FR895730A - Process for removing or preventing the formation of fungi and moisture stains in mid-pulps and finished products in the paper, cardboard and cellulose industry - Google Patents

Process for removing or preventing the formation of fungi and moisture stains in mid-pulps and finished products in the paper, cardboard and cellulose industry

Info

Publication number
FR895730A
FR895730A FR895730DA FR895730A FR 895730 A FR895730 A FR 895730A FR 895730D A FR895730D A FR 895730DA FR 895730 A FR895730 A FR 895730A
Authority
FR
France
Prior art keywords
pulps
cardboard
fungi
mid
paper
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)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR895730A publication Critical patent/FR895730A/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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR895730D 1942-12-09 1943-06-19 Process for removing or preventing the formation of fungi and moisture stains in mid-pulps and finished products in the paper, cardboard and cellulose industry Expired FR895730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE895730X 1942-12-09

Publications (1)

Publication Number Publication Date
FR895730A true FR895730A (en) 1945-02-01

Family

ID=6847839

Family Applications (1)

Application Number Title Priority Date Filing Date
FR895730D Expired FR895730A (en) 1942-12-09 1943-06-19 Process for removing or preventing the formation of fungi and moisture stains in mid-pulps and finished products in the paper, cardboard and cellulose industry

Country Status (2)

Country Link
BE (1) BE450336A (en)
FR (1) FR895730A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357684A1 (en) * 1976-03-12 1978-02-03 Interox Disinfecting old or waste paper for recycle - by adding hydrogen peroxide during pulping
DE2905936B1 (en) * 1979-02-16 1980-04-30 Degussa Process for lightening and deodorising sulfate pulp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2357684A1 (en) * 1976-03-12 1978-02-03 Interox Disinfecting old or waste paper for recycle - by adding hydrogen peroxide during pulping
DE2905936B1 (en) * 1979-02-16 1980-04-30 Degussa Process for lightening and deodorising sulfate pulp

Also Published As

Publication number Publication date
BE450336A (en) 1943-05-31

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