IT1140292B - Procedimento per aumentare il volume specifico nella preparazione di un impasto di cartaccia - Google Patents

Procedimento per aumentare il volume specifico nella preparazione di un impasto di cartaccia

Info

Publication number
IT1140292B
IT1140292B IT2523981A IT2523981A IT1140292B IT 1140292 B IT1140292 B IT 1140292B IT 2523981 A IT2523981 A IT 2523981A IT 2523981 A IT2523981 A IT 2523981A IT 1140292 B IT1140292 B IT 1140292B
Authority
IT
Italy
Prior art keywords
cartaccia
procedure
mixture
preparation
increase
Prior art date
Application number
IT2523981A
Other languages
English (en)
Italian (it)
Other versions
IT8125239A0 (it
Inventor
Erich Linck
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 IT8125239A0 publication Critical patent/IT8125239A0/it
Application granted granted Critical
Publication of IT1140292B publication Critical patent/IT1140292B/it

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
IT2523981A 1980-11-25 1981-11-24 Procedimento per aumentare il volume specifico nella preparazione di un impasto di cartaccia IT1140292B (it)

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
IT8125239A0 IT8125239A0 (it) 1981-11-24
IT1140292B true IT1140292B (it) 1986-09-24

Family

ID=4343676

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2523981A IT1140292B (it) 1980-11-25 1981-11-24 Procedimento per aumentare il volume specifico nella preparazione di un impasto di cartaccia

Country Status (5)

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

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 (de) * 1974-02-26 1976-04-15 Escher Wyss Gmbh
CA1054416A (en) * 1976-10-18 1979-05-15 Domtar Inc. Method and apparatus for liberating the latent properties of a mechanical pulp

Also Published As

Publication number Publication date
ATA585280A (de) 1984-01-15
IT8125239A0 (it) 1981-11-24
AT378014B (de) 1985-06-10
CH649330A5 (en) 1985-05-15
DE3047017A1 (de) 1982-07-22
FR2494735A1 (fr) 1982-05-28
FR2494735B1 (fr) 1985-11-15
DE3047017C2 (de) 1984-08-09

Similar Documents

Publication Publication Date Title
EG13747A (en) Method of preparation pyrimidones
GB2042507B (en) Preparation of fluoronitrobenzenes
DE3377127D1 (en) Process for the preparation of astaxanthine and intermediates in the astaxanthine synthesis
DE2965677D1 (en) Preparation of benzaldehyde dialkyl acetals substituted in the 4-position
GB2034585B (en) Production of aldehyde-treated allergen-containing substances
GB2137224B (en) Preparation of meta-diisopropylbenzene
PH21751A (en) Intermediates used in the process for the preparation of alpha-sulfonyloxyketone acetal
GB2073735B (en) Preparation of tertiary amines
ZA812789B (en) Preparation of mercapto-alcohols
PT74090B (en) Process for the preparation of substituted benzamides and phar-maceutical compositions containing them
GB2082570B (en) Preparation of perfluorosuccinyl fluoride
IT8125239A0 (it) Di un impasto di cartaccia. procedimento per aumentare il volume specifico nella preparazione
GB2013747B (en) Manufacture of fibreboard
JPS5780486A (en) Manufacture of methanol-higher alcohol mixture
JPS5785883A (en) Preparation of well fluid
JPS5765196A (en) Preparation of l-isoleucine
JPS54120914A (en) Preparation of nonnslip painting stageeboard
IL64954A (en) 2-hydroxymethyl-3-hydroxy-pyridine derivatives useful as intermediates in the preparation of pirobuterol
AU539801B2 (en) Intermediates in the preparation of 2-guanidino-4- heteroarylthiazoles
JPS5542828A (en) Preparation of plywood
DE3169710D1 (en) Mixture of dyestuffs
IL61831A0 (en) Preparation of halogenoalkenes
JPS5318560A (en) Preparation of isoindole
JPS55121001A (en) Preparation of veneer
JPS5542814A (en) Preparation of laminate