FI54819C - Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpapp - Google Patents

Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpapp

Info

Publication number
FI54819C
FI54819C FI295773A FI295773A FI54819C FI 54819 C FI54819 C FI 54819C FI 295773 A FI295773 A FI 295773A FI 295773 A FI295773 A FI 295773A FI 54819 C FI54819 C FI 54819C
Authority
FI
Finland
Prior art keywords
wellpapp
sulfatcellulosafiber
halvkemisk
aotervinning
separat
Prior art date
Application number
FI295773A
Other languages
English (en)
Finnish (fi)
Other versions
FI54819B (fi
Inventor
Fred Domenic Iannazzi
Original Assignee
Little Inc A
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 Little Inc A filed Critical Little Inc A
Application granted granted Critical
Publication of FI54819B publication Critical patent/FI54819B/fi
Publication of FI54819C publication Critical patent/FI54819C/fi

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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • 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
    • 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)
  • Processing Of Solid Wastes (AREA)
FI295773A 1972-09-25 1973-09-21 Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpapp FI54819C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29195072A 1972-09-25 1972-09-25

Publications (2)

Publication Number Publication Date
FI54819B FI54819B (fi) 1978-11-30
FI54819C true FI54819C (fi) 1979-03-12

Family

ID=23122560

Family Applications (1)

Application Number Title Priority Date Filing Date
FI295773A FI54819C (fi) 1972-09-25 1973-09-21 Foerfarande foer separat aotervinning av halvkemisk- och sulfatcellulosafiber ur wellpapp

Country Status (9)

Country Link
JP (1) JPS5146843B2 (ja)
BR (1) BR7307407D0 (ja)
CA (1) CA1018104A (ja)
ES (1) ES418659A1 (ja)
FI (1) FI54819C (ja)
FR (1) FR2200401B1 (ja)
GB (1) GB1432650A (ja)
IT (1) IT995480B (ja)
SE (1) SE401695B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941898A1 (de) * 1979-10-17 1981-04-30 Hermann Finckh, Maschinenfabrik GmbH & Co, 7417 Pfullingen Verfahren und einrichtung zum aufbereiten von altpapier
CA1127356A (en) * 1980-01-17 1982-07-13 Milos Stradal Method and apparatus for preconditioning laminated paper for recycling
FR2522030A1 (fr) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede
GB0316574D0 (en) * 2003-07-16 2003-08-20 Univ Wales Recycling of wood based panels
US20060254731A1 (en) * 2003-07-16 2006-11-16 Fira International Limited Recycling of lignocellulose based board materials

Also Published As

Publication number Publication date
ES418659A1 (es) 1976-02-16
JPS4969903A (ja) 1974-07-06
BR7307407D0 (pt) 1974-09-05
SE401695B (sv) 1978-05-22
FR2200401B1 (ja) 1976-11-19
FR2200401A1 (ja) 1974-04-19
DE2348146A1 (de) 1974-04-04
SE7312747L (ja) 1974-03-26
CA1018104A (en) 1977-09-27
DE2348146B2 (de) 1977-03-10
IT995480B (it) 1975-11-10
FI54819B (fi) 1978-11-30
JPS5146843B2 (ja) 1976-12-11
GB1432650A (en) 1976-04-22

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