DE3265116D1 - A method for improving the washing of cellulose pulps produced from lignocellulosic material - Google Patents

A method for improving the washing of cellulose pulps produced from lignocellulosic material

Info

Publication number
DE3265116D1
DE3265116D1 DE8282100102T DE3265116T DE3265116D1 DE 3265116 D1 DE3265116 D1 DE 3265116D1 DE 8282100102 T DE8282100102 T DE 8282100102T DE 3265116 T DE3265116 T DE 3265116T DE 3265116 D1 DE3265116 D1 DE 3265116D1
Authority
DE
Germany
Prior art keywords
washing
improving
lignocellulosic material
pulp
cellulose pulps
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
Application number
DE8282100102T
Other languages
German (de)
English (en)
Inventor
Jonas Arne Ingvar Lindahl
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.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo 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
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Application granted granted Critical
Publication of DE3265116D1 publication Critical patent/DE3265116D1/de
Expired 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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/40—Washing the fibres

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Peptides Or Proteins (AREA)
DE8282100102T 1981-01-14 1982-01-08 A method for improving the washing of cellulose pulps produced from lignocellulosic material Expired DE3265116D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8100179A SE443383C (sv) 1981-01-14 1981-01-14 Forfarande for tvettning av cellulosamassa

Publications (1)

Publication Number Publication Date
DE3265116D1 true DE3265116D1 (en) 1985-09-12

Family

ID=20342871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282100102T Expired DE3265116D1 (en) 1981-01-14 1982-01-08 A method for improving the washing of cellulose pulps produced from lignocellulosic material

Country Status (9)

Country Link
EP (1) EP0056263B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS57139591A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE14762T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU548277B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1164704A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3265116D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI69656C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO160219C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE443383C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE445051B (sv) * 1980-04-10 1986-05-26 Sca Development Ab Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
FI77063B (fi) * 1986-12-17 1988-09-30 Ahlstroem Oy Foerfarande foer effektivering av fibersuspensionstvaett.
FI81136C (fi) * 1987-11-11 1990-09-10 Ahlstroem Oy Foerfarande och anordning foer behandling av massa.
US5554259A (en) 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
BR0109283A (pt) 2000-03-14 2002-12-17 James Hardie Res Pty Ltd Materiais para construção de cimento com fibra contendo aditivos de baixa densidade
WO2002028795A2 (en) 2000-10-04 2002-04-11 James Hardie Research Pty Limited Fiber cement composite materials using sized cellulose fibers
EP1574614B1 (en) 2000-10-17 2015-11-11 James Hardie Technology Limited Method for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
WO2002033164A2 (en) * 2000-10-17 2002-04-25 James Hardie Research Pty Limited Method for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
DE60219443T2 (de) 2001-03-09 2007-12-20 James Hardie International Finance B.V. Faserverstärkte zementmaterialien unter verwendung von chemisch abgeänderten fasern mit verbesserter mischbarkeit
US7993570B2 (en) 2002-10-07 2011-08-09 James Hardie Technology Limited Durable medium-density fibre cement composite
CL2004000021A1 (es) 2003-01-09 2005-02-18 James Hardie Int Finance Bv Material compuesto que comprende una matriz cementosa, y una mezcla de fibras celulosicas blanqueadas y sin blanquear que son incorporadas dentro de la matriz cementosa; metodo para fabricar un material compuesto de cemento reforzado con fibras.
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
WO2007115379A1 (en) 2006-04-12 2007-10-18 James Hardie International Finance B.V. A surface sealed reinforced building element
DE102007036377A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Einsatz von Wasch- und Schneckenpressen für die Rohmaterial- und Faserstoffwäsche
US8209927B2 (en) 2007-12-20 2012-07-03 James Hardie Technology Limited Structural fiber cement building materials
SE538262C2 (sv) * 2014-06-26 2016-04-19 Valmet Oy Arrangemang för matning och tvättning av lignocellulosahaltigt material och system för tvåstegsanalys innefattandearrangemanget

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451963A1 (fr) * 1979-03-22 1980-10-17 Creusot Loire Procede et installation de preparation et de lavage d'une pate a papier a partir d'une matiere lignocellulosique reduite en morceaux

Also Published As

Publication number Publication date
NO820095L (no) 1982-07-15
CA1164704A (en) 1984-04-03
SE443383C (sv) 1987-11-16
JPS63557B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-01-07
FI69656C (fi) 1991-12-24
ATE14762T1 (de) 1985-08-15
AU7917582A (en) 1982-07-22
JPS57139591A (en) 1982-08-28
NO160219B (no) 1988-12-12
FI820005L (fi) 1982-07-15
SE8100179L (sv) 1982-07-15
SE443383B (sv) 1986-02-24
EP0056263B1 (en) 1985-08-07
EP0056263A1 (en) 1982-07-21
AU548277B2 (en) 1985-12-05
NO160219C (no) 1989-03-22
FI69656B (fi) 1985-11-29

Similar Documents

Publication Publication Date Title
DE3265116D1 (en) A method for improving the washing of cellulose pulps produced from lignocellulosic material
PT78458A (en) Process and device for the recovery of chemicals from pulp wast liquor
DE3162025D1 (en) Method of washing laundry, and washing machine with drum for performing the method
DE3468454D1 (en) Process for the treatment of cellulosic materials with oxidising agents
GB8417188D0 (en) Operating programme-controlled drum-type washing machine
NZ235679A (en) Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages
DE3877403D1 (de) Verfahren zum bleichen von zellstoffen.
IT1197760B (it) Metodo per sbiancare mediante perossido un materiale contenente cellulosa
ATE110129T1 (de) Verfahren zum bleichen von chemischen zellstoffen.
DE3464267D1 (en) Pulp washing process
ZA84838B (en) Continuous counterflow wood pulp fiber washing mechanism and method
RU93005264A (ru) Способ варки целлюлозы
DE3475804D1 (en) Method for causticizing green liquor in an alkaline pulping process
ZA823048B (en) Process for bleaching chemically produced pulp
DE69611680D1 (de) Zellstoffbehandlung mit einem komplexbildner in mindestens zwei mischungstufen ohne zwischenwäsche
JPS5751891A (en) Felt washing method in papermaking machine
Wang Improvement of causticizing system in a bleached bagasse pulp plant.
SE8501032D0 (sv) Kontinuerligt syre-alkaliextraktionsforfarande for blekning och delignifiering av tremassa samt anordning herfor
ATE27834T1 (de) Pulpwaschverfahren.
PL237267A2 (en) Method of washing and bleaching of wood pulps

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee