[go: up one dir, main page]

FR2754550B1 - PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP - Google Patents

PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP

Info

Publication number
FR2754550B1
FR2754550B1 FR9612568A FR9612568A FR2754550B1 FR 2754550 B1 FR2754550 B1 FR 2754550B1 FR 9612568 A FR9612568 A FR 9612568A FR 9612568 A FR9612568 A FR 9612568A FR 2754550 B1 FR2754550 B1 FR 2754550B1
Authority
FR
France
Prior art keywords
delignification
bleaching
pulp
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9612568A
Other languages
French (fr)
Other versions
FR2754550A1 (en
Inventor
Thierry Delagoutte
Dominique Lachenal
Henry Ledon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemoxal SA
Original Assignee
Chemoxal SA
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 Chemoxal SA filed Critical Chemoxal SA
Priority to FR9612568A priority Critical patent/FR2754550B1/en
Priority to EP97400799A priority patent/EP0801170A1/en
Priority to JP9415497A priority patent/JPH1037089A/en
Priority to CN 97110725 priority patent/CN1166553A/en
Priority to CA 2202445 priority patent/CA2202445A1/en
Publication of FR2754550A1 publication Critical patent/FR2754550A1/en
Application granted granted Critical
Publication of FR2754550B1 publication Critical patent/FR2754550B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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)
FR9612568A 1996-04-12 1996-10-15 PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP Expired - Fee Related FR2754550B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR9612568A FR2754550B1 (en) 1996-10-15 1996-10-15 PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP
EP97400799A EP0801170A1 (en) 1996-04-12 1997-04-08 Process for the delignification and/or bleaching of a paper pulp
JP9415497A JPH1037089A (en) 1996-04-12 1997-04-11 Delignification and/or bleaching of paper pulp
CN 97110725 CN1166553A (en) 1996-04-12 1997-04-11 Process for deflingification and/or bleaching of paper pulp
CA 2202445 CA2202445A1 (en) 1996-04-12 1997-04-11 Process for the delignification and/or bleaching of a paper pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9612568A FR2754550B1 (en) 1996-10-15 1996-10-15 PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP

Publications (2)

Publication Number Publication Date
FR2754550A1 FR2754550A1 (en) 1998-04-17
FR2754550B1 true FR2754550B1 (en) 1998-11-06

Family

ID=9496682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9612568A Expired - Fee Related FR2754550B1 (en) 1996-04-12 1996-10-15 PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP

Country Status (1)

Country Link
FR (1) FR2754550B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50696C (en) * 1938-09-14
FR1553704A (en) * 1966-05-31 1969-01-17
JP3046628B2 (en) * 1991-01-23 2000-05-29 日本パーオキサイド株式会社 Method for producing peracetic acid composition
BE1006057A3 (en) * 1992-07-06 1994-05-03 Solvay Interox Method for delignification of chemical pulp.
RU2046869C1 (en) * 1993-05-31 1995-10-27 Акционерное общество открытого типа "Всероссийский научно-исследовательский институт целлюлозно-бумажной промышленности" Method of bleached cellulose production

Also Published As

Publication number Publication date
FR2754550A1 (en) 1998-04-17

Similar Documents

Publication Publication Date Title
AR243946A1 (en) Process for the chlorine-free bleaching of pulp
FR2646446B1 (en) PAPER PULP OXYGEN DELIGNIFICATION PROCESS
FR2632668B1 (en) FELT FOR THE PRESS SECTION OF A PAPER MACHINE
FR2641803B1 (en) PROCESS FOR DELIVERING PAPER PULP ON THE METAL CANVAS OF A PAPER MACHINE
FI882905A0 (en) Apparatus for dispensing a suspension of fibrous cellulosic pulp
AU7026591A (en) Doctor blade for pulp or papermaking machine doctors
FR2719854B1 (en) Process for the preparation of delignified and bleached chemical paper pulps.
EP0671507A3 (en) Anionic cationic polyelectrolytes to increase the drainage of the pulp.
FI944975L (en) Pulp and white paper product and method for making the paper product
GB2287724B (en) Process and agent for the oxidative bleaching of wood pulp and/or deinking waste paper
MA22460A1 (en) PROCESS FOR THE BLEACHING OF A CHEMICAL PULP AND APPLICATION OF THIS PROCESS TO THE BLEACHING OF A KRAFT PULP
FR2679933B1 (en) SINGLE STEP EXTINGUISHING AND CAUSTIFICATION PROCESS FOR THE PRODUCTION OF CELLULOSE PULP.
FR2747407B1 (en) PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF CHEMICAL PAPER PULP
FR2747408B1 (en) PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP
FR2754550B1 (en) PROCESS FOR THE DELIGNIFICATION AND / OR BLEACHING OF A PULP
FR2768442B1 (en) PROCESS FOR BLEACHING A PULP WITH OZONE AND CHLORINE DIOXIDE
ZA911062B (en) Bleaching of paper pulp
FR2576930B1 (en) PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF CHEMICAL OR SEMI-CHEMICAL PAPER PULP
FI965216L (en) Method for bleaching high-consistency lignocellulosic pulp
ZA924021B (en) Process for the bleaching and delignification of chemical paper pulps and application of this process to the bleaching and delignification of kraft pulps and of asam pulps
ZA941468B (en) Process for the delignification of a chemical paper pulp
FI951533L (en) Improved bleaching of high-consistency lignocellulosic pulp
ZA991903B (en) Process for the bleaching and/or delignification of paper pulps.
FR2747406B1 (en) PROCESS FOR DELIGNIFYING PAPER PULP TO OXYGEN
EP0681625A4 (en) IMPROVED PROCESS AND COMPOSITION FOR DELIGNIFICATION OF A LIGNOCELLULOSIC MATERIAL.

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080630