SE8801948L - Forfarande for senkning av viskositeten hos svartlut - Google Patents
Forfarande for senkning av viskositeten hos svartlutInfo
- Publication number
- SE8801948L SE8801948L SE8801948A SE8801948A SE8801948L SE 8801948 L SE8801948 L SE 8801948L SE 8801948 A SE8801948 A SE 8801948A SE 8801948 A SE8801948 A SE 8801948A SE 8801948 L SE8801948 L SE 8801948L
- Authority
- SE
- Sweden
- Prior art keywords
- viscosity
- reducing
- temperature
- black liquid
- black liquor
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/08—Multieffect or multistage
Landscapes
- Paper (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI854732A FI75615C (sv) | 1985-11-29 | 1985-11-29 | Förfarande för sänkning av svartlutens viskositet |
PCT/FI1986/000133 WO1987003315A1 (en) | 1985-11-29 | 1986-11-24 | Method of decreasing black liquor viscosity |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8801948L true SE8801948L (sv) | 1988-05-25 |
SE8801948D0 SE8801948D0 (sv) | 1988-05-25 |
SE466756B SE466756B (sv) | 1992-03-30 |
Family
ID=8521769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8801948A SE466756B (sv) | 1985-11-29 | 1988-05-25 | Foerfarande foer saenkning av viskositeten hos svartlut |
Country Status (12)
Country | Link |
---|---|
US (1) | US4929307A (sv) |
JP (1) | JPS63502674A (sv) |
BR (1) | BR8607216A (sv) |
CA (1) | CA1288203C (sv) |
CS (1) | CS273179B2 (sv) |
FI (1) | FI75615C (sv) |
FR (1) | FR2593528B1 (sv) |
PL (1) | PL155015B1 (sv) |
PT (1) | PT83838B (sv) |
SE (1) | SE466756B (sv) |
SU (1) | SU1720498A3 (sv) |
WO (1) | WO1987003315A1 (sv) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI85515C (sv) * | 1990-07-09 | 1996-04-10 | Ahlstroem Oy | Förfarande för reglering av en sulfatcellulosafabriks sulfiditet |
FI87092C (sv) * | 1990-11-07 | 1992-11-25 | Ahlstroem Oy | Förfarande för behandling av svartlut |
US5326433A (en) * | 1991-02-06 | 1994-07-05 | Ahlstrom Recovery Inc. | Multi-level sulfide content white liquor production and utilization in cellulose pulping |
CA2103664C (en) * | 1991-02-06 | 1997-08-19 | Rolf Ryham | Method of recovering energy and chemicals from black liquor |
FI92226B (sv) * | 1991-04-15 | 1994-06-30 | Ahlstroem Oy | Förfarande för förtjockning av avlutar och återvinning av kokkemikalier vid massaframställning med alkoholbaserade kokvätskor |
US5213662A (en) * | 1991-08-14 | 1993-05-25 | Kamyr, Inc. | Treatment of chips with high temperature black liquor to reduce black liquor viscosity |
FI92725C (sv) * | 1991-09-09 | 1994-12-27 | Ahlstroem Oy | Förfarande för framställning av kokvätska |
US5234546A (en) * | 1991-09-10 | 1993-08-10 | Kamyr, Inc. | Polysulfide production in white liquor |
FI95822C (sv) * | 1991-09-27 | 1996-03-25 | Ahlstroem Oy | Behandling av smältan av en sodapanna eller motsvarande panna |
US5360513A (en) * | 1992-02-13 | 1994-11-01 | A. Ahlstrom Corporation | Sulphur removal from gases associated with boilers having cascade evaporators |
US5662774A (en) * | 1992-04-01 | 1997-09-02 | Tampella Power Oy | Adjusting the sulphur balance of a sulphate cellulose plant by heat treating black liquor in a last evaporation stage |
US5489363A (en) | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
US5472568A (en) * | 1993-09-07 | 1995-12-05 | Air Products And Chemicals, Inc. | Method for controlling the viscosity of Kraft black liquor |
GB9503562D0 (en) * | 1995-02-23 | 1995-04-12 | Thor Technology Corp | Black liquor viscosity control |
SE520956C2 (sv) * | 2001-12-05 | 2003-09-16 | Kvaerner Pulping Tech | Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren |
CN101580285A (zh) * | 2009-04-01 | 2009-11-18 | 兰州节能环保工程有限责任公司 | 非木质原料造纸黑液热裂解装置 |
CN103080417A (zh) * | 2010-07-07 | 2013-05-01 | 斯托拉恩索公司 | 由黑液制造沉淀木质素的方法和通过这种方法制造的沉淀木质素 |
WO2019004076A1 (ja) * | 2017-06-30 | 2019-01-03 | 株式会社片山化学工業研究所 | 減粘剤組成物、及び黒液濃縮方法 |
JP7317509B2 (ja) * | 2019-01-10 | 2023-07-31 | 日本製紙株式会社 | リグニンの製造方法、及びリグニン系分散剤 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1719130A (en) * | 1925-12-16 | 1929-07-02 | Brown Co | Process for recovering heat and chemicals |
DE897513C (de) * | 1942-01-16 | 1953-11-23 | Hilding Olof Vidar Bergstroem | Verfahren zum Eindampfen von Zellstoffablaugen |
US2754897A (en) * | 1951-01-22 | 1956-07-17 | Ramen Torsten | Processes for concentrating liquids containing incrustation-forming substances |
US2891843A (en) * | 1953-02-09 | 1959-06-23 | Minnesota & Ontario Paper Co | Chemical recovery process and apparatus |
FR1112129A (fr) * | 1953-11-19 | 1956-03-08 | Inventa Ag | Procédé pour la préparation de la lignine à partir des liqueurs noires |
US3026240A (en) * | 1959-05-04 | 1962-03-20 | Babcock & Wilcox Co | Chemical recovery system |
US3092535A (en) * | 1960-04-27 | 1963-06-04 | Smith Paper Mills Ltd Howard | Sulphite pulping process |
NL273213A (sv) * | 1961-01-05 | |||
US3451765A (en) * | 1964-03-25 | 1969-06-24 | Frederick A Schleindl | Method of treating spent pulp liquor by adding gas-evolving metals thereto |
CH552716A (fr) * | 1972-03-06 | 1974-08-15 | Promotion Et D Exploit Ind De | Procede d'obtention de la cellulose a partir de matieres premieres ligno-cellulosiques. |
SE377348B (sv) * | 1972-07-14 | 1975-06-30 | Mo Och Domsjoe Ab | |
DE2506970C3 (de) * | 1975-02-19 | 1981-04-16 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur Überführung hochviskoser Zellstoffablaugen in einen pumpfähigen Zustand |
CA1097465A (en) * | 1976-11-30 | 1981-03-17 | James R. Prough | Black liquor energy recovery |
FI60041C (fi) * | 1980-05-21 | 1981-11-10 | Ahlstroem Oy | Foerfarande foer tillverkning av alkalisk sulfitmassa |
FI64409C (fi) * | 1981-06-01 | 1983-11-10 | Tampella Oy Ab | Saett att styra foerbraenningen av en till sin kemiska komposition varierande braennlut i sodapannan |
SE452482B (sv) * | 1982-04-28 | 1987-11-30 | Sunds Defibrator | Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad |
SE8204266L (sv) * | 1982-07-12 | 1984-01-13 | Korsnaes Marma Ab | Forfarande for teckande av kemikalieforlusterna vid massaframstellning |
US4470876A (en) * | 1982-07-22 | 1984-09-11 | Beaupre Marc F | Kraft overload recovery process |
FI66035B (fi) * | 1982-09-14 | 1984-04-30 | Rauma Repola Oy | Foerfarande foer foerbaettring av avdunstbarhet av avfallsvaetska uppstaodd under cellulosaframstaellningsprocess |
FI65375C (fi) * | 1982-09-20 | 1984-05-10 | Ekono Oy | Saett vid aoterkompressionsindunstning av en loesning |
SE8400904L (sv) * | 1984-02-20 | 1985-08-21 | Goetaverken Energy Syst Ab | Forfarande och anordning for senkning av viskositeten hos svartlut |
JPS6183391A (ja) * | 1984-09-26 | 1986-04-26 | 製紙技術研究組合 | 黒液濃縮方法 |
SE8502807D0 (sv) * | 1985-06-06 | 1985-06-06 | Ahlstroem Foeretagen | Sett och apparatur for att deaktivera avlutar |
-
1985
- 1985-11-29 FI FI854732A patent/FI75615C/sv not_active IP Right Cessation
-
1986
- 1986-11-24 WO PCT/FI1986/000133 patent/WO1987003315A1/en active Application Filing
- 1986-11-24 JP JP61506274A patent/JPS63502674A/ja active Granted
- 1986-11-24 BR BR8607216A patent/BR8607216A/pt not_active IP Right Cessation
- 1986-11-27 CS CS868786A patent/CS273179B2/cs unknown
- 1986-11-28 PT PT83838A patent/PT83838B/pt not_active IP Right Cessation
- 1986-11-28 CA CA000524062A patent/CA1288203C/en not_active Expired - Lifetime
- 1986-11-28 FR FR868616691A patent/FR2593528B1/fr not_active Expired - Fee Related
- 1986-11-28 PL PL1986262650A patent/PL155015B1/pl unknown
-
1988
- 1988-05-25 SE SE8801948A patent/SE466756B/sv not_active IP Right Cessation
- 1988-05-27 SU SU884355885A patent/SU1720498A3/ru active
-
1989
- 1989-02-17 US US07/312,424 patent/US4929307A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
PL262650A1 (en) | 1987-11-02 |
PT83838A (en) | 1986-12-01 |
CS273179B2 (en) | 1991-03-12 |
FR2593528A1 (fr) | 1987-07-31 |
PT83838B (pt) | 1988-10-14 |
JPH0248677B2 (sv) | 1990-10-25 |
CA1288203C (en) | 1991-09-03 |
FR2593528B1 (fr) | 1990-03-30 |
SE466756B (sv) | 1992-03-30 |
PL155015B1 (en) | 1991-10-31 |
WO1987003315A1 (en) | 1987-06-04 |
JPS63502674A (ja) | 1988-10-06 |
BR8607216A (pt) | 1988-11-01 |
CS868786A2 (en) | 1990-06-13 |
SE8801948D0 (sv) | 1988-05-25 |
FI75615C (sv) | 1991-08-26 |
FI854732A0 (fi) | 1985-11-29 |
US4929307A (en) | 1990-05-29 |
FI75615B (fi) | 1988-03-31 |
SU1720498A3 (ru) | 1992-03-15 |
FI854732A (fi) | 1987-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |