BR8600421A - Processo para melhorar as propriedades mecanicas de uma pasta de papel quimica ou semi-quimica de bagacos - Google Patents

Processo para melhorar as propriedades mecanicas de uma pasta de papel quimica ou semi-quimica de bagacos

Info

Publication number
BR8600421A
BR8600421A BR8600421A BR8600421A BR8600421A BR 8600421 A BR8600421 A BR 8600421A BR 8600421 A BR8600421 A BR 8600421A BR 8600421 A BR8600421 A BR 8600421A BR 8600421 A BR8600421 A BR 8600421A
Authority
BR
Brazil
Prior art keywords
chemical
semi
improve
mechanical properties
paper paste
Prior art date
Application number
BR8600421A
Other languages
English (en)
Inventor
Jacques Hageman
Lucien Plumet
Original Assignee
Interox
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 Interox filed Critical Interox
Publication of BR8600421A publication Critical patent/BR8600421A/pt

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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR8600421A 1985-02-04 1986-02-03 Processo para melhorar as propriedades mecanicas de uma pasta de papel quimica ou semi-quimica de bagacos BR8600421A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8501608A FR2576930B1 (fr) 1985-02-04 1985-02-04 Procede pour la delignification et le blanchiment de pate a papier chimique ou semi-chimique de bagasse

Publications (1)

Publication Number Publication Date
BR8600421A true BR8600421A (pt) 1986-10-14

Family

ID=9315961

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8600421A BR8600421A (pt) 1985-02-04 1986-02-03 Processo para melhorar as propriedades mecanicas de uma pasta de papel quimica ou semi-quimica de bagacos

Country Status (13)

Country Link
EP (1) EP0190723A1 (pt)
JP (1) JPS61179390A (pt)
CN (1) CN86101158A (pt)
AU (1) AU5293886A (pt)
BR (1) BR8600421A (pt)
EG (1) EG17850A (pt)
ES (1) ES8802335A1 (pt)
FR (1) FR2576930B1 (pt)
IN (1) IN164977B (pt)
PH (1) PH21180A (pt)
PT (1) PT81909B (pt)
TN (1) TNSN86016A1 (pt)
ZA (1) ZA86598B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
BE1004674A3 (fr) * 1991-03-11 1993-01-12 Interox Internat Sa Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft.
EP0560421B1 (fr) * 1992-03-09 1997-07-16 SOLVAY INTEROX (Société Anonyme) Procédé pour la décoloration et le blanchiment de vieux papiers colorés
WO2009015555A1 (fr) * 2007-07-27 2009-02-05 Shandong Tralin Paper Co., Ltd Pâte à papier à base d'herbe utilisée dans la fabrication du papier et son procédé de préparation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4404061A (en) * 1981-08-17 1983-09-13 International Paper Company Bleaching of lignocellulosic materials with monopersulfuric acid or its salts

Also Published As

Publication number Publication date
JPS61179390A (ja) 1986-08-12
PT81909A (fr) 1986-02-01
FR2576930A1 (fr) 1986-08-08
ES551586A0 (es) 1987-04-16
IN164977B (pt) 1989-07-15
CN86101158A (zh) 1986-07-30
PH21180A (en) 1987-08-07
FR2576930B1 (fr) 1988-08-12
EG17850A (en) 1991-11-30
EP0190723A1 (fr) 1986-08-13
AU5293886A (en) 1986-08-07
TNSN86016A1 (fr) 1990-01-01
PT81909B (fr) 1987-05-13
ES8802335A1 (es) 1987-04-16
ZA86598B (en) 1987-01-28

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 03/02/2001

B15K Others concerning applications: alteration of classification

Ipc: D21C 9/16 (2006.01)