NO983302D0 - Bearbeiding av mekaniske tremasser med redusert energi - Google Patents

Bearbeiding av mekaniske tremasser med redusert energi

Info

Publication number
NO983302D0
NO983302D0 NO983302A NO983302A NO983302D0 NO 983302 D0 NO983302 D0 NO 983302D0 NO 983302 A NO983302 A NO 983302A NO 983302 A NO983302 A NO 983302A NO 983302 D0 NO983302 D0 NO 983302D0
Authority
NO
Norway
Prior art keywords
machining
wood pulp
reduced energy
mechanical wood
mechanical
Prior art date
Application number
NO983302A
Other languages
English (en)
Other versions
NO983302L (no
Inventor
Adrian J Barnet
Original Assignee
Donohue Inc
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 Donohue Inc filed Critical Donohue Inc
Publication of NO983302D0 publication Critical patent/NO983302D0/no
Publication of NO983302L publication Critical patent/NO983302L/no

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
    • D21C9/001—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
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO983302A 1997-07-17 1998-07-16 Bearbeiding av mekaniske tremasser med redusert energi NO983302L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5292497P 1997-07-17 1997-07-17

Publications (2)

Publication Number Publication Date
NO983302D0 true NO983302D0 (no) 1998-07-16
NO983302L NO983302L (no) 1999-01-18

Family

ID=21980801

Family Applications (1)

Application Number Title Priority Date Filing Date
NO983302A NO983302L (no) 1997-07-17 1998-07-16 Bearbeiding av mekaniske tremasser med redusert energi

Country Status (3)

Country Link
EP (1) EP0892107A1 (no)
CA (1) CA2243228A1 (no)
NO (1) NO983302L (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002813A2 (de) * 2001-06-29 2003-01-09 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum delignifizieren lignocellulosischer rohstoffe
DE10323376A1 (de) * 2003-05-21 2004-12-16 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum Delignifizieren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145246A (en) * 1976-07-19 1979-03-20 Crown Zellerbach Corporation Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom
AU531907B2 (en) * 1979-12-17 1983-09-08 Ontario Paper Co. Ltd., The Forming refiner pulps

Also Published As

Publication number Publication date
NO983302L (no) 1999-01-18
CA2243228A1 (en) 1999-01-17
EP0892107A1 (en) 1999-01-20

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application