AT323549B - METHOD OF TREATMENT OF WASTE PAPER MATERIAL BEFORE FLOTATION FOR THE REGENERATION OF WASTE PAPER - Google Patents

METHOD OF TREATMENT OF WASTE PAPER MATERIAL BEFORE FLOTATION FOR THE REGENERATION OF WASTE PAPER

Info

Publication number
AT323549B
AT323549B AT73373A AT73373A AT323549B AT 323549 B AT323549 B AT 323549B AT 73373 A AT73373 A AT 73373A AT 73373 A AT73373 A AT 73373A AT 323549 B AT323549 B AT 323549B
Authority
AT
Austria
Prior art keywords
waste paper
regeneration
treatment
material before
before flotation
Prior art date
Application number
AT73373A
Other languages
German (de)
Original Assignee
Biberist Papierfab
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 Biberist Papierfab filed Critical Biberist Papierfab
Application granted granted Critical
Publication of AT323549B publication Critical patent/AT323549B/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
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • 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)
AT73373A 1972-01-28 1973-01-29 METHOD OF TREATMENT OF WASTE PAPER MATERIAL BEFORE FLOTATION FOR THE REGENERATION OF WASTE PAPER AT323549B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH128472A CH547914A (en) 1972-01-28 1972-01-28 FLOTATION PROCESS FOR THE REGENERATION OF WASTE PAPER.

Publications (1)

Publication Number Publication Date
AT323549B true AT323549B (en) 1975-07-10

Family

ID=4206823

Family Applications (1)

Application Number Title Priority Date Filing Date
AT73373A AT323549B (en) 1972-01-28 1973-01-29 METHOD OF TREATMENT OF WASTE PAPER MATERIAL BEFORE FLOTATION FOR THE REGENERATION OF WASTE PAPER

Country Status (2)

Country Link
AT (1) AT323549B (en)
CH (1) CH547914A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0615019A1 (en) * 1993-03-10 1994-09-14 Papierfabrik Utzenstorf Ag Papermaking process
EP0615020A1 (en) * 1993-03-10 1994-09-14 Papierfabrik Utzenstorf Ag Process for treating waste paper for papermaking

Also Published As

Publication number Publication date
DE2303827A1 (en) 1973-08-02
CH547914A (en) 1974-04-11
DE2303827B2 (en) 1975-09-18

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee