PT2074257T - Treatment of pulp - Google Patents

Treatment of pulp

Info

Publication number
PT2074257T
PT2074257T PT77941987T PT07794198T PT2074257T PT 2074257 T PT2074257 T PT 2074257T PT 77941987 T PT77941987 T PT 77941987T PT 07794198 T PT07794198 T PT 07794198T PT 2074257 T PT2074257 T PT 2074257T
Authority
PT
Portugal
Prior art keywords
pulp
treatment
Prior art date
Application number
PT77941987T
Other languages
Portuguese (pt)
Inventor
Christopher Greschik Thomas
Johansson-Vestin Hans
Fägersten Håkan
Original Assignee
Akzo Nobel Nv
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 Akzo Nobel Nv filed Critical Akzo Nobel Nv
Publication of PT2074257T publication Critical patent/PT2074257T/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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • 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
    • D21H21/00—Non-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
    • D21H21/14—Non-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 characterised by function or properties in or on the paper
    • D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
PT77941987T 2006-09-22 2007-08-29 Treatment of pulp PT2074257T (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06121100 2006-09-22

Publications (1)

Publication Number Publication Date
PT2074257T true PT2074257T (en) 2017-02-10

Family

ID=37814621

Family Applications (1)

Application Number Title Priority Date Filing Date
PT77941987T PT2074257T (en) 2006-09-22 2007-08-29 Treatment of pulp

Country Status (11)

Country Link
EP (1) EP2074257B1 (en)
AR (1) AR062866A1 (en)
BR (1) BRPI0717429A2 (en)
CA (1) CA2664088C (en)
CL (1) CL2007002697A1 (en)
EA (1) EA014734B1 (en)
ES (1) ES2612270T3 (en)
NO (1) NO20091573L (en)
PT (1) PT2074257T (en)
WO (1) WO2008036031A1 (en)
ZA (1) ZA200902765B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2570175T3 (en) 2010-11-16 2016-05-17 Basf Se Manufacture of cellulose pulp sheets

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA821268B (en) * 1981-03-06 1983-03-30 Courtaulds Ltd Drying wood pulp
SE441107C (en) * 1982-05-07 1991-03-07 Modo Chemetics Ab PROCEDURES FOR PREPARING CHEAP HIGH-EXCHANGE MASS WITH GOOD PAPER CHARACTERISTICS
SE8701252D0 (en) * 1987-03-03 1987-03-25 Eka Nobel Ab SET FOR PAPER MAKING
US5785810A (en) * 1991-08-21 1998-07-28 Salminen; Reijo K. Wood pulp processing apparatus and method
US5695609A (en) * 1992-01-20 1997-12-09 Kemira Oy Process for producing paper
WO1999050500A1 (en) * 1998-03-31 1999-10-07 Callaway Corporation Improving retention and drainage in alkaline fine paper
US7081184B2 (en) * 2002-05-15 2006-07-25 Weyerhaeuser Company Process for making a very low COD unbleached pulp
SE526292C2 (en) * 2004-04-07 2005-08-16 Kvaerner Pulping Tech Method and apparatus for diluting dewatered cellulose pulp

Also Published As

Publication number Publication date
CA2664088C (en) 2015-02-24
ES2612270T3 (en) 2017-05-16
EA014734B1 (en) 2011-02-28
CL2007002697A1 (en) 2008-03-28
EA200970314A1 (en) 2009-10-30
BRPI0717429A2 (en) 2013-11-12
AR062866A1 (en) 2008-12-10
ZA200902765B (en) 2010-03-31
EP2074257A1 (en) 2009-07-01
CA2664088A1 (en) 2008-03-27
NO20091573L (en) 2009-04-21
EP2074257B1 (en) 2016-11-23
WO2008036031A1 (en) 2008-03-27

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