SE8302828L - Metod och apparatur for blekning av fibermassa - Google Patents
Metod och apparatur for blekning av fibermassaInfo
- Publication number
- SE8302828L SE8302828L SE8302828A SE8302828A SE8302828L SE 8302828 L SE8302828 L SE 8302828L SE 8302828 A SE8302828 A SE 8302828A SE 8302828 A SE8302828 A SE 8302828A SE 8302828 L SE8302828 L SE 8302828L
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- chemical
- flexing
- fiber machine
- led
- Prior art date
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
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
-
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Filtration Of Liquid (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI821811A FI67894C (fi) | 1982-05-21 | 1982-05-21 | Foerfarande och anordning foer blekning av fibermassa |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8302828D0 SE8302828D0 (sv) | 1983-05-19 |
SE8302828L true SE8302828L (sv) | 1983-11-22 |
SE462805B SE462805B (sv) | 1990-09-03 |
Family
ID=8515567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8302828A SE462805B (sv) | 1982-05-21 | 1983-05-19 | Foerfarande och anordning foer foertraengningsblekning av fibermassa |
Country Status (6)
Country | Link |
---|---|
US (1) | US4529479A (sv) |
AT (1) | AT382651B (sv) |
CA (1) | CA1204560A (sv) |
DE (1) | DE3315479A1 (sv) |
FI (1) | FI67894C (sv) |
SE (1) | SE462805B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5126009A (en) * | 1986-05-30 | 1992-06-30 | Pulp And Paper Research Institute Of Canada | Process for decreasing the charge of chemical required in a chlorine bleaching extraction stage |
US4808265A (en) * | 1986-08-07 | 1989-02-28 | Ingersoll-Rand Company | Method of washing pulp in a pressure pulp washer adding two washing liquids |
US4944842A (en) * | 1987-03-26 | 1990-07-31 | Kamyr, Inc. | Method for reducing contamination in pulp processing |
US4999085A (en) * | 1988-10-06 | 1991-03-12 | Sunds Defibrator Rauma Oy | Method for screening of defibered chlorine dioxide bleached pulp during alkaline extraction |
FI85513C (sv) * | 1989-04-07 | 1992-04-27 | Salomans Oy | Förfarande för behandling av fibermassa med kemikalielösning |
FI85293C (sv) * | 1990-05-04 | 1992-03-25 | Poeyry Jaakko & Co Oy | Förfarande för rening och återföring av cellulosafabrikers blekeriavva tten |
US5255540A (en) * | 1990-06-29 | 1993-10-26 | Beloit Technologies, Inc. | Pressurized dynamic washer |
US5246542A (en) * | 1991-09-18 | 1993-09-21 | Fosberg Theodore M | Evaporation and recovery process for bleached chemical thermo-mechanical pulp (BCTMP) effluent |
WO1994019534A1 (en) * | 1993-02-19 | 1994-09-01 | Salminen Reijo K | Wood pulp processing apparatus and method |
US6010594A (en) * | 1993-03-03 | 2000-01-04 | Ahlstrom Machinery Corporation | Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage |
US5538632A (en) * | 1993-10-28 | 1996-07-23 | Beloit Technologies, Inc. | Multiple filter dynamic washer |
US5582681A (en) * | 1994-06-29 | 1996-12-10 | Kimberly-Clark Corporation | Production of soft paper products from old newspaper |
US6074527A (en) * | 1994-06-29 | 2000-06-13 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from coarse cellulosic fibers |
US6001218A (en) * | 1994-06-29 | 1999-12-14 | Kimberly-Clark Worldwide, Inc. | Production of soft paper products from old newspaper |
US6296736B1 (en) | 1997-10-30 | 2001-10-02 | Kimberly-Clark Worldwide, Inc. | Process for modifying pulp from recycled newspapers |
US6387210B1 (en) | 1998-09-30 | 2002-05-14 | Kimberly-Clark Worldwide, Inc. | Method of making sanitary paper product from coarse fibers |
FI121792B (sv) * | 2003-06-30 | 2011-04-15 | Andritz Oy | Förfarande för behandling av massa i samband med blekning av kemisk massa |
AU2011229776B2 (en) | 2010-03-23 | 2013-11-28 | International Paper Company | Improved BCTMP filtrate recycling system and method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4104114A (en) * | 1977-05-05 | 1978-08-01 | Erco Envirotech Ltd. | Bleach plant operation |
-
1982
- 1982-05-21 FI FI821811A patent/FI67894C/fi not_active IP Right Cessation
-
1983
- 1983-04-28 DE DE19833315479 patent/DE3315479A1/de active Granted
- 1983-05-02 AT AT0160083A patent/AT382651B/de not_active IP Right Cessation
- 1983-05-04 CA CA000427469A patent/CA1204560A/en not_active Expired
- 1983-05-10 US US06/493,162 patent/US4529479A/en not_active Expired - Fee Related
- 1983-05-19 SE SE8302828A patent/SE462805B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI67894B (fi) | 1985-02-28 |
FI67894C (fi) | 1985-06-10 |
SE8302828D0 (sv) | 1983-05-19 |
SE462805B (sv) | 1990-09-03 |
DE3315479C2 (sv) | 1987-10-08 |
DE3315479A1 (de) | 1983-11-24 |
ATA160083A (de) | 1986-08-15 |
CA1204560A (en) | 1986-05-20 |
FI821811A0 (fi) | 1982-05-21 |
FI821811A (fi) | 1983-11-22 |
AT382651B (de) | 1987-03-25 |
US4529479A (en) | 1985-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE8302828D0 (sv) | Metod och apparatur for blekning av fibermassa | |
ATE105599T1 (de) | Verfahren zum chlorfreien bleichen von zellstoffen. | |
ES523713A0 (es) | Un metodo de blanquear generos textiles | |
ATE164895T1 (de) | Verfahren und vorrichtung zum behandeln von faserbrei | |
BR9609008A (pt) | Processo de produção de polpa a partir de materiais de planta fibrosos, aparelho para a formação de polpa de materiais de planta fibrosos e polpa. | |
FR2672314B1 (fr) | Procede et appareil de traitement des matieres fibreuses, et appareil de blanchiment de pate de bois par un reactif gazeux. | |
ATE130388T1 (de) | Verfahren zum bleichen von mechanischem holzstoff. | |
SE8403553D0 (sv) | Forfarande och apparatur for tvagning av cellulosamassa | |
SE8306511L (sv) | Metod och apparat for tvettning av pappersmassa | |
ATE14762T1 (de) | Verfahren zur verbesserung des waschens von cellulosepulpen, hergestellt aus lignocellulosematerial. | |
FI861967A (fi) | Sulfitkokfoerfarande foer framstaellning av cellulosa ur lignocellulosahaltiga material inkluderande aotervinning av kokkemikalier. | |
FI923390A (fi) | Aongblaoslaoda | |
SE9101278L (sv) | Foerfarande foer behandling och aatervinning av blekeriavlopp fraan massafabriker | |
OA06307A (fr) | Procédé de blanchiment de pâte à papier préoxydée. | |
SE461664B (sv) | Foerfarande foer efterbehandling av cellulosa | |
FI911907A (sv) | Förfarande för reducering av mängden utsläppt halogenorganisk substans i blekeriavlopp | |
ATE153399T1 (de) | Verfahren zum herstellen von natriumhydroxyd aus weisslauge | |
BR8303894A (pt) | Processo e aparelho para a recuperacao de valores calorificos e quimicos a partir de licores de polpa gastos | |
SE8601835D0 (sv) | Forfarande for blekning och kokning av celllulosa | |
SE8008135L (sv) | Forfarande och anordning for rengoring av maskinbeklednad inom cellulosa-, board- och pappersindustrin | |
DE69030006D1 (de) | Verfahren und Vorrichtung zum Kardieren von Wolle | |
FI98537B (sv) | Förfarande för separering av natriumhydroxid ur vitlut | |
ATE151479T1 (de) | Verbessertes verfahren zur bleiche von holzstoffen | |
DE69023834D1 (de) | Verfahren und Vorrichtung zur Trennung von Unreinheiten aus Papierbrei in einer Breimaschine. | |
ES1010688U (es) | Maquina para recuperacion de desechos textiles. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8302828-2 Format of ref document f/p: F |
|
NUG | Patent has lapsed |
Ref document number: 8302828-2 Format of ref document f/p: F |