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FR1249136A - Process for the treatment and homogenization of cellulosic materials - Google Patents

Process for the treatment and homogenization of cellulosic materials

Info

Publication number
FR1249136A
FR1249136A FR819482A FR819482A FR1249136A FR 1249136 A FR1249136 A FR 1249136A FR 819482 A FR819482 A FR 819482A FR 819482 A FR819482 A FR 819482A FR 1249136 A FR1249136 A FR 1249136A
Authority
FR
France
Prior art keywords
homogenization
treatment
cellulosic materials
cellulosic
materials
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
FR819482A
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.)
Phrix Werke AG
Original Assignee
Phrix Werke AG
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 Phrix Werke AG filed Critical Phrix Werke AG
Application granted granted Critical
Publication of FR1249136A publication Critical patent/FR1249136A/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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • 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)
FR819482A 1959-03-25 1960-02-24 Process for the treatment and homogenization of cellulosic materials Expired FR1249136A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP22480A DE1119106B (en) 1959-03-25 1959-03-25 Method for producing a synthetic fiber pulp from wood u. like

Publications (1)

Publication Number Publication Date
FR1249136A true FR1249136A (en) 1960-12-23

Family

ID=7368759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR819482A Expired FR1249136A (en) 1959-03-25 1960-02-24 Process for the treatment and homogenization of cellulosic materials

Country Status (2)

Country Link
DE (1) DE1119106B (en)
FR (1) FR1249136A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388934A1 (en) * 1977-04-27 1978-11-24 Myrens Verksted As Cellulose fibre-contg. paper-stock treatment - by subdividing into fractions of different fibre lengths and treating at least one fraction with ozone
FR2522030A1 (en) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries PROCESS FOR SELECTIVELY WHITENING PAPER PULP AND PAPER OBTAINED BY CARRYING OUT SAID METHOD

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1806421A (en) * 1927-07-20 1931-05-19 Brown Co Cellulose derivative manufacture
US1729629A (en) * 1927-08-05 1929-10-01 Brown Co Raw material for cellulose derivatives and process of preparation
US1951017A (en) * 1933-07-20 1934-03-13 Weyerhaeuser Timber Co Method of treating chemical pulf

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388934A1 (en) * 1977-04-27 1978-11-24 Myrens Verksted As Cellulose fibre-contg. paper-stock treatment - by subdividing into fractions of different fibre lengths and treating at least one fraction with ozone
FR2522030A1 (en) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries PROCESS FOR SELECTIVELY WHITENING PAPER PULP AND PAPER OBTAINED BY CARRYING OUT SAID METHOD

Also Published As

Publication number Publication date
DE1119106B (en) 1961-12-07

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