FR2495655B1 - - Google Patents

Info

Publication number
FR2495655B1
FR2495655B1 FR8122712A FR8122712A FR2495655B1 FR 2495655 B1 FR2495655 B1 FR 2495655B1 FR 8122712 A FR8122712 A FR 8122712A FR 8122712 A FR8122712 A FR 8122712A FR 2495655 B1 FR2495655 B1 FR 2495655B1
Authority
FR
France
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
FR8122712A
Other languages
French (fr)
Other versions
FR2495655A1 (fr
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
Priority claimed from SE8008574A external-priority patent/SE424884B/sv
Application filed by Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of FR2495655A1 publication Critical patent/FR2495655A1/fr
Application granted granted Critical
Publication of FR2495655B1 publication Critical patent/FR2495655B1/fr
Granted 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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR8122712A 1980-11-21 1981-12-04 Procede pour reduire la teneur en resine dans la preparation de pates de cellulose provenant de matieres lignocellulosiques Granted FR2495655A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20890980A 1980-11-21 1980-11-21
SE8008574A SE424884B (sv) 1980-12-05 1980-12-05 Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial
US06/326,866 US4444621A (en) 1980-11-21 1981-12-03 Process and apparatus for the deresination and brightness improvement of cellulose pulp

Publications (2)

Publication Number Publication Date
FR2495655A1 FR2495655A1 (fr) 1982-06-11
FR2495655B1 true FR2495655B1 (en:Method) 1984-02-17

Family

ID=32966333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8122712A Granted FR2495655A1 (fr) 1980-11-21 1981-12-04 Procede pour reduire la teneur en resine dans la preparation de pates de cellulose provenant de matieres lignocellulosiques

Country Status (2)

Country Link
US (1) US4444621A (en:Method)
FR (1) FR2495655A1 (en:Method)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE441282B (sv) * 1984-02-22 1985-09-23 Mo Och Domsjoe Ab Forfarande for framstellning av forbettrad hogutbytesmassa
US4673460A (en) * 1984-09-27 1987-06-16 Stepan Company Deresination method of wood pulp
SE8405128L (sv) * 1984-10-15 1986-04-16 Kamyr Ab Behandling av hogutbytesmassa
US4806203A (en) * 1985-02-14 1989-02-21 Elton Edward F Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
FI864154A0 (fi) * 1985-02-14 1986-10-14 Edward Francis Elton Foerfarande och anordning foer alkaliskt avlaegsnande av lignin fraon fibermaterial som innefattar lignocellulosa.
US4869783A (en) * 1986-07-09 1989-09-26 The Mead Corporation High-yield chemical pulping
FI75836C (fi) * 1987-01-27 1988-08-08 Metsae Serla Oy Nytt foerfarande foer framstaellning av natriumkarboximetylcellulosa.
US5023097A (en) * 1988-04-05 1991-06-11 Xylan, Inc. Delignification of non-woody biomass
US4842877A (en) * 1988-04-05 1989-06-27 Xylan, Inc. Delignification of non-woody biomass
US5427945A (en) * 1988-11-23 1995-06-27 Sandoz Ltd. White-rot fungus and uses thereof
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5032239A (en) * 1989-03-24 1991-07-16 Sweeney Charles T Conversion of cellulosic agricultural wastes
US5032224A (en) * 1989-03-27 1991-07-16 Exxon Chemical Patent Inc. Method of producing pulp
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
US5302245A (en) * 1991-04-02 1994-04-12 Vps Technology Partnership Integrated wastepaper treatment process
DE69221385T2 (de) * 1991-05-24 1997-12-11 Union Camp Patent Holding, Inc., Wilmington, Del. Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon
US5405498A (en) * 1993-06-22 1995-04-11 Betz Paperchem, Inc. Method for improving pulp washing efficiency
US5458737A (en) * 1993-07-27 1995-10-17 Hoechst Celanese Corporation Quaternary compounds as brightness enhancers
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
US5705216A (en) * 1995-08-11 1998-01-06 Tyson; George J. Production of hydrophobic fibers
AU1357097A (en) * 1996-02-27 1997-09-16 Tetra Laval Holdings & Finance Sa Process for sanitizing post-consumer paper fibers and product formed therefrom
US8262850B2 (en) 2003-09-23 2012-09-11 International Paper Company Chemical activation and refining of southern pine kraft fibers
WO2006119392A1 (en) 2005-05-02 2006-11-09 International Paper Company Ligno cellulosic materials and the products made therefrom
FI20070126A0 (fi) * 2006-09-08 2007-02-13 Linde Ag Menetelmä hartsin poistamiseksi massasta ja hiilidioksidin tai (bi)karbonaatin käyttö tähän tarkoitukseen
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
EP3636830A1 (en) 2009-05-28 2020-04-15 GP Cellulose GmbH Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
WO2011088889A1 (en) * 2010-01-19 2011-07-28 Södra Skogsägarna Ekonomisk Förening Process for production of oxidised cellulose pulp
BR112015019882A2 (pt) 2013-03-14 2017-07-18 Gp Cellulose Gmbh fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios
RU2661836C2 (ru) 2013-03-15 2018-07-19 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Крафт-волокно с низкой вязкостью, имеющее повышенное содержание карбоксильных групп, и способы его получения и применения
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
CN119121674A (zh) 2017-03-21 2024-12-13 国际纸业公司 气味控制纸浆组合物

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA902306A (en) * 1972-06-13 Forssblad Lars-Henrik Method of treating unbleached pulp
BE517333A (en:Method) * 1952-02-02
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE418628B (sv) * 1979-09-12 1981-06-15 Mo Och Domsjoe Ab Forfarande for hartshaltsminskning vid framstellning av cellulosamassor ur lignocellulosamaterial

Also Published As

Publication number Publication date
FR2495655A1 (fr) 1982-06-11
US4444621A (en) 1984-04-24

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