NO954412L - Regulering av opplöste faststoffer ved masseproduksjon - Google Patents
Regulering av opplöste faststoffer ved masseproduksjonInfo
- Publication number
- NO954412L NO954412L NO954412A NO954412A NO954412L NO 954412 L NO954412 L NO 954412L NO 954412 A NO954412 A NO 954412A NO 954412 A NO954412 A NO 954412A NO 954412 L NO954412 L NO 954412L
- Authority
- NO
- Norway
- Prior art keywords
- screen
- digester
- vessel
- cooking
- circulation loop
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/224—Use of means other than pressure and temperature
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous 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
- D21C7/00—Digesters
-
- 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
- D21C7/00—Digesters
- D21C7/12—Devices for regulating or controlling
-
- 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
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G7/00—Damping devices
Landscapes
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Seasonings (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Glass Compositions (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Hybrid Cells (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/056,211 US5489363A (en) | 1993-05-04 | 1993-05-04 | Pulping with low dissolved solids for improved pulp strength |
US08/127,548 US5547012A (en) | 1993-05-04 | 1993-09-28 | Dissolved solids control in pulp production |
PCT/US1994/001953 WO1994025668A1 (en) | 1993-05-04 | 1994-02-25 | Dissolved solids control in pulp production |
Publications (4)
Publication Number | Publication Date |
---|---|
NO954412D0 NO954412D0 (no) | 1995-11-03 |
NO954412L true NO954412L (no) | 1995-11-03 |
NO313887B2 NO313887B2 (no) | 2002-12-16 |
NO313887B1 NO313887B1 (no) | 2002-12-16 |
Family
ID=22002920
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19954412A NO313887B1 (no) | 1993-05-04 | 1995-11-03 | FremgangsmÕte for produksjon av kraftmasse, fremgangsmÕte for kraftkoking, kraftmasse produsert ved kraftkoking, samt apparatfor kraftkoking |
NO19980265A NO313919B1 (no) | 1993-05-04 | 1998-01-20 | FremgangsmÕte for kontinuerlig fremstilling av kjemisk cellulosemasse og en kontinuerlig koker for fremstilling av dennemasse |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19980265A NO313919B1 (no) | 1993-05-04 | 1998-01-20 | FremgangsmÕte for kontinuerlig fremstilling av kjemisk cellulosemasse og en kontinuerlig koker for fremstilling av dennemasse |
Country Status (18)
Country | Link |
---|---|
US (8) | US5489363A (no) |
EP (5) | EP1873303A3 (no) |
JP (1) | JP2971947B2 (no) |
CN (2) | CN1047640C (no) |
AT (4) | ATE237713T1 (no) |
AU (1) | AU690105B2 (no) |
BR (1) | BR9406623A (no) |
CA (2) | CA2424682A1 (no) |
DE (4) | DE69434733T2 (no) |
ES (4) | ES2293959T3 (no) |
FI (1) | FI120650B (no) |
ID (2) | ID16427A (no) |
NO (2) | NO313887B1 (no) |
NZ (1) | NZ263656A (no) |
PT (4) | PT1308554E (no) |
RU (2) | RU2165433C2 (no) |
WO (1) | WO1994025668A1 (no) |
ZA (1) | ZA943025B (no) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5824188A (en) * | 1993-05-04 | 1998-10-20 | Ahlstrom Machinery Inc. | Method of controlling the pressure of a continuous digester using an extraction-dilution |
US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
US5575890A (en) * | 1993-05-04 | 1996-11-19 | Kamyr, Inc. | Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood |
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
US6132556A (en) * | 1993-05-04 | 2000-10-17 | Andritz-Ahlstrom Inc. | Method of controlling pulp digester pressure via liquor extraction |
SE502134C2 (sv) * | 1994-02-10 | 1995-08-28 | Kvaerner Pulping Tech | Optimering av vätske/ved-förhållande i förimpregneringskärl och kontinuerlig kokare vid framställning av kemisk massa |
US6027609A (en) * | 1994-11-04 | 2000-02-22 | Kvaener Pulping Ab | Pulp-mill recovery installation for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers |
AT403301B (de) * | 1996-04-04 | 1998-01-26 | Impco Voest Alpine Pulp Tech | Kontinuierliche flüssigkeitsführung |
US6475338B1 (en) | 1996-06-05 | 2002-11-05 | Andritz Inc. | Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester |
US5736006A (en) * | 1996-10-10 | 1998-04-07 | Ahlstrom Machinery Inc. | Method and apparatus for pulping with controlled heating to improve delignification and pulp strength |
AU772619B2 (en) * | 1997-03-12 | 2004-05-06 | Abbvie Inc. | Hydrophilic binary systems for the administration of cyclosporine |
US5958181A (en) * | 1997-08-07 | 1999-09-28 | Ahlstrom Machinery, Inc. | Continuous cooking with a two-stage cool impregnation |
CA2216046A1 (en) * | 1997-09-18 | 1999-03-18 | Kenneth Boegh | In-line sensor for colloidal and dissolved substances |
US5985096A (en) * | 1997-09-23 | 1999-11-16 | Ahlstrom Machinery Inc. | Vertical pulping digester having substantially constant diameter |
EP0919889A1 (en) * | 1997-11-26 | 1999-06-02 | Siemens Aktiengesellschaft | Modelling, simulation and optimisation of continuous Kamyr digester systems |
US6241851B1 (en) * | 1998-03-03 | 2001-06-05 | Andritz-Ahlstrom Inc. | Treatment of cellulose material with additives while producing cellulose pulp |
US6277240B1 (en) | 1998-10-02 | 2001-08-21 | Andritz-Ahlstrom Inc. | Method for continuously pulping cellulosic fibrous material |
US6368453B1 (en) | 1999-03-18 | 2002-04-09 | Andritz Inc. | Chip feeding to a comminuted cellulosic fibrous material treatment vessel |
US6576084B1 (en) | 1999-09-13 | 2003-06-10 | Andritz Inc. | Method of pretreating pulp with yield or strength-enhancing additive |
EP1230048A1 (de) * | 1999-11-18 | 2002-08-14 | Adolf Hottinger Maschinenbau GmbH | Verfahren zur herstellung von gussformen |
US6436233B1 (en) | 2000-05-18 | 2002-08-20 | Andritz Inc. | Feeding cellulose material to a treatment vessel |
US6451172B1 (en) | 2000-05-18 | 2002-09-17 | Andritz Inc. | In-line drainer enhancements |
US6752903B2 (en) * | 2001-07-27 | 2004-06-22 | Craig A. Bianchini | Method for mitigating the interference caused by high-molecular weight by-products in pulping processes |
ITFI20010160A1 (it) * | 2001-08-24 | 2003-02-24 | Cima Impianti Spa | Macchina di vulcanizzazione per la produzione di pneumatici per veicoli stradali ed altri |
SE520956C2 (sv) * | 2001-12-05 | 2003-09-16 | Kvaerner Pulping Tech | Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren |
US20030131956A1 (en) * | 2002-01-16 | 2003-07-17 | Stromberg C. Bertil | Continuous pulping processes and systems |
US6896810B2 (en) * | 2002-08-02 | 2005-05-24 | Rayonier Products And Financial Services Company | Process for producing alkaline treated cellulosic fibers |
FI115977B2 (fi) * | 2003-04-07 | 2019-03-29 | Stora Enso Oyj | Alkalisen pesunesteen puhdistaminen |
SE527058C2 (sv) * | 2004-02-09 | 2005-12-13 | Kvaerner Pulping Tech | Kontinuerlig kokprocess med förbättrad värmeekonomi |
US7452444B2 (en) * | 2004-05-26 | 2008-11-18 | International Paper Company | Digester wash extraction by individual screen flow control |
US20050274468A1 (en) * | 2004-05-28 | 2005-12-15 | Metso Paper, Inc. | Central screen |
US7241363B2 (en) * | 2004-06-26 | 2007-07-10 | International Paper Company | Methods to decrease scaling in digester systems |
