FR2093715A5 - - Google Patents

Info

Publication number
FR2093715A5
FR2093715A5 FR7118898A FR7118898A FR2093715A5 FR 2093715 A5 FR2093715 A5 FR 2093715A5 FR 7118898 A FR7118898 A FR 7118898A FR 7118898 A FR7118898 A FR 7118898A FR 2093715 A5 FR2093715 A5 FR 2093715A5
Authority
FR
France
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
FR7118898A
Other languages
French (fr)
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.)
International Paper Co
Original Assignee
International Paper Co
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 International Paper Co filed Critical International Paper Co
Application granted granted Critical
Publication of FR2093715A5 publication Critical patent/FR2093715A5/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
    • 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)
FR7118898A 1970-05-25 1971-05-25 Expired FR2093715A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4040370A 1970-05-25 1970-05-25

Publications (1)

Publication Number Publication Date
FR2093715A5 true FR2093715A5 (en) 1972-01-28

Family

ID=21910795

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7118898A Expired FR2093715A5 (en) 1970-05-25 1971-05-25

Country Status (7)

Country Link
US (1) US3720577A (en)
JP (1) JPS5411402B1 (en)
CA (1) CA939854A (en)
DE (1) DE2124324C3 (en)
FI (1) FI54620C (en)
FR (1) FR2093715A5 (en)
SE (1) SE375564B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000065148A1 (en) * 1999-04-27 2000-11-02 Aracruz Celulose S.A. Process for bleaching chemical pulps with low organic halogen compounds content

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2219505C3 (en) * 1972-04-21 1974-10-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Chlorine-free multi-stage bleaching of cellulose
CA989112A (en) * 1972-05-30 1976-05-18 Pulp And Paper Research Institute Of Canada Bleaching of textiles with chlorine monoxide
DE3923728A1 (en) * 1989-07-18 1991-01-24 Degussa METHOD FOR STABILIZING THE VISCOSITY OF CELLS
SE9000340L (en) * 1990-01-31 1991-08-01 Eka Nobel Ab PROCEDURES FOR BLACKING OF LIGNOCELLULOSALLY MATERIAL
US20080087390A1 (en) * 2006-10-11 2008-04-17 Fort James Corporation Multi-step pulp bleaching
US8845860B2 (en) 2010-09-16 2014-09-30 Georgia-Pacific Consumer Products Lp High brightness pulps from lignin rich waste papers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000065148A1 (en) * 1999-04-27 2000-11-02 Aracruz Celulose S.A. Process for bleaching chemical pulps with low organic halogen compounds content

Also Published As

Publication number Publication date
DE2124324B2 (en) 1979-08-30
DE2124324C3 (en) 1980-05-08
FI54620C (en) 1979-01-10
JPS5411402B1 (en) 1979-05-15
SE375564B (en) 1975-04-21
FI54620B (en) 1978-09-29
US3720577A (en) 1973-03-13
DE2124324A1 (en) 1971-12-09
CA939854A (en) 1974-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse