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 papierfasernInfo
- 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
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)
- Paper (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Electrostatic Separation (AREA)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5290401A (en) * | 1990-05-10 | 1994-03-01 | Savcor-Consulting Oy | Method and a device for separating plastic particles from supensions |
US20170199309A1 (en) * | 2016-01-12 | 2017-07-13 | Optivision Technology Inc. | Optical device and diffusion film |
Family Cites Families (5)
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 |
-
1990
- 1990-04-03 US US07/504,554 patent/US5062932A/en not_active Expired - Fee Related
- 1990-05-03 EP EP19900108377 patent/EP0454887B1/de not_active Expired - Lifetime
- 1990-05-03 DE DE69024787T patent/DE69024787T2/de not_active Expired - Fee Related
- 1990-05-03 AT AT90108377T patent/ATE132771T1/de not_active IP Right Cessation
- 1990-05-09 CA CA 2016365 patent/CA2016365C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69024787T2 (de) | 1996-06-20 |
DE69024787D1 (de) | 1996-02-22 |
US5062932A (en) | 1991-11-05 |
CA2016365C (en) | 1995-12-19 |
CA2016365A1 (en) | 1991-11-09 |
EP0454887B1 (de) | 1996-01-10 |
EP0454887A1 (de) | 1991-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |