DE60014169D1 - Verfahren zur entfernung von schädlichen bestandteilen aus einer behandlungsflüssigkeit - Google Patents

Verfahren zur entfernung von schädlichen bestandteilen aus einer behandlungsflüssigkeit

Info

Publication number
DE60014169D1
DE60014169D1 DE60014169T DE60014169T DE60014169D1 DE 60014169 D1 DE60014169 D1 DE 60014169D1 DE 60014169 T DE60014169 T DE 60014169T DE 60014169 T DE60014169 T DE 60014169T DE 60014169 D1 DE60014169 D1 DE 60014169D1
Authority
DE
Germany
Prior art keywords
process liquid
carbon dioxide
metal ions
detrimental substances
treatment liquid
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 - Fee Related
Application number
DE60014169T
Other languages
English (en)
Other versions
DE60014169T2 (de
Inventor
Anette Karlsson
Liviu Haias
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.)
Linde GmbH
Original Assignee
Linde GmbH
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=DE60014169(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Linde GmbH filed Critical Linde GmbH
Application granted granted Critical
Publication of DE60014169D1 publication Critical patent/DE60014169D1/de
Publication of DE60014169T2 publication Critical patent/DE60014169T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE60014169T 1999-07-09 2000-07-05 Verfahren zur entfernung von schädlichen bestandteilen aus einer behandlungsflüssigkeit Expired - Fee Related DE60014169T2 (de)

Applications Claiming Priority (3)

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
SE9902636 1999-07-09
PCT/SE2000/001427 WO2001004415A1 (en) 1999-07-09 2000-07-05 Method for eliminating detrimental substances in a process liquid

Publications (2)

Publication Number Publication Date
DE60014169D1 true DE60014169D1 (de) 2004-10-28
DE60014169T2 DE60014169T2 (de) 2005-11-17

Family

ID=20416444

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60014169T Expired - Fee Related DE60014169T2 (de) 1999-07-09 2000-07-05 Verfahren zur entfernung von schädlichen bestandteilen aus einer behandlungsflüssigkeit

Country Status (10)

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

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 (de) * 2006-02-07 2007-08-08 L'AIR LIQUIDE, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Verwendung von Kohlendioxid zur Optimierung des pH-Werts im nassen Teil der Papiermachine
DE102007036376A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Gebleichter Faserstoff
EP2831889B1 (de) 2012-03-26 2018-11-21 Kurion, Inc. Selektive regeneration von isotopenspezifischen medienharzen in systemen zur trennung radioaktiver isotope von flüssigen abfallstoffen
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
KR890002277B1 (ko) * 1984-07-13 1989-06-27 가부시기가이샤 히다찌세이사꾸쇼 중금속 키일레이트 화합물을 포함하는 폐액의 처리 방법
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
EP1052227B1 (de) * 1992-12-23 2005-12-14 Imerys Minerals Limited Verfahren zur Behandlung von Abfallsuspensionen
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
CA2294129C (en) * 1997-06-19 2011-09-13 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
AU2001288109A1 (en) * 2000-09-28 2002-04-08 Yoshiyuki Sawada Method and apparatus for clarification of water

Also Published As

Publication number Publication date
EP1246965A1 (de) 2002-10-09
SE514687C2 (sv) 2001-04-02
CA2377695A1 (en) 2001-01-18
SE9902636L (sv) 2001-01-10
EP1246965B1 (de) 2004-09-22
DE60014169T2 (de) 2005-11-17
NO20020061L (no) 2002-03-01
AU6042600A (en) 2001-01-30
ATE277228T1 (de) 2004-10-15
JP2003504534A (ja) 2003-02-04
NO20020061D0 (no) 2002-01-07
SE9902636D0 (sv) 1999-07-09
WO2001004415A1 (en) 2001-01-18
US20020134519A1 (en) 2002-09-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: LINDE AG, 80807 MUENCHEN, DE

8339 Ceased/non-payment of the annual fee