CA975111A - Bleaching cellulosic pulp - Google Patents

Bleaching cellulosic pulp

Info

Publication number
CA975111A
CA975111A CA130,453A CA130453A CA975111A CA 975111 A CA975111 A CA 975111A CA 130453 A CA130453 A CA 130453A CA 975111 A CA975111 A CA 975111A
Authority
CA
Canada
Prior art keywords
cellulosic pulp
bleaching cellulosic
bleaching
pulp
cellulosic
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
CA130,453A
Inventor
Ralph J. Gall
Frederick H. Thompson
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.)
Occidental Chemical Corp
Original Assignee
Hooker Chemicals and Plastics Corp
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 Hooker Chemicals and Plastics Corp filed Critical Hooker Chemicals and Plastics Corp
Application granted granted Critical
Publication of CA975111A publication Critical patent/CA975111A/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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA130,453A 1971-01-22 1971-12-17 Bleaching cellulosic pulp Expired CA975111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10899571A 1971-01-22 1971-01-22

Publications (1)

Publication Number Publication Date
CA975111A true CA975111A (en) 1975-09-30

Family

ID=22325250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA130,453A Expired CA975111A (en) 1971-01-22 1971-12-17 Bleaching cellulosic pulp

Country Status (12)

Country Link
JP (1) JPS5020601B1 (en)
AU (1) AU458729B2 (en)
BR (1) BR7200385D0 (en)
CA (1) CA975111A (en)
DE (1) DE2202662A1 (en)
ES (1) ES399036A1 (en)
FR (1) FR2122963A5 (en)
IT (1) IT946779B (en)
NL (1) NL7200822A (en)
SE (1) SE390991B (en)
SU (1) SU605555A3 (en)
ZA (1) ZA718559B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI884507A (en) * 1987-10-05 1989-04-06 Champion Int Corp FOERMINSKNING AV FAERG I PAPPERSFABRIKSAVFALLSVATTEN GENOM OXIDERING MED KLORDIOXID.

Also Published As

Publication number Publication date
SU605555A3 (en) 1978-04-30
ZA718559B (en) 1972-09-27
NL7200822A (en) 1972-07-25
JPS5020601B1 (en) 1975-07-16
SE390991B (en) 1977-01-31
AU458729B2 (en) 1975-03-06
IT946779B (en) 1973-05-21
ES399036A1 (en) 1975-06-01
FR2122963A5 (en) 1972-09-01
BR7200385D0 (en) 1973-07-17
AU3726571A (en) 1973-06-28
DE2202662A1 (en) 1972-08-03

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