CA939855A - Oxygen-peracetic acid-chlorine dioxide pulp bleaching sequence - Google Patents

Oxygen-peracetic acid-chlorine dioxide pulp bleaching sequence

Info

Publication number
CA939855A
CA939855A CA100,406A CA100406A CA939855A CA 939855 A CA939855 A CA 939855A CA 100406 A CA100406 A CA 100406A CA 939855 A CA939855 A CA 939855A
Authority
CA
Canada
Prior art keywords
oxygen
chlorine dioxide
peracetic acid
pulp bleaching
bleaching 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
CA100,406A
Other languages
English (en)
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 CA939855A publication Critical patent/CA939855A/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA100,406A 1970-05-25 1970-12-11 Oxygen-peracetic acid-chlorine dioxide pulp bleaching sequence Expired CA939855A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4040470A 1970-05-25 1970-05-25

Publications (1)

Publication Number Publication Date
CA939855A true CA939855A (en) 1974-01-15

Family

ID=21910799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100,406A Expired CA939855A (en) 1970-05-25 1970-12-11 Oxygen-peracetic acid-chlorine dioxide pulp bleaching sequence

Country Status (7)

Country Link
US (1) US3695995A (fi)
JP (1) JPS5510714B1 (fi)
CA (1) CA939855A (fi)
DE (1) DE2124325C3 (fi)
FI (1) FI59432C (fi)
FR (1) FR2095038A5 (fi)
SE (1) SE375565C (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378016B (de) * 1982-12-02 1985-06-10 Ver Edelstahlwerke Ag Verfahren zum entfaerben und/oder bleichen von zellulosematerial, insbesondere zellstoff, und vorrichtung zur durchfuehrung des verfahrens
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
SE375565C (sv) 1984-07-16
JPS5510714B1 (fi) 1980-03-18
US3695995A (en) 1972-10-03
FR2095038A5 (fi) 1972-02-04
DE2124325B2 (de) 1979-09-27
FI59432C (fi) 1981-08-10
FI59432B (fi) 1981-04-30
DE2124325A1 (de) 1971-12-09
SE375565B (fi) 1975-04-21
DE2124325C3 (de) 1980-06-19

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