SE466756B - Foerfarande foer saenkning av viskositeten hos svartlut - Google Patents
Foerfarande foer saenkning av viskositeten hos svartlutInfo
- Publication number
- SE466756B SE466756B SE8801948A SE8801948A SE466756B SE 466756 B SE466756 B SE 466756B SE 8801948 A SE8801948 A SE 8801948A SE 8801948 A SE8801948 A SE 8801948A SE 466756 B SE466756 B SE 466756B
- Authority
- SE
- Sweden
- Prior art keywords
- viscosity
- black liquor
- temperature
- boiling
- black
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 9
- 229920005610 lignin Polymers 0.000 claims description 9
- 238000010411 cooking Methods 0.000 claims description 8
- 238000003776 cleavage reaction Methods 0.000 claims description 7
- 230000007017 scission Effects 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 229920001021 polysulfide Polymers 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 20
- 230000000694 effects Effects 0.000 description 6
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 229910052979 sodium sulfide Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 150000004763 sulfides Chemical group 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
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 (fi) | 1985-11-29 | 1985-11-29 | Foerfarande foer saenkning 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 SE8801948L (sv) | 1988-05-25 |
| SE8801948D0 SE8801948D0 (sv) | 1988-05-25 |
| SE466756B true 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 (enExample) |
| JP (1) | JPS63502674A (enExample) |
| BR (1) | BR8607216A (enExample) |
| CA (1) | CA1288203C (enExample) |
| CS (1) | CS273179B2 (enExample) |
| FI (1) | FI75615C (enExample) |
| FR (1) | FR2593528B1 (enExample) |
| PL (1) | PL155015B1 (enExample) |
| PT (1) | PT83838B (enExample) |
| SE (1) | SE466756B (enExample) |
| SU (1) | SU1720498A3 (enExample) |
| WO (1) | WO1987003315A1 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI85515C (fi) * | 1990-07-09 | 1996-04-10 | Ahlstroem Oy | Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet |
| FI87092C (fi) * | 1990-11-07 | 1992-11-25 | Ahlstroem Oy | Foerfarande foer 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 |
| AU1765892A (en) * | 1991-02-06 | 1992-09-07 | A. Ahlstrom Corporation | A method of recovering energy and chemicals from black liquor |
| FI92226B (fi) * | 1991-04-15 | 1994-06-30 | Ahlstroem Oy | Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla |
| US5213662A (en) * | 1991-08-14 | 1993-05-25 | Kamyr, Inc. | Treatment of chips with high temperature black liquor to reduce black liquor viscosity |
| FI92725C (fi) * | 1991-09-09 | 1994-12-27 | Ahlstroem Oy | Menetelmä keittolipeän valmistamiseksi |
| US5234546A (en) * | 1991-09-10 | 1993-08-10 | Kamyr, Inc. | Polysulfide production in white liquor |
| FI95822C (fi) * | 1991-09-27 | 1996-03-25 | Ahlstroem Oy | Soodakattilan tai vastaavan kattilan sulan käsittely |
| 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 |
| US9567360B2 (en) * | 2010-07-07 | 2017-02-14 | Stora Enso Oyj | Process for production of precipitated lignin from black liquor and precipitated lignin produced by the process |
| JP7280563B2 (ja) * | 2017-06-30 | 2023-05-24 | 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 (enExample) * | 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 (enExample) * | 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/fi not_active IP Right Cessation
-
1986
- 1986-11-24 BR BR8607216A patent/BR8607216A/pt not_active IP Right Cessation
- 1986-11-24 WO PCT/FI1986/000133 patent/WO1987003315A1/en not_active Ceased
- 1986-11-24 JP JP61506274A patent/JPS63502674A/ja active Granted
- 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 |
|---|---|
| FR2593528A1 (fr) | 1987-07-31 |
| FI75615B (fi) | 1988-03-31 |
| SU1720498A3 (ru) | 1992-03-15 |
| FR2593528B1 (fr) | 1990-03-30 |
| JPS63502674A (ja) | 1988-10-06 |
| SE8801948L (sv) | 1988-05-25 |
| CA1288203C (en) | 1991-09-03 |
| FI854732A0 (fi) | 1985-11-29 |
| US4929307A (en) | 1990-05-29 |
| WO1987003315A1 (en) | 1987-06-04 |
| BR8607216A (pt) | 1988-11-01 |
| PT83838B (pt) | 1988-10-14 |
| PL262650A1 (en) | 1987-11-02 |
| PT83838A (en) | 1986-12-01 |
| JPH0248677B2 (enExample) | 1990-10-25 |
| CS868786A2 (en) | 1990-06-13 |
| PL155015B1 (en) | 1991-10-31 |
| FI75615C (fi) | 1991-08-26 |
| SE8801948D0 (sv) | 1988-05-25 |
| CS273179B2 (en) | 1991-03-12 |
| FI854732L (fi) | 1987-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |