CA939854A - Chlorine dioxide-peracetic acid-chlorine dioxide pulp bleaching sequence - Google Patents

Chlorine dioxide-peracetic acid-chlorine dioxide pulp bleaching sequence

Info

Publication number
CA939854A
CA939854A CA100,405A CA100405A CA939854A CA 939854 A CA939854 A CA 939854A CA 100405 A CA100405 A CA 100405A CA 939854 A CA939854 A CA 939854A
Authority
CA
Canada
Prior art keywords
chlorine dioxide
peracetic acid
pulp bleaching
bleaching sequence
sequence
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
CA100,405A
Inventor
Sunanda K. Roymoulik
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 CA939854A publication Critical patent/CA939854A/en
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
CA100,405A 1970-05-25 1970-12-11 Chlorine dioxide-peracetic acid-chlorine dioxide pulp bleaching sequence Expired CA939854A (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
CA939854A true CA939854A (en) 1974-01-15

Family

ID=21910795

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100,405A Expired CA939854A (en) 1970-05-25 1970-12-11 Chlorine dioxide-peracetic acid-chlorine dioxide pulp bleaching sequence

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)

Families Citing this family (7)

* 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
BR9901291B1 (en) * 1999-04-27 2011-11-01 process for bleaching low consistency chemical pulps.
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

Also Published As

Publication number Publication date
DE2124324A1 (en) 1971-12-09
FR2093715A5 (en) 1972-01-28
FI54620B (en) 1978-09-29
US3720577A (en) 1973-03-13
JPS5411402B1 (en) 1979-05-15
DE2124324B2 (en) 1979-08-30
SE375564B (en) 1975-04-21
DE2124324C3 (en) 1980-05-08
FI54620C (en) 1979-01-10

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