FR2562104B1 - Procede de preblanchiment de pate de cellulose - Google Patents

Procede de preblanchiment de pate de cellulose

Info

Publication number
FR2562104B1
FR2562104B1 FR8404893A FR8404893A FR2562104B1 FR 2562104 B1 FR2562104 B1 FR 2562104B1 FR 8404893 A FR8404893 A FR 8404893A FR 8404893 A FR8404893 A FR 8404893A FR 2562104 B1 FR2562104 B1 FR 2562104B1
Authority
FR
France
Prior art keywords
preblanchiment
cellulose paste
paste
cellulose
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
Application number
FR8404893A
Other languages
English (en)
Other versions
FR2562104A1 (fr
Inventor
Michel Granger
Michel Mellon
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.)
Air Liquide SA
Original Assignee
Air Liquide 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 Air Liquide SA filed Critical Air Liquide SA
Priority to FR8404893A priority Critical patent/FR2562104B1/fr
Publication of FR2562104A1 publication Critical patent/FR2562104A1/fr
Application granted granted Critical
Publication of FR2562104B1 publication Critical patent/FR2562104B1/fr
Expired 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR8404893A 1984-03-29 1984-03-29 Procede de preblanchiment de pate de cellulose Expired FR2562104B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8404893A FR2562104B1 (fr) 1984-03-29 1984-03-29 Procede de preblanchiment de pate de cellulose

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8404893A FR2562104B1 (fr) 1984-03-29 1984-03-29 Procede de preblanchiment de pate de cellulose

Publications (2)

Publication Number Publication Date
FR2562104A1 FR2562104A1 (fr) 1985-10-04
FR2562104B1 true FR2562104B1 (fr) 1986-06-27

Family

ID=9302585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8404893A Expired FR2562104B1 (fr) 1984-03-29 1984-03-29 Procede de preblanchiment de pate de cellulose

Country Status (1)

Country Link
FR (1) FR2562104B1 (fr)

Also Published As

Publication number Publication date
FR2562104A1 (fr) 1985-10-04

Similar Documents

Publication Publication Date Title
BE887023A (fr) Procede de blanchiment de pate cellulosique
FR2575198B1 (fr) Procede de fabrication de pate de cellulose
FR2560882B1 (fr) Procede pour la preparation de carbamate de cellulose
RO92931A (fr) Procede cyclique pour la preparation de la solution alcaline de carbamate de cellulose
FR2555575B1 (fr) Procede de preparation de 4-alcoxyanilines
FR2552081B1 (fr) Procede de preparation de prolines substituees
FR2567418B1 (fr) Procede de preparation de microcapsules
FR2537176B1 (fr) Procede de blanchiment par delignification de la pate cellulosique
FR2567542B1 (fr) Procede de
FR2562070B1 (fr) Procede de preparation de 2-amino-s-triazines
ES540424A0 (es) Procedimiento de preparacion de derivados del acido carbami-co
FR2571393B1 (fr) Procede de fabrication de pate de cellulose
FR2550190B1 (fr) Procede de preparation de b-phenylserine
PT74559B (fr) Procede de preparation de trifluoromethylphenyl-tetrahydropyri-dines substituees
FR2562896B1 (fr) Procede de preparation de derives de 3-exomethylenecephame
YU115385A (en) Process for obtaining derivatives of aminoeburnancarbonic acid
FR2562104B1 (fr) Procede de preblanchiment de pate de cellulose
FR2566776B1 (fr) Procede de preparation de metalloporphyrines
FR2569687B1 (fr) Procede de raffinage de tertio-butylstyrene
FR2574792B1 (fr) Procede pour la preparation de derives de pyrrolidine
FR2550790B1 (fr) Procede de preparation de la 4-methylionone
FR2569692B1 (fr) Procede de preparation de derives de guanidinothiazole
PT81139A (fr) Procede de preparation de nouveaux derives de (alcoxy-2) phenylpiperaziniques
MA20554A1 (fr) Procede de preparation de compositions de
FR2540108B1 (fr) Procede de preparation de perhalogenoalkylthioethers

Legal Events

Date Code Title Description
ST Notification of lapse