 514687C2 SE 9902636 A SE9902636 A SE 9902636A SE 9902636 A SE9902636 A SE 9902636A SE 514687 C2 SE514687 C2 SE 514687C2
Authority
SE
Sweden
Prior art keywords
process liquid
suspended
carbon dioxide
paper
harmful substances
Prior art date
Application number
SE9902636A
Other languages
English (en)
Swedish (sv)
Other versions
SE9902636L (sv
SE9902636D0 (sv
Inventor
Anette Karlsson
Liviu Haias
Original Assignee
Sca Graphic Res 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20416444&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE514687(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sca Graphic Res Ab filed Critical Sca Graphic Res Ab
Priority to SE9902636A priority Critical patent/SE514687C2/sv
Publication of SE9902636D0 publication Critical patent/SE9902636D0/xx
Priority to AU60426/00A priority patent/AU6042600A/en
Priority to JP2001509806A priority patent/JP2003504534A/ja
Priority to EP00946710A priority patent/EP1246965B1/en
Priority to CA002377695A priority patent/CA2377695A1/en
Priority to AT00946710T priority patent/ATE277228T1/de
Priority to DE60014169T priority patent/DE60014169T2/de
Priority to PCT/SE2000/001427 priority patent/WO2001004415A1/en
Publication of SE9902636L publication Critical patent/SE9902636L/
Publication of SE514687C2 publication Critical patent/SE514687C2/sv
Priority to NO20020061A priority patent/NO20020061L/no
Priority to US10/040,366 priority patent/US20020134519A1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/65—Acid compounds
    • 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
    • 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
    • C02F2103/26—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
SE9902636A 1999-07-09 1999-07-09 Metod för eliminering av skadliga substanser i en processvätska SE514687C2 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE9902636A SE514687C2 (sv) 1999-07-09 1999-07-09 Metod för eliminering av skadliga substanser i en processvätska
PCT/SE2000/001427 WO2001004415A1 (en) 1999-07-09 2000-07-05 Method for eliminating detrimental substances in a process liquid
DE60014169T DE60014169T2 (de) 1999-07-09 2000-07-05 Verfahren zur entfernung von schädlichen bestandteilen aus einer behandlungsflüssigkeit
EP00946710A EP1246965B1 (en) 1999-07-09 2000-07-05 Method for eliminating detrimental substances in a process liquid
JP2001509806A JP2003504534A (ja) 1999-07-09 2000-07-05 プロセス液における有害物質を除去するための方法
AU60426/00A AU6042600A (en) 1999-07-09 2000-07-05 Method for eliminating detrimental substances in a process liquid
CA002377695A CA2377695A1 (en) 1999-07-09 2000-07-05 Method for eliminating detrimental substances in a process liquid
AT00946710T ATE277228T1 (de) 1999-07-09 2000-07-05 Verfahren zur entfernung von schädlichen bestandteilen aus einer behandlungsflüssigkeit
NO20020061A NO20020061L (no) 1999-07-09 2002-01-07 Fremgangsmåte for å eliminere skadelige substanser i en prosessv¶ske
US10/040,366 US20020134519A1 (en) 1999-07-09 2002-01-09 Method for eliminating detrimental substances in a process liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9902636A SE514687C2 (sv) 1999-07-09 1999-07-09 Metod för eliminering av skadliga substanser i en processvätska

Publications (3)

Publication Number Publication Date
SE9902636D0 SE9902636D0 (sv) 1999-07-09
SE9902636L SE9902636L (sv) 2001-01-10
SE514687C2 true SE514687C2 (sv) 2001-04-02

Family

ID=20416444

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9902636A SE514687C2 (sv) 1999-07-09 1999-07-09 Metod för eliminering av skadliga substanser i en processvätska

Country Status (10)

Country Link
US (1) US20020134519A1 (no)
EP (1) EP1246965B1 (no)
JP (1) JP2003504534A (no)
AT (1) ATE277228T1 (no)
AU (1) AU6042600A (no)
CA (1) CA2377695A1 (no)
DE (1) DE60014169T2 (no)
NO (1) NO20020061L (no)
SE (1) SE514687C2 (no)
WO (1) WO2001004415A1 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10113998A1 (de) * 2001-03-22 2002-09-26 Voith Paper Patent Gmbh Verfahren zum Beladen von in einer Faserstoffsuspension enthaltenen Fasern mit einem Hilfsstoff
US7056419B2 (en) 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
FI117059B (fi) * 2004-09-21 2006-05-31 Metso Paper Inc Menetelmä ja sovitelma epäpuhtauksien erottelemiseksi päällystysaseman konekierrosta
EP1816259A1 (fr) * 2006-02-07 2007-08-08 L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Utilisation du dioxyde de carbone pour optimiser le pH dans la partie humide de la machine à papier
DE102007036376A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Gebleichter Faserstoff
US9714457B2 (en) 2012-03-26 2017-07-25 Kurion, Inc. Submersible filters for use in separating radioactive isotopes from radioactive waste materials
DE102012024888A1 (de) * 2012-12-19 2014-06-26 Institut za okoljevarstvo in senzorje, d.o.o. Verfahren und Vorrichtung zum Entwässern von Abfallschlamm

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189381A (en) * 1978-09-07 1980-02-19 Amax Inc. Waste water treatment
DE3144314A1 (de) * 1981-11-07 1983-05-19 Bayer Ag, 5090 Leverkusen Verfahren zur verbesserung der entwaesserungseigenschaften von klaerschlamm
DE3582964D1 (de) * 1984-07-13 1991-07-04 Hitachi Ltd Verfahren fuer die behandlung von fluessigem, chelate von schwermetallen enthaltendem abfall.
US5139613A (en) * 1988-01-21 1992-08-18 Canadian Liquid Air Limited Process for preparing a paper pulp using carbon dioxide as an acidifying agent for a bleached pulp
SE461860B (sv) * 1989-02-13 1990-04-02 Mo Och Domsjoe Ab Foerfarande foer framstaellning av papper och bestruket papper varvid baspappret innehaaller precipiterat kalciumkarbonat
CA2069713C (en) * 1992-05-27 2003-05-13 Derek Hornsey Carbon dioxide in neutral and alkaline sizing processes
ES2159286T3 (es) * 1992-12-23 2001-10-01 Imerys Minerals Ltd Procedimiento para el tratamiento de suspensiones de desperdicios.
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5447603A (en) * 1993-07-09 1995-09-05 The Dow Chemical Company Process for removing metal ions from liquids
GB9507710D0 (en) * 1995-04-13 1995-05-31 Ecc Int Ltd Waste paper treatment process
FI102911B (fi) * 1997-06-13 1999-03-15 Aga Ab Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseks i stabiloidusta massasta
US6059974A (en) * 1997-06-19 2000-05-09 Applied Specialties, Inc. Water treatment process
US6086714A (en) * 1997-10-24 2000-07-11 Praxair Technology, Inc. Process for adjusting the alkalinity of pulp slurry in a broke pulper using carbon dioxide
SE9803384L (sv) * 1998-03-02 1999-09-03 Kemira Kemi Ab Förfarande för behandling av processvatten
SE513460C2 (sv) * 1998-04-08 2000-09-18 Kemira Kemi Ab Behandling av filtrat vid peroxidblekning av massa
US6444128B1 (en) * 1998-07-27 2002-09-03 Power Engineering Company Organic waste removal from process streams
US6221254B1 (en) * 1998-08-25 2001-04-24 J. Rodney Dickerson Purification of liquid streams using carbon dioxide
US6375850B1 (en) * 1999-01-21 2002-04-23 United States Enrichment Corp. Method for removing metals from a cleaning solution
US6203711B1 (en) * 1999-05-21 2001-03-20 E. I. Du Pont De Nemours And Company Method for treatment of substantially aqueous fluids derived from processing inorganic materials
US20020148581A1 (en) * 1999-07-01 2002-10-17 De Rigaud Jean-Mathieu Processes for paper manufacture, useful for incorporating paper waste requiring a basic treatment into paper products
FI109209B (fi) * 2000-04-05 2002-06-14 Stora Enso Oyj Menetelmä paperimassalietteen ligniininpoiston ja valkaisun hallintaan
WO2002026639A1 (fr) * 2000-09-28 2002-04-04 Yoshiyuki Sawada Procede et appareil de clarification d'eaux

Also Published As

Publication number Publication date
SE9902636L (sv) 2001-01-10
SE9902636D0 (sv) 1999-07-09
EP1246965B1 (en) 2004-09-22
JP2003504534A (ja) 2003-02-04
EP1246965A1 (en) 2002-10-09
DE60014169D1 (de) 2004-10-28
US20020134519A1 (en) 2002-09-26
WO2001004415A1 (en) 2001-01-18
NO20020061L (no) 2002-03-01
AU6042600A (en) 2001-01-30
ATE277228T1 (de) 2004-10-15
DE60014169T2 (de) 2005-11-17
CA2377695A1 (en) 2001-01-18
NO20020061D0 (no) 2002-01-07

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