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FR2494735B1 - Procede pour augmenter le volume specifique d'une matiere elaboree a base de vieux papiers lors de sa fabrication - Google Patents

Procede pour augmenter le volume specifique d'une matiere elaboree a base de vieux papiers lors de sa fabrication

Info

Publication number
FR2494735B1
FR2494735B1 FR8121947A FR8121947A FR2494735B1 FR 2494735 B1 FR2494735 B1 FR 2494735B1 FR 8121947 A FR8121947 A FR 8121947A FR 8121947 A FR8121947 A FR 8121947A FR 2494735 B1 FR2494735 B1 FR 2494735B1
Authority
FR
France
Prior art keywords
manufacture
increasing
material based
specific volume
papers during
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
FR8121947A
Other languages
English (en)
Other versions
FR2494735A1 (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.)
Sulzer Escher Wyss GmbH
Original Assignee
Escher Wyss GmbH
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 Escher Wyss GmbH filed Critical Escher Wyss GmbH
Publication of FR2494735A1 publication Critical patent/FR2494735A1/fr
Application granted granted Critical
Publication of FR2494735B1 publication Critical patent/FR2494735B1/fr
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/32Defibrating by other means of waste paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14Secondary fibres
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
FR8121947A 1980-11-25 1981-11-24 Procede pour augmenter le volume specifique d'une matiere elaboree a base de vieux papiers lors de sa fabrication Expired FR2494735B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH8698/80A CH649330A5 (en) 1980-11-25 1980-11-25 Process for increasing the specific volume in the reprocessing of waste paper pulp

Publications (2)

Publication Number Publication Date
FR2494735A1 FR2494735A1 (fr) 1982-05-28
FR2494735B1 true FR2494735B1 (fr) 1985-11-15

Family

ID=4343676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121947A Expired FR2494735B1 (fr) 1980-11-25 1981-11-24 Procede pour augmenter le volume specifique d'une matiere elaboree a base de vieux papiers lors de sa fabrication

Country Status (5)

Country Link
AT (1) AT378014B (fr)
CH (1) CH649330A5 (fr)
DE (1) DE3047017C2 (fr)
FR (1) FR2494735B1 (fr)
IT (1) IT1140292B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3510214A1 (de) * 1985-03-21 1986-09-25 J.M. Voith Gmbh, 7920 Heidenheim Verfahren zur aufbereitung von altpapier
DE3728890C1 (de) * 1987-08-29 1988-07-14 Escher Wyss Gmbh Verfahren zur Regelung der spezifischen Dispergierarbeit
DE3827336A1 (de) * 1988-08-12 1990-02-15 Escher Wyss Gmbh Verfahren zur behandlung der kurzfaserfraktion nach abtrennen der langfaserfraktion aus einem sekundaerfasergemisch, insbesondere zur herstellung von faltschachtelkartons
US5501768A (en) * 1992-04-17 1996-03-26 Kimberly-Clark Corporation Method of treating papermaking fibers for making tissue
US5348620A (en) * 1992-04-17 1994-09-20 Kimberly-Clark Corporation Method of treating papermaking fibers for making tissue
DE19845513A1 (de) * 1998-10-02 2000-04-06 Voith Sulzer Papiertech Patent Verfahren zur Abtötung von Keimen in papierfaserhaltigem Material sowie Vorrichtungen zur Durchführung des Verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1473875A (fr) * 1965-08-20 1967-03-24 Procédé et installation pour désagréger les fibres de papier à la cuve
CH574538A5 (fr) * 1974-02-26 1976-04-15 Escher Wyss Gmbh
CA1054416A (fr) * 1976-10-18 1979-05-15 Domtar Inc. Methode et materiel pour annuler les caracteristiques latentes de la pate mecanique

Also Published As

Publication number Publication date
IT8125239A0 (it) 1981-11-24
IT1140292B (it) 1986-09-24
CH649330A5 (en) 1985-05-15
ATA585280A (de) 1984-01-15
DE3047017C2 (de) 1984-08-09
FR2494735A1 (fr) 1982-05-28
DE3047017A1 (de) 1982-07-22
AT378014B (de) 1985-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse