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SE9900757L - Ökning av en massas freeness - Google Patents

Ökning av en massas freeness

Info

Publication number
SE9900757L
SE9900757L SE9900757A SE9900757A SE9900757L SE 9900757 L SE9900757 L SE 9900757L SE 9900757 A SE9900757 A SE 9900757A SE 9900757 A SE9900757 A SE 9900757A SE 9900757 L SE9900757 L SE 9900757L
Authority
SE
Sweden
Prior art keywords
freeness
mass
increasing
pulp
tonne
Prior art date
Application number
SE9900757A
Other languages
Unknown language ( )
English (en)
Other versions
SE9900757D0 (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 SE9900757D0 publication Critical patent/SE9900757D0/sv
Publication of SE9900757L publication Critical patent/SE9900757L/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

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
SE9900757A 1998-03-11 1999-03-03 Ökning av en massas freeness SE9900757L (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
SE9900757D0 SE9900757D0 (sv) 1999-03-03
SE9900757L true SE9900757L (sv) 1999-09-12

Family

ID=21900536

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900757A SE9900757L (sv) 1998-03-11 1999-03-03 Ökning av en massas freeness

Country Status (4)

Country Link
ES (1) ES2155015B1 (sv)
FI (1) FI990444A7 (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
CA2391576C (en) * 1999-11-19 2007-04-24 Buckman Laboratories International, Inc. Paper making processes using enzyme and polymer combinations
US6939437B1 (en) 1999-11-19 2005-09-06 Buckman Laboratories International, 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
FI990444A0 (sv) 1999-03-02
SE9900757D0 (sv) 1999-03-03
FI990444L (sv) 1999-09-12
FI990444A7 (sv) 1999-09-12
FR2775990A1 (fr) 1999-09-17
ES2155015B1 (es) 2001-12-01

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9900757-7