ATE132771T1 - Verfahren für die elektrische trennung von kunststoffpartikeln in lösungen, insbesondere in lösungen von zellulose und papierfasern - Google Patents

Verfahren für die elektrische trennung von kunststoffpartikeln in lösungen, insbesondere in lösungen von zellulose und papierfasern

Info

Publication number
ATE132771T1
ATE132771T1 AT90108377T AT90108377T ATE132771T1 AT E132771 T1 ATE132771 T1 AT E132771T1 AT 90108377 T AT90108377 T AT 90108377T AT 90108377 T AT90108377 T AT 90108377T AT E132771 T1 ATE132771 T1 AT E132771T1
Authority
AT
Austria
Prior art keywords
solutions
plastic particles
cellulose
paper fibers
electrical separation
Prior art date
Application number
AT90108377T
Other languages
English (en)
Inventor
Martti Pulliainen
Markku Ainali
Hannu Savisalo
Original Assignee
Savcor Consulting Oy
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
Priority claimed from FI885180A external-priority patent/FI81393C/fi
Application filed by Savcor Consulting Oy filed Critical Savcor Consulting Oy
Application granted granted Critical
Publication of ATE132771T1 publication Critical patent/ATE132771T1/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D57/00—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C
    • B01D57/02—Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C by electrophoresis
    • 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
    • D21B1/322—Defibrating by other means of waste paper coated with synthetic materials
    • 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)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • Electrostatic Separation (AREA)
AT90108377T 1988-11-10 1990-05-03 Verfahren für die elektrische trennung von kunststoffpartikeln in lösungen, insbesondere in lösungen von zellulose und papierfasern ATE132771T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI885180A FI81393C (fi) 1988-11-10 1988-11-10 Foerfarande och anordning foer avskiljning av plastpartiklar pao elektrisk vaeg ur loesningar, saerskilt cellulosa- och pappersfiberloesningar.
CA 2016365 CA2016365C (en) 1988-11-10 1990-05-09 Procedure and means for separating plastic particles electrically from solutions in particular from cellulose and paper fibre solutions

Publications (1)

Publication Number Publication Date
ATE132771T1 true ATE132771T1 (de) 1996-01-15

Family

ID=25674126

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90108377T ATE132771T1 (de) 1988-11-10 1990-05-03 Verfahren für die elektrische trennung von kunststoffpartikeln in lösungen, insbesondere in lösungen von zellulose und papierfasern

Country Status (5)

Country Link
US (1) US5062932A (de)
EP (1) EP0454887B1 (de)
AT (1) ATE132771T1 (de)
CA (1) CA2016365C (de)
DE (1) DE69024787T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0486631A1 (de) * 1990-05-10 1992-05-27 Savcor-Consulting Oy Verfahren und vorrichtung zur trennung von kunststoffpartikeln aus suspensionen
US20170199309A1 (en) * 2016-01-12 2017-07-13 Optivision Technology Inc. Optical device and diffusion film

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5033238A (de) * 1973-07-23 1975-03-31
GB1525103A (en) * 1976-07-19 1978-09-20 Electricity Council Concentrating of polyvinylchloride emulsions
DE3227874A1 (de) * 1982-07-26 1984-01-26 Kali Und Salz Ag, 3500 Kassel Verfahren zur elektrostatischen trennung von papier und kunststoff enthaltenden zerkleinerten gemengen
FR2561129B1 (fr) * 1984-03-13 1988-12-09 Socea Balency Procede et dispositif de separation de bacteries a partir d'une phase liquide en vue notamment d'un controle bacteriologique
US4671860A (en) * 1985-11-29 1987-06-09 The B. F. Goodrich Company Low energy dewatering of dispersed particle latexes by electrofiltration

Also Published As

Publication number Publication date
US5062932A (en) 1991-11-05
EP0454887A1 (de) 1991-11-06
CA2016365C (en) 1995-12-19
EP0454887B1 (de) 1996-01-10
CA2016365A1 (en) 1991-11-09
DE69024787D1 (de) 1996-02-22
DE69024787T2 (de) 1996-06-20

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties