FI881930A0 - MASSABLEKNINGSFOERFARANDE. - Google Patents

MASSABLEKNINGSFOERFARANDE.

Info

Publication number
FI881930A0
FI881930A0 FI881930A FI881930A FI881930A0 FI 881930 A0 FI881930 A0 FI 881930A0 FI 881930 A FI881930 A FI 881930A FI 881930 A FI881930 A FI 881930A FI 881930 A0 FI881930 A0 FI 881930A0
Authority
FI
Finland
Prior art keywords
massablekningsfoerfarande
Prior art date
Application number
FI881930A
Other languages
Finnish (fi)
Other versions
FI881930A (en
Inventor
John K Rogers
Ronald K Baysden
Original Assignee
James River Norwalk 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 James River Norwalk Inc filed Critical James River Norwalk Inc
Publication of FI881930A publication Critical patent/FI881930A/en
Publication of FI881930A0 publication Critical patent/FI881930A0/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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI881930A 1986-08-28 1988-04-25 MASSABLEKNINGSFOERFARANDE. FI881930A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US90099286A 1986-08-28 1986-08-28
PCT/US1987/002130 WO1988001661A1 (en) 1986-08-28 1987-08-25 Pulp bleaching process

Publications (2)

Publication Number Publication Date
FI881930A FI881930A (en) 1988-04-25
FI881930A0 true FI881930A0 (en) 1988-04-25

Family

ID=25413427

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881930A FI881930A0 (en) 1986-08-28 1988-04-25 MASSABLEKNINGSFOERFARANDE.

Country Status (3)

Country Link
EP (1) EP0279845A4 (en)
FI (1) FI881930A0 (en)
WO (1) WO1988001661A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000386A1 (en) * 1989-06-30 1991-01-10 Nekoosa Papers, Inc. A method for bleaching kraft pulp with a mixture of oxygen and peroxide
US7976676B2 (en) 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US9057156B2 (en) 2010-12-22 2015-06-16 Skzo Nobel Chemicals International B.V. Process for improving chlorine dioxide bleaching of pulp
CN103266519A (en) * 2013-05-14 2013-08-28 昆明理工大学 Preparation method of bleached straw pulp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4238281A (en) * 1979-04-30 1980-12-09 Canadian International Paper Company Simplified bleaching process
SE462919B (en) * 1979-05-11 1990-09-17 Sunds Defibrator Ind Ab PROCEDURE TO PERFORM ALKALIE EXTRACTION OF CELLULOSAMASS IN THE PRESENCE OF ACID
SU874813A1 (en) * 1980-01-31 1981-10-23 Всесоюзное научно-производственное объединение целлюлозно-бумажной промышленности Method of bleaching pulp for chemical processing
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage

Also Published As

Publication number Publication date
EP0279845A1 (en) 1988-08-31
FI881930A (en) 1988-04-25
EP0279845A4 (en) 1991-01-09
WO1988001661A1 (en) 1988-03-10

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed
MM Patent lapsed

Owner name: JAMES RIVER-NORWALK, INC.