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FR1465295A - Bleaching of crude fibrous cellulose pulp - Google Patents

Bleaching of crude fibrous cellulose pulp

Info

Publication number
FR1465295A
FR1465295A FR47097A FR47097A FR1465295A FR 1465295 A FR1465295 A FR 1465295A FR 47097 A FR47097 A FR 47097A FR 47097 A FR47097 A FR 47097A FR 1465295 A FR1465295 A FR 1465295A
Authority
FR
France
Prior art keywords
bleaching
cellulose pulp
fibrous cellulose
crude fibrous
crude
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
FR47097A
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.)
Electric Reduction Company of Canada Ltd
Original Assignee
Electric Reduction Company of Canada Ltd
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 Electric Reduction Company of Canada Ltd filed Critical Electric Reduction Company of Canada Ltd
Application granted granted Critical
Publication of FR1465295A publication Critical patent/FR1465295A/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
    • D21C9/1026—Other features in bleaching processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR47097A 1965-01-25 1966-01-25 Bleaching of crude fibrous cellulose pulp Expired FR1465295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB313165A GB1106842A (en) 1965-01-25 1965-01-25 Manufacture of cellulosic pulp

Publications (1)

Publication Number Publication Date
FR1465295A true FR1465295A (en) 1967-01-06

Family

ID=9752518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR47097A Expired FR1465295A (en) 1965-01-25 1966-01-25 Bleaching of crude fibrous cellulose pulp

Country Status (8)

Country Link
AT (1) AT257341B (en)
BE (1) BE675491A (en)
CH (1) CH438913A (en)
ES (1) ES322173A1 (en)
FR (1) FR1465295A (en)
GB (1) GB1106842A (en)
NL (1) NL6600872A (en)
SE (1) SE315486B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2446354A1 (en) * 1979-01-11 1980-08-08 Weyerhaeuser Co Wood pulp washing process - for reducing transfer of chemicals between processing operations (SW 11.8.80)
FR2537177A1 (en) * 1982-09-14 1984-06-08 Sca Development Ab Peroxide-bleaching of cellulose pulp obtd. in high yield

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2049165B1 (en) * 1990-08-10 1994-10-16 Whites Martins Gases Ind S A PROCEDURE FOR PRE-WHITENING OR DE-LIGNIFICATION OF KRAFT PASTA USING OXYGEN.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2446354A1 (en) * 1979-01-11 1980-08-08 Weyerhaeuser Co Wood pulp washing process - for reducing transfer of chemicals between processing operations (SW 11.8.80)
FR2537177A1 (en) * 1982-09-14 1984-06-08 Sca Development Ab Peroxide-bleaching of cellulose pulp obtd. in high yield

Also Published As

Publication number Publication date
AT257341B (en) 1967-10-10
BE675491A (en) 1966-05-16
NL6600872A (en) 1966-07-26
SE315486B (en) 1969-09-29
ES322173A1 (en) 1966-11-01
GB1106842A (en) 1968-03-20
CH438913A (en) 1967-06-30

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