US20060157209A1 (en) * | 2005-01-19 | 2006-07-20 | Bianchini Craig A | Method and apparatus to distribute the inflow of liquors in a Batch Digester |
CN104109983A (zh) | 2005-05-24 | 2014-10-22 | 国际纸业公司 | 改性的牛皮纤维 |
US20070240837A1 (en) * | 2006-04-13 | 2007-10-18 | Andritz Inc. | Hardwood alkaline pulping processes and systems |
AT503610B1 (de) * | 2006-05-10 | 2012-03-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung eines zellstoffes |
BRPI0711473A2 (pt) * | 2006-05-19 | 2011-11-16 | Univ New York State Res Found | método de tratamento de material fibroso celulósico triturado, e, polpa |
KR101197952B1 (ko) | 2007-03-30 | 2012-11-05 | 가부시키가이샤 고베 세이코쇼 | 알루미늄 합금 후판의 제조 방법 및 알루미늄 합금 후판 |
US8444809B2 (en) * | 2007-06-25 | 2013-05-21 | Andritz Inc. | Method and system for direct contact of hot liquor with wood chips in transfer circulation |
US9695549B2 (en) * | 2007-09-03 | 2017-07-04 | Norozymes Als | Detoxifying and recycling of washing solution used in pretreatment of lignocellulose-containing materials |
US8303767B2 (en) * | 2008-03-18 | 2012-11-06 | The Research Foundation Of State University Of New York | Methods of pretreating comminuted cellulosic material with carbonate-containing solutions |
SE532930C2 (sv) * | 2008-03-20 | 2010-05-11 | Metso Fiber Karlstad Ab | Matningssystem innefattande parallella pumpar för en kontinuerlig kokare |
US7867363B2 (en) * | 2008-08-27 | 2011-01-11 | Metso Fiber Karlstad Ab | Continuous digester system |
SE532855C2 (sv) * | 2008-10-13 | 2010-04-20 | Metso Fiber Karlstad Ab | Förfarande för att förhindra igensättning i en silkonstruktion för en kontinuerlig kokare |
CA2763651C (en) | 2009-05-26 | 2015-01-27 | Nippon Paper Industries Co., Ltd. | Cooking process of lignocellulose material |
EP2508671B8 (en) * | 2009-12-01 | 2015-04-08 | Nippon Paper Industries Co., Ltd. | Cellulose nanofibers and method of producing cellulose nanofibers |
CA2744250C (en) * | 2010-05-04 | 2016-10-11 | Bahia Specialty Cellulose Sa | Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse |
KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
WO2012006396A1 (en) * | 2010-07-07 | 2012-01-12 | Andritz Inc. | Chip feed and steaming system and method for batch digester |
FI20115754A0 (fi) * | 2011-03-22 | 2011-07-15 | Andritz Oy | Menetelmä ja järjestely kemiallisen massan käsittelemiseksi |
CN102787521A (zh) * | 2011-05-16 | 2012-11-21 | 张世乐 | 一种用于间歇蒸煮的蒸煮液补偿技术 |
US8685205B2 (en) | 2012-07-31 | 2014-04-01 | Andritz Inc. | Flash tank with compact steam discharge assembly |
CN102936862A (zh) * | 2012-11-26 | 2013-02-20 | 天津市恒脉机电科技有限公司 | 一种间歇置换蒸煮生产纸浆的系统 |
PL2977511T3 (pl) | 2013-03-21 | 2020-07-13 | Japan Tobacco Inc. | Sposób wytwarzania ługu czarnego i sposób wytwarzania cieczy zawierającej składnik aromatyzujący |
US8986504B1 (en) | 2013-10-25 | 2015-03-24 | International Paper Company | Digester apparatus |
TR201409682A2 (tr) * | 2014-08-19 | 2016-03-21 | Univ Istanbul Teknik | Bir yığın delignifikasyonu. |
ES2750703T3 (es) * | 2014-08-26 | 2020-03-26 | Valmet Oy | Procedimiento rentable de cocción de kraft utilizando un licor de cocción de polisulfuro |
CN105084010B (zh) * | 2015-08-12 | 2017-11-21 | 海南金海浆纸业有限公司 | 一种高压喂料器及系统 |
CN110670400B (zh) * | 2019-09-25 | 2020-11-27 | 刘澄 | 一种用于卫生巾艾绒芯片立式蒸煮釜 |
UY39227A (es) * | 2020-05-22 | 2021-12-31 | Suzano Sa | Método para desobstruir o limpiar una pantalla en un digestor continuo de cocción de proceso kraft |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3200032A (en) * | 1961-12-23 | 1965-08-10 | Kamyr Ab | Continuous process for digesting cellulosic material |
DE1296503B (de) * | 1963-03-01 | 1969-05-29 | Skogsaegarnas Ind Aktiebolag | Verfahren zum Vermeiden der Bildung fluechtiger uebelriechender Stoffe bei der Herstellung von Sulfatzellstoff |
FI44514B (no) * | 1963-12-13 | 1971-08-02 | Kamyr Ab | |
US3413189A (en) * | 1964-01-29 | 1968-11-26 | Kamyr Ab | Method of performing hydrolysis and alkalic digestion of cellulosic fiber material with prevention of lignin precipitation |
US3427218A (en) * | 1964-07-10 | 1969-02-11 | Kamyr Ab | Method of performing counter-current continuous cellulose digestion |
FR1510761A (fr) * | 1966-03-03 | 1968-01-19 | Mo Och Domsjoe Ab | Procédé pour l'accroissement du rendement de la préparation de pâtes à papier par voie alcaline |
US3573157A (en) * | 1967-05-08 | 1971-03-30 | Domtar Ltd | Increasing the polysulfide content of an alkaline pulp impregnation liquor |
US3705077A (en) * | 1970-10-09 | 1972-12-05 | Texaco Inc | Waste disposal process for spent wood-pulping liquors |
SE345885B (no) * | 1970-12-30 | 1972-06-12 | Svenska Cellulosa Ab | |
SU587191A1 (ru) * | 1976-02-18 | 1978-01-05 | Ленинградская Ордена Ленина Лесотехническая Академия Им.С.М.Кирова | Способ получени сульфатной целлюлозы |
JPS52121501A (en) * | 1976-04-07 | 1977-10-13 | Mitsubishi Heavy Ind Ltd | Process and apparatus for removing badly smelling constituents from kraft digesting liquid |
SU639592A1 (ru) * | 1976-06-07 | 1978-12-30 | Chesnokov Vadim D | Бункерный агрегат |
US4071399A (en) * | 1976-09-01 | 1978-01-31 | Kamyr, Inc. | Apparatus and method for the displacement impregnation of cellulosic chips material |
SU751808A1 (ru) * | 1978-05-22 | 1980-07-30 | Ордена Трудового Красного Знамени Институт Высокомолекулярных Соединений Ан Ссср | Способ получени микрокристалической целлюлозы |
SU907116A1 (ru) * | 1979-08-07 | 1982-02-23 | Архангельский Ордена Трудового Красного Знамени Лесотехнический Институт Им.В.В.Куйбышева | Устройство дл непрерывной варки мелкофракционного лигноцеллюлозного сырь |
FI63610C (fi) † | 1981-12-31 | 1983-07-11 | Ekono Oy | Foerfarande foer kontinuerlig uppslutning av finfoerdelat material |
SE452482B (sv) * | 1982-04-28 | 1987-11-30 | Sunds Defibrator | Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad |
SU1134564A1 (ru) * | 1982-07-05 | 1985-01-15 | Ордена Трудового Красного Знамени Институт Высокомолекулярных Соединений Ан Ссср | Способ получени однородной по молекул рной массе целлюлозы |
FI65455B (fi) * | 1982-12-28 | 1984-01-31 | Larox Ag | Foerfarande foer behandling av mesa uppkommen i en kausticeringsprocess i en sulfatcellulosafabrik |
US4604957A (en) * | 1983-11-05 | 1986-08-12 | Sunds Defibrator Ab | Method for wet combustion of organic material |
SE452343B (sv) * | 1984-02-22 | 1987-11-23 | Billeruds Ab | Sett och utrustning vid kontinuerlig cellulosakokning |
FI69854C (fi) * | 1984-04-02 | 1986-05-26 | Enso Gutzeit Oy | Foerfarande foer foervaratagning av loesliga kolhydrater i trae |
SE453840B (sv) * | 1984-12-21 | 1988-03-07 | Mo Och Domsjoe Ab | Forfarande vid framstellning av cellulosamassa |
FI75615C (fi) * | 1985-11-29 | 1991-08-26 | Ahlstroem Oy | Foerfarande foer saenkning av svartlutens viskositet. |
SU1491920A1 (ru) * | 1987-12-28 | 1989-07-07 | Ленинградский технологический институт целлюлозно-бумажной промышленности | Способ получени сульфатной целлюлозы |
US5192396A (en) * | 1988-12-20 | 1993-03-09 | Kamyr Ab | Process for the continuous digestion of cellulosic fiber material |
SE468053B (sv) * | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
US5053108A (en) * | 1989-06-28 | 1991-10-01 | Kamyr Ab | High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips |
SU1696330A1 (ru) * | 1989-09-05 | 1991-12-07 | Центральное Проектно-Конструкторское И Технологическое Бюро "Росагропромремтехпроект" | Санитарно-технический блок автопередвижной лаборатории |
CA2037717C (en) * | 1990-09-17 | 1996-03-05 | Bertil Stromberg | Extended kraft cooking with white liquor added to wash circulation |
DE69111165T2 (de) * | 1990-09-20 | 1995-11-16 | Kvaerner Pulping Tech | Tränkung mit Schwarzlauge vor der Zufuhr der Weisslauge. |
US5213662A (en) * | 1991-08-14 | 1993-05-25 | Kamyr, Inc. | Treatment of chips with high temperature black liquor to reduce black liquor viscosity |
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
-
1993
- 1993-05-04 US US08/056,211 patent/US5489363A/en not_active Expired - Lifetime
- 1993-09-28 US US08/127,548 patent/US5547012A/en not_active Expired - Lifetime
-
1994
- 1994-02-25 EP EP07016443A patent/EP1873303A3/en not_active Withdrawn
- 1994-02-25 PT PT02078828T patent/PT1308554E/pt unknown
- 1994-02-25 CA CA002424682A patent/CA2424682A1/en not_active Abandoned
- 1994-02-25 PT PT03075034T patent/PT1308555E/pt unknown
- 1994-02-25 CA CA002159998A patent/CA2159998C/en not_active Expired - Lifetime
- 1994-02-25 RU RU98101814/04A patent/RU2165433C2/ru active
- 1994-02-25 DE DE69434733T patent/DE69434733T2/de not_active Expired - Lifetime
- 1994-02-25 EP EP94912158A patent/EP0698139B1/en not_active Expired - Lifetime
- 1994-02-25 RU RU95122698A patent/RU2127783C1/ru active
- 1994-02-25 WO PCT/US1994/001953 patent/WO1994025668A1/en active IP Right Grant
- 1994-02-25 AT AT94912158T patent/ATE237713T1/de active
- 1994-02-25 AT AT01200864T patent/ATE373740T1/de active
- 1994-02-25 EP EP03075034A patent/EP1308555B1/en not_active Expired - Lifetime
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- 1994-02-25 DE DE69432515T patent/DE69432515T9/de not_active Expired - Fee Related
- 1994-02-25 JP JP6524236A patent/JP2971947B2/ja not_active Expired - Lifetime
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- 1994-02-25 ES ES03075034T patent/ES2263907T3/es not_active Expired - Lifetime
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- 1994-02-25 DE DE69435027T patent/DE69435027T2/de not_active Expired - Lifetime
- 1994-02-25 ES ES02078828T patent/ES2263735T3/es not_active Expired - Lifetime
- 1994-02-25 NZ NZ263656A patent/NZ263656A/en not_active IP Right Cessation
- 1994-02-25 PT PT01200864T patent/PT1126075E/pt unknown
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- 1994-05-03 CN CN94104997A patent/CN1047640C/zh not_active Expired - Fee Related
- 1994-05-03 ZA ZA943025A patent/ZA943025B/xx unknown
- 1994-09-25 ID IDP972719A patent/ID16427A/id unknown
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1995
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- 1995-11-03 NO NO19954412A patent/NO313887B1/no active IP Right Review Request
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1996
- 1996-04-03 US US08/625,709 patent/US5620562A/en not_active Expired - Lifetime
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1997
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1998
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- 1998-01-20 NO NO19980265A patent/NO313919B1/no active IP Right Review Request
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1999
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2000
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2001
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