NO330364B1 - Prosess for a bedre avvanningen av cellulosepulp - Google Patents

Prosess for a bedre avvanningen av cellulosepulp Download PDF

Info

Publication number
NO330364B1
NO330364B1 NO20002230A NO20002230A NO330364B1 NO 330364 B1 NO330364 B1 NO 330364B1 NO 20002230 A NO20002230 A NO 20002230A NO 20002230 A NO20002230 A NO 20002230A NO 330364 B1 NO330364 B1 NO 330364B1
Authority
NO
Norway
Prior art keywords
pulp
carbon dioxide
paper
dewatering
suspension
Prior art date
Application number
NO20002230A
Other languages
English (en)
Norwegian (no)
Other versions
NO20002230L (no
NO20002230D0 (no
Inventor
Hannu Leino
Anna Holmberg
Original Assignee
Aga 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=8549875&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO330364(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Aga Ab filed Critical Aga Ab
Publication of NO20002230D0 publication Critical patent/NO20002230D0/no
Publication of NO20002230L publication Critical patent/NO20002230L/no
Publication of NO330364B1 publication Critical patent/NO330364B1/no

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/18De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06Paper forming aids
    • D21H21/10Retention agents or drainage improvers
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/65Acid compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Saccharide Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
NO20002230A 1997-11-05 2000-04-28 Prosess for a bedre avvanningen av cellulosepulp NO330364B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974145A FI104503B (fi) 1997-11-05 1997-11-05 Menetelmä selluloosamassojen suotautuvuuden parantamiseksi
PCT/FI1998/000851 WO1999024661A1 (fr) 1997-11-05 1998-11-03 Procede permettant un meilleur drainage des pulpes cellulosiques

Publications (3)

Publication Number Publication Date
NO20002230D0 NO20002230D0 (no) 2000-04-28
NO20002230L NO20002230L (no) 2000-07-04
NO330364B1 true NO330364B1 (no) 2011-04-04

Family

ID=8549875

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20002230A NO330364B1 (no) 1997-11-05 2000-04-28 Prosess for a bedre avvanningen av cellulosepulp

Country Status (11)

Country Link
US (1) US6589387B1 (fr)
EP (1) EP1029124B1 (fr)
JP (1) JP2001522952A (fr)
AT (1) ATE287003T1 (fr)
AU (1) AU749576B2 (fr)
CA (1) CA2307838C (fr)
DE (1) DE69828636T2 (fr)
ES (1) ES2234163T3 (fr)
FI (1) FI104503B (fr)
NO (1) NO330364B1 (fr)
WO (1) WO1999024661A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI991241L (fi) 1999-06-01 2000-12-02 Aga Ab Ligniinin valkaisu ja menetelmä paperin valmistamiseksi
US7056419B2 (en) 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
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
DE102006042429B3 (de) * 2006-09-09 2008-01-24 Messer Austria Gmbh Verfahren zum Entfernen von Kleberresten bei der Wiederverwertung von Altpapier
FI126013B (en) * 2012-02-13 2016-05-31 Upm Kymmene Corp A method and system for treating fibril cellulose, as well as a fibril cellulose material
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8605510L (sv) * 1986-12-22 1987-09-17 Aga Ab Sett vid tvettning av massa
AU1175188A (en) * 1987-02-27 1988-09-01 Boc Group, Inc., The Use of gaseous carbon dioxide to adjust ph of cellulosic pulp
CA2069713C (fr) 1992-05-27 2003-05-13 Derek Hornsey Utilisation de dioxyde de carbone dans des procedes de collage du papier en milieu neutre ou alcalin
US6200416B1 (en) * 1997-06-10 2001-03-13 Praxair Technology, Inc. Recycled paper production process which incorporates carbon dioxide

Also Published As

Publication number Publication date
ATE287003T1 (de) 2005-01-15
CA2307838C (fr) 2008-01-15
ES2234163T3 (es) 2005-06-16
FI974145L (fi) 1999-05-06
EP1029124A1 (fr) 2000-08-23
NO20002230L (no) 2000-07-04
FI104503B (fi) 2000-02-15
US6589387B1 (en) 2003-07-08
FI974145A0 (fi) 1997-11-05
AU749576B2 (en) 2002-06-27
EP1029124B1 (fr) 2005-01-12
WO1999024661A1 (fr) 1999-05-20
DE69828636D1 (de) 2005-02-17
AU1034199A (en) 1999-05-31
JP2001522952A (ja) 2001-11-20
DE69828636T2 (de) 2005-12-29
CA2307838A1 (fr) 1999-05-20
NO20002230D0 (no) 2000-04-28

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