FR432552A - Improvements in the bleaching of vegetable fibers, vegetable pulps and their equivalents - Google Patents

Improvements in the bleaching of vegetable fibers, vegetable pulps and their equivalents

Info

Publication number
FR432552A
FR432552A FR432552DA FR432552A FR 432552 A FR432552 A FR 432552A FR 432552D A FR432552D A FR 432552DA FR 432552 A FR432552 A FR 432552A
Authority
FR
France
Prior art keywords
vegetable
bleaching
equivalents
pulps
fibers
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
Other languages
French (fr)
Inventor
Claude-Achilles Meygret
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.)
CLAUDE-ACHILLES MEYGRET
Original Assignee
CLAUDE-ACHILLES MEYGRET
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 CLAUDE-ACHILLES MEYGRET filed Critical CLAUDE-ACHILLES MEYGRET
Application granted granted Critical
Publication of FR432552A publication Critical patent/FR432552A/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
FR432552D 1911-07-25 1911-07-25 Improvements in the bleaching of vegetable fibers, vegetable pulps and their equivalents Expired FR432552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR432552T 1911-07-25

Publications (1)

Publication Number Publication Date
FR432552A true FR432552A (en) 1911-12-09

Family

ID=1474622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR432552D Expired FR432552A (en) 1911-07-25 1911-07-25 Improvements in the bleaching of vegetable fibers, vegetable pulps and their equivalents

Country Status (1)

Country Link
FR (1) FR432552A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466633A (en) * 1948-05-26 1949-04-05 James M Daily Method of bleaching cellulosic pulp
US4216054A (en) 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
FR2505377A1 (en) * 1981-05-09 1982-11-12 Mannesmann Ag PROCESS FOR THE BLEACHING OF CHEMICALLY MANUFACTURED CELLULOSE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2466633A (en) * 1948-05-26 1949-04-05 James M Daily Method of bleaching cellulosic pulp
US4216054A (en) 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
FR2505377A1 (en) * 1981-05-09 1982-11-12 Mannesmann Ag PROCESS FOR THE BLEACHING OF CHEMICALLY MANUFACTURED CELLULOSE

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