FI990444A0 - Ökning av fibermassans freeness - Google Patents

Ökning av fibermassans freeness

Info

Publication number
FI990444A0
FI990444A0 FI990444A FI990444A FI990444A0 FI 990444 A0 FI990444 A0 FI 990444A0 FI 990444 A FI990444 A FI 990444A FI 990444 A FI990444 A FI 990444A FI 990444 A0 FI990444 A0 FI 990444A0
Authority
FI
Finland
Prior art keywords
freeness
increase
fiber mass
fiber
mass
Prior art date
Application number
FI990444A
Other languages
English (en)
Finnish (fi)
Other versions
FI990444A (sv
Inventor
Jawed M Sarkar
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of FI990444A0 publication Critical patent/FI990444A0/sv
Publication of FI990444A publication Critical patent/FI990444A/sv

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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI990444A 1998-03-11 1999-03-02 Ökning av fibermassans freeness FI990444A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3854098A 1998-03-11 1998-03-11

Publications (2)

Publication Number Publication Date
FI990444A0 true FI990444A0 (sv) 1999-03-02
FI990444A FI990444A (sv) 1999-09-12

Family

ID=21900536

Family Applications (1)

Application Number Title Priority Date Filing Date
FI990444A FI990444A (sv) 1998-03-11 1999-03-02 Ökning av fibermassans freeness

Country Status (4)

Country Link
ES (1) ES2155015B1 (sv)
FI (1) FI990444A (sv)
FR (1) FR2775990A1 (sv)
SE (1) SE9900757L (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
NZ518975A (en) * 1999-11-19 2003-11-28 Buckman Labor Inc Paper making processes using enzyme and polymer combinations
FI115232B (sv) 2002-11-19 2005-03-31 Metso Paper Inc Tätningsanordning mot rörlig väv

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK80390D0 (sv) * 1990-03-29 1990-03-29 Novo Nordisk As
US5620565A (en) * 1994-06-29 1997-04-15 Kimberly-Clark Corporation Production of soft paper products from high and low coarseness fibers
US5501770A (en) * 1994-08-12 1996-03-26 Nalco Chemical Company Enzymes in combination with polyelectrolytes for enhancing the freeness of clarified sludge in papermaking

Also Published As

Publication number Publication date
ES2155015A1 (es) 2001-04-16
FR2775990A1 (fr) 1999-09-17
SE9900757L (sv) 1999-09-12
FI990444A (sv) 1999-09-12
SE9900757D0 (sv) 1999-03-03
ES2155015B1 (es) 2001-12-01

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