IT1125398B - METHOD FOR THE USE OF WASTE WHICH ORIGINATE FROM THE FRACTIONATION OF WASTE PAPER IN THE MANUFACTURE OF PAPER - Google Patents

METHOD FOR THE USE OF WASTE WHICH ORIGINATE FROM THE FRACTIONATION OF WASTE PAPER IN THE MANUFACTURE OF PAPER

Info

Publication number
IT1125398B
IT1125398B IT2396479A IT2396479A IT1125398B IT 1125398 B IT1125398 B IT 1125398B IT 2396479 A IT2396479 A IT 2396479A IT 2396479 A IT2396479 A IT 2396479A IT 1125398 B IT1125398 B IT 1125398B
Authority
IT
Italy
Prior art keywords
waste
paper
fractionation
originate
manufacture
Prior art date
Application number
IT2396479A
Other languages
Italian (it)
Other versions
IT7923964A0 (en
Original Assignee
Vyzk Ustav Papieru Celulozy
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 Vyzk Ustav Papieru Celulozy filed Critical Vyzk Ustav Papieru Celulozy
Publication of IT7923964A0 publication Critical patent/IT7923964A0/en
Application granted granted Critical
Publication of IT1125398B publication Critical patent/IT1125398B/en

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
    • 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
    • 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)
IT2396479A 1978-12-06 1979-06-28 METHOD FOR THE USE OF WASTE WHICH ORIGINATE FROM THE FRACTIONATION OF WASTE PAPER IN THE MANUFACTURE OF PAPER IT1125398B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS788056A CS220858B1 (en) 1978-12-06 1978-12-06 Method of treating the waste paper

Publications (2)

Publication Number Publication Date
IT7923964A0 IT7923964A0 (en) 1979-06-28
IT1125398B true IT1125398B (en) 1986-05-14

Family

ID=5430642

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2396479A IT1125398B (en) 1978-12-06 1979-06-28 METHOD FOR THE USE OF WASTE WHICH ORIGINATE FROM THE FRACTIONATION OF WASTE PAPER IN THE MANUFACTURE OF PAPER

Country Status (9)

Country Link
JP (1) JPS5580588A (en)
CS (1) CS220858B1 (en)
DD (1) DD145293A1 (en)
DE (1) DE2926185A1 (en)
ES (1) ES483485A1 (en)
FR (1) FR2443528A1 (en)
GB (1) GB2037340A (en)
IT (1) IT1125398B (en)
NL (1) NL7904845A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536337C1 (en) * 1985-10-11 1987-05-27 Voith Gmbh J M Process and device for stock preparation for ash-containing raw material in waste paper processing
EP0582042A1 (en) * 1992-07-23 1994-02-09 J.M. Voith GmbH Process for modifying the properties of deinked waste paper pulps, especially the fiber classification and installation for carrying out the process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2331455A (en) * 1937-06-09 1943-10-12 Cowles Co Process for the preparation of paper stock
SE7613057L (en) * 1976-03-17 1977-09-18 Black Clawson Co SETS AND APPARATUS FOR RECYCLING PAPER FIBERS FROM WASTE MATERIAL CONTAINING PAPER
DE2759113C2 (en) * 1977-12-30 1979-05-17 J.M. Voith Gmbh, 7920 Heidenheim Process and system for processing waste paper
DE2836186C2 (en) * 1978-08-18 1980-02-07 J.M. Voith Gmbh, 7920 Heidenheim Process and device for ash removal from pulp suspensions in waste paper processing
US4676910A (en) * 1986-08-11 1987-06-30 Nalco Chemical Company Means of controlling precipitation of Na2 SO4 from solutions of NaHSO3 oxygen scavengers

Also Published As

Publication number Publication date
CS220858B1 (en) 1983-04-29
IT7923964A0 (en) 1979-06-28
ES483485A1 (en) 1980-03-01
GB2037340A (en) 1980-07-09
DD145293A1 (en) 1980-12-03
NL7904845A (en) 1980-06-10
FR2443528A1 (en) 1980-07-04
DE2926185A1 (en) 1980-06-26
JPS5580588A (en) 1980-06-17

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