FI790414A - Foerfarande foer aoterberedning av hoegvaerdigt avfallspapper - Google Patents

Foerfarande foer aoterberedning av hoegvaerdigt avfallspapper

Info

Publication number
FI790414A
FI790414A FI790414A FI790414A FI790414A FI 790414 A FI790414 A FI 790414A FI 790414 A FI790414 A FI 790414A FI 790414 A FI790414 A FI 790414A FI 790414 A FI790414 A FI 790414A
Authority
FI
Finland
Prior art keywords
hoegvaerdigt
avfallspapper
aoterberedning
foerfarande foer
foerfarande
Prior art date
Application number
FI790414A
Other languages
English (en)
Other versions
FI68094C (fi
FI68094B (fi
Inventor
Lothar Pfalzer
Siegbert Fischer
Eberhard Mauer
Original Assignee
Voith Gmbh J M
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 Voith Gmbh J M filed Critical Voith Gmbh J M
Publication of FI790414A publication Critical patent/FI790414A/fi
Application granted granted Critical
Publication of FI68094B publication Critical patent/FI68094B/fi
Publication of FI68094C publication Critical patent/FI68094C/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)
FI790414A 1978-02-09 1979-02-07 Foerfarande foer aoterupparbetning av hoegvaerdigt avfallspapper FI68094C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2805445A DE2805445C2 (de) 1978-02-09 1978-02-09 Verfahren zur Wiederaufbereitung von hochwertigem Altpapier
DE2805445 1978-02-09

Publications (3)

Publication Number Publication Date
FI790414A true FI790414A (fi) 1979-08-10
FI68094B FI68094B (fi) 1985-03-29
FI68094C FI68094C (fi) 1985-07-10

Family

ID=6031530

Family Applications (1)

Application Number Title Priority Date Filing Date
FI790414A FI68094C (fi) 1978-02-09 1979-02-07 Foerfarande foer aoterupparbetning av hoegvaerdigt avfallspapper

Country Status (8)

Country Link
AT (1) AT367116B (fi)
DE (1) DE2805445C2 (fi)
ES (1) ES477183A1 (fi)
FI (1) FI68094C (fi)
FR (1) FR2416975A1 (fi)
GB (1) GB2014209B (fi)
IT (1) IT1110272B (fi)
SE (1) SE447493B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947862C2 (de) * 1979-11-28 1982-04-01 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und Anlage zur Herstellung einer Faserstoffsuspension aus Altpapier
DE3305131A1 (de) * 1983-02-15 1984-08-16 Degussa Ag, 6000 Frankfurt Verfahren zum entfaerben von altpapier
US5211809A (en) * 1991-05-21 1993-05-18 Air Products And Chemicals, Inc,. Dye removal in oxygen color stripping of secondary fibers
SE501309C2 (sv) * 1993-05-28 1995-01-09 Klippans Finpappersbruk Ab Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ
US6001218A (en) 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers

Also Published As

Publication number Publication date
GB2014209B (en) 1983-01-12
FR2416975A1 (fr) 1979-09-07
FI68094C (fi) 1985-07-10
ES477183A1 (es) 1979-07-16
IT1110272B (it) 1985-12-23
DE2805445C2 (de) 1979-06-07
GB2014209A (en) 1979-08-22
SE7901031L (sv) 1979-08-10
AT367116B (de) 1982-06-11
SE447493B (sv) 1986-11-17
DE2805445B1 (de) 1978-09-28
ATA867778A (de) 1981-10-15
IT7919954A0 (it) 1979-02-07
FR2416975B3 (fi) 1981-12-11
FI68094B (fi) 1985-03-29

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: J.M. VOITH GMBH