DE69505496D1 - Verfahren und vorrichtung zur behandlung von wiederverwendeter papierpulpe - Google Patents
Verfahren und vorrichtung zur behandlung von wiederverwendeter papierpulpeInfo
- Publication number
- DE69505496D1 DE69505496D1 DE69505496T DE69505496T DE69505496D1 DE 69505496 D1 DE69505496 D1 DE 69505496D1 DE 69505496 T DE69505496 T DE 69505496T DE 69505496 T DE69505496 T DE 69505496T DE 69505496 D1 DE69505496 D1 DE 69505496D1
- Authority
- DE
- Germany
- Prior art keywords
- filter surface
- treating
- web
- paper pulp
- filtrate
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/40—Washing the fibres
-
- 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
- D21D5/02—Straining or screening the pulp
- D21D5/06—Rotary screen-drums
-
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI940513A FI96328C (fi) | 1994-02-04 | 1994-02-04 | Menetelmä ja laite uusiomassan käsittelemiseksi |
PCT/FI1995/000048 WO1995021292A1 (en) | 1994-02-04 | 1995-02-03 | Method and apparatus for treating recycled pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69505496D1 true DE69505496D1 (de) | 1998-11-26 |
DE69505496T2 DE69505496T2 (de) | 1999-04-15 |
Family
ID=8539914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69505496T Expired - Fee Related DE69505496T2 (de) | 1994-02-04 | 1995-02-03 | Verfahren und vorrichtung zur behandlung von wiederverwendeter papierpulpe |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0741817B1 (de) |
AT (1) | ATE172505T1 (de) |
DE (1) | DE69505496T2 (de) |
DK (1) | DK0741817T3 (de) |
ES (1) | ES2125596T3 (de) |
FI (1) | FI96328C (de) |
WO (1) | WO1995021292A1 (de) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE462597B (sv) * | 1988-11-25 | 1990-07-23 | Celleco Ab | Foerfarande och anordning foer fraktionering av suspensioner |
SE465967B (sv) * | 1990-04-11 | 1991-11-25 | Celleco Ab | Foerfarande och anordning foer separering av en fibersuspension |
SE466708B (sv) * | 1990-07-27 | 1992-03-23 | Celleco Hedemora Ab | Anordning foer separering av suspensioner, varvid suspensionen sprutas direkt paa en filtertrumma, utifraan eller inifraan |
-
1994
- 1994-02-04 FI FI940513A patent/FI96328C/fi not_active IP Right Cessation
-
1995
- 1995-02-03 DK DK95907667T patent/DK0741817T3/da active
- 1995-02-03 AT AT95907667T patent/ATE172505T1/de not_active IP Right Cessation
- 1995-02-03 ES ES95907667T patent/ES2125596T3/es not_active Expired - Lifetime
- 1995-02-03 DE DE69505496T patent/DE69505496T2/de not_active Expired - Fee Related
- 1995-02-03 WO PCT/FI1995/000048 patent/WO1995021292A1/en active IP Right Grant
- 1995-02-03 EP EP95907667A patent/EP0741817B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI940513A0 (fi) | 1994-02-04 |
FI940513A (fi) | 1995-08-05 |
WO1995021292A1 (en) | 1995-08-10 |
ES2125596T3 (es) | 1999-03-01 |
FI96328C (fi) | 1996-06-10 |
EP0741817A1 (de) | 1996-11-13 |
DK0741817T3 (da) | 1999-06-28 |
ATE172505T1 (de) | 1998-11-15 |
DE69505496T2 (de) | 1999-04-15 |
EP0741817B1 (de) | 1998-10-21 |
FI96328B (fi) | 1996-02-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |