FI991233A0 - Menetelmä ja laitteisto kaustisointiprosessin säätämiseksi - Google Patents
Menetelmä ja laitteisto kaustisointiprosessin säätämiseksiInfo
- Publication number
- FI991233A0 FI991233A0 FI991233A FI991233A FI991233A0 FI 991233 A0 FI991233 A0 FI 991233A0 FI 991233 A FI991233 A FI 991233A FI 991233 A FI991233 A FI 991233A FI 991233 A0 FI991233 A0 FI 991233A0
- Authority
- FI
- Finland
- Prior art keywords
- causticizing
- adjusting
- slaking
- causticization process
- lime
- 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Paper (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI991233A FI114813B (fi) | 1999-05-31 | 1999-05-31 | Menetelmä ja laitteisto kaustisointiprosessin säätämiseksi |
AU47622/00A AU4762200A (en) | 1999-05-31 | 2000-05-31 | Method and apparatus for controlling a causticizing process |
AT00929599T ATE553248T1 (de) | 1999-05-31 | 2000-05-31 | Verfahren und vorrichtung zur steuerung eines kaustifizierungsverfahrens |
EP00929599A EP1244843B1 (en) | 1999-05-31 | 2000-05-31 | Method and apparatus for controlling a causticizing process |
CA2374907A CA2374907C (en) | 1999-05-31 | 2000-05-31 | Method and apparatus for controlling a causticizing process |
PCT/FI2000/000489 WO2000073577A1 (en) | 1999-05-31 | 2000-05-31 | Method and apparatus for controlling a causticizing process |
US10/003,574 US7919067B2 (en) | 1999-05-31 | 2001-10-24 | Method and apparatus for controlling a causticizing process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI991233A FI114813B (fi) | 1999-05-31 | 1999-05-31 | Menetelmä ja laitteisto kaustisointiprosessin säätämiseksi |
FI991233 | 1999-05-31 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI991233A0 true FI991233A0 (fi) | 1999-05-31 |
FI991233A FI991233A (fi) | 2000-12-01 |
FI114813B FI114813B (fi) | 2004-12-31 |
Family
ID=8554770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI991233A FI114813B (fi) | 1999-05-31 | 1999-05-31 | Menetelmä ja laitteisto kaustisointiprosessin säätämiseksi |
Country Status (7)
Country | Link |
---|---|
US (1) | US7919067B2 (fi) |
EP (1) | EP1244843B1 (fi) |
AT (1) | ATE553248T1 (fi) |
AU (1) | AU4762200A (fi) |
CA (1) | CA2374907C (fi) |
FI (1) | FI114813B (fi) |
WO (1) | WO2000073577A1 (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI127910B (fi) | 2016-09-16 | 2019-05-15 | Valmet Automation Oy | Menetelmä ja järjestelmä viherlipeän laadun optimoimiseksi |
EP3619356A4 (en) * | 2017-05-03 | 2021-01-06 | FPInnovations | VENT COLUMN TEMPERATURE AS A VARIABLE BY DIRECT ACTION FOR A TTA SALT DISSOLVER CONTROL |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE432000B (sv) | 1978-07-18 | 1984-03-12 | Mo Och Domsjoe Ab | Forfarande for reglering av kausticeringsgraden vid framstellning av vitlut jemte anordning for utforande av forfarandet |
DK424281A (da) | 1981-09-25 | 1983-03-26 | Kemotron A S | Fremgangsmaade til styring af hvidluds egenskaber |
FI72156C (fi) * | 1985-03-19 | 1987-04-13 | Enso Gutzeit Oy | Kausticeringsfoerfarande. |
US5213663A (en) | 1991-07-22 | 1993-05-25 | The Foxboro Company | Method for controlling the sodium carbonate concentration of green liquor in the dissolving tank |
US5282931A (en) * | 1992-07-08 | 1994-02-01 | Pulp And Paper Research Institute Of Canada | Determination and control of effective alkali in kraft liquors by IR spectroscopy |
US5616214A (en) * | 1995-09-12 | 1997-04-01 | Pulp And Paper Research Institute Of Canada | Determination of sodium sulfide and sulfidity in green liquors and smelt solutions |
US5822220A (en) | 1996-09-03 | 1998-10-13 | Fisher-Rosemount Systems, Inc. | Process for controlling the efficiency of the causticizing process |
-
1999
- 1999-05-31 FI FI991233A patent/FI114813B/fi not_active IP Right Cessation
-
2000
- 2000-05-31 WO PCT/FI2000/000489 patent/WO2000073577A1/en active Application Filing
- 2000-05-31 EP EP00929599A patent/EP1244843B1/en not_active Revoked
- 2000-05-31 AU AU47622/00A patent/AU4762200A/en not_active Abandoned
- 2000-05-31 CA CA2374907A patent/CA2374907C/en not_active Expired - Lifetime
- 2000-05-31 AT AT00929599T patent/ATE553248T1/de active
-
2001
- 2001-10-24 US US10/003,574 patent/US7919067B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2374907A1 (en) | 2000-12-07 |
ATE553248T1 (de) | 2012-04-15 |
US7919067B2 (en) | 2011-04-05 |
EP1244843B1 (en) | 2012-04-11 |
AU4762200A (en) | 2000-12-18 |
US20020119083A1 (en) | 2002-08-29 |
FI991233A (fi) | 2000-12-01 |
CA2374907C (en) | 2011-03-15 |
WO2000073577A1 (en) | 2000-12-07 |
FI114813B (fi) | 2004-12-31 |
EP1244843A1 (en) | 2002-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MD | Opposition filed |
Opponent name: KVAERNER PULPING AB |
|
MD | Opposition filed |
Opponent name: ANDRITZ OY, PATENTTIOSASTO Opponent name: KVAERNER PULPING AB |
|
FG | Patent granted |
Ref document number: 114813 Country of ref document: FI Effective date: 20041231 |
|
RF | Appeal filed | ||
RFK | Appeal accepted | ||
RF | Appeal filed | ||
FCK | Appeal rejected |
Free format text: APPEAL REJECTED BY COURT |
|
MFDR | Revocation of patent |
Free format text: PATENT REVOCATED |