SE9201605L - Tvaastegs blekningsreaktor - Google Patents
Tvaastegs blekningsreaktorInfo
- Publication number
- SE9201605L SE9201605L SE9201605A SE9201605A SE9201605L SE 9201605 L SE9201605 L SE 9201605L SE 9201605 A SE9201605 A SE 9201605A SE 9201605 A SE9201605 A SE 9201605A SE 9201605 L SE9201605 L SE 9201605L
- Authority
- SE
- Sweden
- Prior art keywords
- ozone
- pulp
- stage
- pulp particles
- particles
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Detergent Compositions (AREA)
- Television Systems (AREA)
- Laminated Bodies (AREA)
- Catalysts (AREA)
- Noodles (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70569191A | 1991-05-24 | 1991-05-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9201605D0 SE9201605D0 (sv) | 1992-05-21 |
SE9201605L true SE9201605L (sv) | 1992-11-25 |
Family
ID=24834543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9201605A SE9201605L (sv) | 1991-05-24 | 1992-05-21 | Tvaastegs blekningsreaktor |
Country Status (17)
Country | Link |
---|---|
US (2) | US5451296A (sv) |
EP (1) | EP0515303B2 (sv) |
JP (1) | JPH0791794B2 (sv) |
KR (1) | KR960003430B1 (sv) |
CN (1) | CN1051825C (sv) |
AT (1) | ATE156539T1 (sv) |
AU (1) | AU654854B2 (sv) |
BR (1) | BR9201959A (sv) |
CA (1) | CA2068981C (sv) |
DE (1) | DE69221385T2 (sv) |
ES (1) | ES2106848T5 (sv) |
FI (1) | FI922279A (sv) |
NO (1) | NO300103B1 (sv) |
NZ (1) | NZ242792A (sv) |
RU (1) | RU2114231C1 (sv) |
SE (1) | SE9201605L (sv) |
ZA (1) | ZA923757B (sv) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for bleaching high consistency pulp with ozone |
US6126781A (en) * | 1991-08-01 | 2000-10-03 | Union Camp Patent Holding, Inc. | Process for conditioning ozone gas recycle stream in ozone pulp bleaching |
US5810973A (en) * | 1993-09-21 | 1998-09-22 | Beloit Technologies, Inc. | Apparatus for producing small particles from high consistency wood pulp |
WO1996002697A1 (en) * | 1994-07-14 | 1996-02-01 | Union Camp Patent Holding, Inc. | Improved bleaching of high consistency lignocellulosic pulp |
US5944952A (en) * | 1995-07-26 | 1999-08-31 | Beloit Technologies, Inc. | Method for bleaching high consistency pulp with a gaseous bleaching reagent |
WO1997005327A1 (en) * | 1995-07-26 | 1997-02-13 | Beloit Technologies, Inc. | Method and apparatus for bleaching pulp with a gaseous bleaching reagent |
US5733412A (en) * | 1995-09-13 | 1998-03-31 | International Paper Company | Decolorizing brown fibers in recycled pulp |
US6077396A (en) * | 1997-05-16 | 2000-06-20 | Lariviere; Christopher J. | Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent |
SE522593C2 (sv) * | 1999-07-06 | 2004-02-24 | Kvaerner Pulping Tech | System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material |
KR20030046621A (ko) * | 2001-12-16 | 2003-06-18 | 한국전자통신연구원 | 계층화 구조의 프로토콜 스택을 사용하는 스마트 카드와휴대 단말기의 통신 환경 설정 방법 |
US20030165411A1 (en) * | 2002-01-23 | 2003-09-04 | Rolf Engelhard | Compact ozone generator |
CA2383279A1 (fr) * | 2002-05-06 | 2003-11-06 | Sylvain Cloutier | Reacteur |
US20040200589A1 (en) * | 2003-04-08 | 2004-10-14 | Herring William J. | Method of making pulp having high hemicellulose content |
US20040200587A1 (en) * | 2003-04-08 | 2004-10-14 | Herring William J. | Cellulose pulp having increased hemicellulose content |
US20050115690A1 (en) * | 2003-11-25 | 2005-06-02 | Casella Waste Systems, Inc. | Methods for producing recycled pulp from waste paper |
AU2005282168C1 (en) * | 2004-09-10 | 2011-03-17 | Iogen Energy Corporation | Process for producing a pretreated feedstock |
US7541396B2 (en) * | 2004-12-29 | 2009-06-02 | Weyerhaeuser Nr Company | Method for making carboxyalkyl cellulose |
US7837951B2 (en) * | 2005-01-05 | 2010-11-23 | Gsg Holdings, Inc. | Modular ozone generator with an air diffuser |
KR20110067992A (ko) * | 2009-12-15 | 2011-06-22 | 삼성전자주식회사 | 내부발열을 이용한 바이오매스의 전처리 방법 및 전처리 장치 |
CN107489052B (zh) * | 2017-08-30 | 2022-10-21 | 昆明理工大学 | 一种臭氧漂白装置 |
Family Cites Families (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1642978A (en) * | 1924-12-06 | 1927-09-20 | Thorne Carl Busch | Process for bleaching and like purposes |
US1591070A (en) * | 1925-02-27 | 1926-07-06 | Robert B Wolf | Bleaching apparatus |
US1643566A (en) * | 1925-10-16 | 1927-09-27 | Thorne Carl Busch | Process for bleaching and the like purposes |
US1818913A (en) * | 1928-04-12 | 1931-08-11 | Chemipulp Process Inc | Method and apparatus for the chemical treatment of pulp |
US1957937A (en) * | 1930-10-10 | 1934-05-08 | Int Paper Co | Process of bleaching fibrous cellulose material |
US2013115A (en) * | 1931-09-21 | 1935-09-03 | Thorne Carl Busch | Process and apparatus for the refining of pulp |
US2431478A (en) * | 1942-07-25 | 1947-11-25 | Raymond P Hill | Bleaching fibrous material |
US2466633A (en) * | 1948-05-26 | 1949-04-05 | James M Daily | Method of bleaching cellulosic pulp |
US3318657A (en) * | 1963-09-23 | 1967-05-09 | Metal Hydrides Inc | Method of bleaching cellulose fibres |
FR1441787A (fr) * | 1965-04-30 | 1966-06-10 | Progil | Procédé de blanchiment des pâtes à papier |
SE333095B (sv) * | 1967-04-21 | 1971-03-01 | Calor & Sjoegren Ab | |
US3703435A (en) * | 1967-11-09 | 1972-11-21 | Sunds Ab | Method for finely disintegrating pulp,preferentially cellulose pulp,in connection with the bleaching thereof with gaseous bleaching agent |
US3630828A (en) * | 1968-05-13 | 1971-12-28 | Pulp Paper Res Inst | Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp |
OA03094A (fr) * | 1968-07-11 | 1970-12-15 | P P I South African Pulp And P | Perfectionnements à la délignification et au blanchiment des pâtes de cellulose avec l'oxygène gazeux. |
CA902859A (en) * | 1969-11-26 | 1972-06-20 | Pulp And Paper Research Institute Of Canada | Chemical reaction between a solid and a gas |
CA902861A (en) * | 1969-11-27 | 1972-06-20 | Pulp And Paper Research Institute Of Canada | Bleaching of cellulosic pulp |
CA966604A (en) * | 1970-12-21 | 1975-04-29 | Scott Paper Company | Kraft pulp bleaching and recovery process |
US4196043A (en) * | 1970-12-21 | 1980-04-01 | Scott Paper Company | Kraft pulp bleaching and recovery process |
CA970111A (en) * | 1970-12-21 | 1975-07-01 | Rudra P. Singh | Preparation of wood pulp |
US3785577A (en) * | 1972-07-18 | 1974-01-15 | Improved Machinery Inc | Apparatus for the gaseous reaction of material |
US3814664A (en) * | 1972-09-11 | 1974-06-04 | Improved Machinery Inc | Gaseous reaction apparatus including a peripheral gas receiving chamber |
US4105494A (en) * | 1973-01-05 | 1978-08-08 | Sunds Aktiebolag | Process of gas-phase bleaching high consistency finely disintegrated pulp |
US3832276A (en) * | 1973-03-07 | 1974-08-27 | Int Paper Co | Delignification and bleaching of a cellulose pulp slurry with oxygen |
US3964962A (en) * | 1974-02-25 | 1976-06-22 | Ingersoll-Rand Company | Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit |
SE394466C (sv) * | 1974-05-16 | 1986-06-23 | Mannbro Systems Handelsbolag | Sett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tva eller flera steg, varav det sista med syrgas |
US4046621A (en) * | 1974-12-17 | 1977-09-06 | The Ontario Paper Company Limited | Process for treating a slurry of cellulosic material |
SE389351B (sv) * | 1975-03-14 | 1976-11-01 | Kamyr Ab | Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration. |
US4119486A (en) * | 1975-08-14 | 1978-10-10 | Westvaco Corporation | Process for bleaching wood pulp with ozone in the presence of a cationic surfactant |
NO137651C (no) * | 1975-10-31 | 1978-03-29 | Myrens Verksted As | Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk. |
US4226673A (en) * | 1976-03-15 | 1980-10-07 | Champion International Corporation | Color removal from paper and pulp mill aqueous effluents |
US4080249A (en) * | 1976-06-02 | 1978-03-21 | International Paper Company | Delignification and bleaching of a lignocellulosic pulp slurry with ozone |
FI67413C (fi) * | 1977-04-27 | 1985-03-11 | Myrens Verksted As | Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet |
JPS5430902A (en) * | 1977-06-27 | 1979-03-07 | Seisan Kaihatsu Kagaku Kenkyus | Industrial multistage pulp bleaching method |
US4216054A (en) * | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
NO142091C (no) * | 1977-10-17 | 1980-06-25 | Myrens Verksted As | Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse. |
NO144711C (no) * | 1978-04-04 | 1981-10-21 | Myrens Verksted As | Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon |
CA1112813A (en) * | 1978-04-06 | 1981-11-24 | Arthur W. Kempf | Method for extracting ozone-treated fibrous materials |
US4372812A (en) * | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
CA1132760A (en) * | 1978-04-07 | 1982-10-05 | Richard B. Phillips | Chlorine free process for bleaching lignocellulosic pulp |
CS210414B1 (en) * | 1978-09-28 | 1982-01-29 | Ladislav Zilka | Shovel conveyer built in the continuous cylindrical boiling tank |
US4229252A (en) * | 1979-01-11 | 1980-10-21 | Weyerhaeuser Company | Additives for ozone bleaching |
US4298426A (en) * | 1979-06-15 | 1981-11-03 | Weyerhaeuser Company | Method and apparatus for treating pulp with oxygen in a multi-stage bleaching sequence |
US4295925A (en) * | 1979-06-15 | 1981-10-20 | Weyerhaeuser Company | Treating pulp with oxygen |
US4363697A (en) * | 1979-12-03 | 1982-12-14 | The Black Clawson Company | Method for medium consistency oxygen delignification of pulp |
FR2474550A1 (fr) * | 1980-01-24 | 1981-07-31 | Scott Paper Co | Procede de blanchiment de pate cellulosique |
US4283251A (en) * | 1980-01-24 | 1981-08-11 | Scott Paper Company | Ozone effluent bleaching |
CA1154205A (en) * | 1980-04-15 | 1983-09-27 | Madhu P. Godsay | Brightness improvement of ozone bleached pulps |
US4444621A (en) * | 1980-11-21 | 1984-04-24 | Mo Och Domsjo Aktiebolag | Process and apparatus for the deresination and brightness improvement of cellulose pulp |
US4384920A (en) * | 1981-04-06 | 1983-05-24 | The Black Clawson Company | Method and apparatus for oxygen delignification |
ZA821923B (en) * | 1981-04-06 | 1983-02-23 | Black Clawson Co | Method and apparatus for oxygen delignification |
CA1181204A (en) * | 1981-06-17 | 1985-01-22 | Russell W. Hoag | Method and system for reacting ozone with pulp |
US4468286A (en) * | 1982-03-09 | 1984-08-28 | Myrens Verksted A/S | Method of gas treatment of fluffed pulp |
US4426256A (en) * | 1982-03-09 | 1984-01-17 | Myrens Verksted A/S | Apparatus for treating fibrous material with a gas |
WO1984000181A1 (en) * | 1982-06-24 | 1984-01-19 | Scott Paper Co | Ozone bleaching of cellulosic materials |
ZA835925B (en) * | 1982-09-30 | 1984-04-25 | Black Clawson Co | Method and apparatus for oxygen delignification |
AU1730083A (en) * | 1982-09-30 | 1984-04-05 | Black Clawson Company, The | Oxygen treatment of low connistancy pulp |
GB2144458A (en) * | 1983-06-25 | 1985-03-06 | Berstorff Gmbh Masch Hermann | Apparatus and method for producing wood pulp |
US4619733A (en) * | 1983-11-30 | 1986-10-28 | Kooi Boon Lam | Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor |
US4640782A (en) * | 1985-03-13 | 1987-02-03 | Ozo-Tek, Inc. | Method and apparatus for the generation and utilization of ozone and singlet oxygen |
FR2585385B1 (fr) * | 1985-07-26 | 1987-10-30 | Lamort E & M | Procede et appareillage de preparation et triage primaire de pate a papier |
FR2609067B1 (fr) * | 1986-12-31 | 1990-06-15 | Beghin Say Sa | Procede pour le traitement a l'ozone d'une pate cellulosique |
AT388193B (de) * | 1987-06-12 | 1989-05-10 | Andritz Ag Maschf | Mischer |
FR2620744A1 (fr) * | 1987-09-17 | 1989-03-24 | Degremont | Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede |
US4959124A (en) * | 1989-05-05 | 1990-09-25 | International Paper Company | Method of bleaching kraft pulp in a DZED sequence |
FI89516B (fi) * | 1989-05-10 | 1993-06-30 | Ahlstroem Oy | Foerfarande foer blekning av cellulosamassa med otson |
AT394737B (de) * | 1989-07-03 | 1992-06-10 | Andritz Ag Maschf | Verfahren und vorrichtung zur behandlung, insbesondere waesche, von faserstoff-fluessigkeit- mischungen |
AT395180B (de) * | 1989-08-16 | 1992-10-12 | Andritz Ag Maschf | Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung |
AU636173B2 (en) * | 1989-10-30 | 1993-04-22 | Lenzing Aktiengesellschaft | Method for the chlorine-free bleaching of pulps |
BR9007533A (pt) † | 1990-05-17 | 1992-04-28 | Union Camp Corp | Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico |
US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
EP0492039A1 (en) * | 1990-12-27 | 1992-07-01 | Kamyr, Inc. | Pneumatic reactor ozone bleaching of paper pulp |
CA2046717A1 (en) * | 1991-02-06 | 1992-08-07 | Beloit Technologies, Inc. | Method and apparatus for treating fibrous materials with a gaseous reagent |
-
1992
- 1992-05-19 CA CA002068981A patent/CA2068981C/en not_active Expired - Fee Related
- 1992-05-19 FI FI922279A patent/FI922279A/fi unknown
- 1992-05-19 EP EP92610036A patent/EP0515303B2/en not_active Expired - Lifetime
- 1992-05-19 AT AT92610036T patent/ATE156539T1/de not_active IP Right Cessation
- 1992-05-19 DE DE69221385T patent/DE69221385T2/de not_active Expired - Fee Related
- 1992-05-19 ES ES92610036T patent/ES2106848T5/es not_active Expired - Lifetime
- 1992-05-19 NZ NZ242792A patent/NZ242792A/en unknown
- 1992-05-20 AU AU17000/92A patent/AU654854B2/en not_active Ceased
- 1992-05-21 SE SE9201605A patent/SE9201605L/sv not_active Application Discontinuation
- 1992-05-21 NO NO921999A patent/NO300103B1/no not_active IP Right Cessation
- 1992-05-22 RU SU5052060A patent/RU2114231C1/ru active
- 1992-05-22 ZA ZA923757A patent/ZA923757B/xx unknown
- 1992-05-23 KR KR1019920008761A patent/KR960003430B1/ko not_active IP Right Cessation
- 1992-05-23 CN CN92105099A patent/CN1051825C/zh not_active Expired - Fee Related
- 1992-05-25 JP JP4132681A patent/JPH0791794B2/ja not_active Expired - Lifetime
- 1992-05-25 BR BR929201959A patent/BR9201959A/pt not_active IP Right Cessation
-
1994
- 1994-03-08 US US08/208,067 patent/US5451296A/en not_active Expired - Fee Related
- 1994-03-08 US US08/208,069 patent/US5989388A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1070971A (zh) | 1993-04-14 |
ES2106848T3 (es) | 1997-11-16 |
FI922279A0 (fi) | 1992-05-19 |
JPH05263386A (ja) | 1993-10-12 |
BR9201959A (pt) | 1993-01-12 |
CA2068981A1 (en) | 1992-11-25 |
EP0515303A1 (en) | 1992-11-25 |
NO300103B1 (no) | 1997-04-07 |
ZA923757B (en) | 1993-01-27 |
RU2114231C1 (ru) | 1998-06-27 |
AU654854B2 (en) | 1994-11-24 |
NO921999D0 (no) | 1992-05-21 |
AU1700092A (en) | 1992-12-03 |
EP0515303B1 (en) | 1997-08-06 |
US5989388A (en) | 1999-11-23 |
KR960003430B1 (ko) | 1996-03-13 |
CN1051825C (zh) | 2000-04-26 |
JPH0791794B2 (ja) | 1995-10-04 |
SE9201605D0 (sv) | 1992-05-21 |
ATE156539T1 (de) | 1997-08-15 |
CA2068981C (en) | 1996-08-27 |
KR920021806A (ko) | 1992-12-18 |
ES2106848T5 (es) | 2001-09-01 |
EP0515303B2 (en) | 2001-07-04 |
NZ242792A (en) | 1993-12-23 |
DE69221385T2 (de) | 1997-12-11 |
NO921999L (no) | 1992-11-25 |
US5451296A (en) | 1995-09-19 |
DE69221385D1 (de) | 1997-09-11 |
FI922279A (fi) | 1992-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9201605-4 |