FI951739A0 - Menetelmä viherlipeän sisältämän sulfidin jakamiseksi korkea- ja vastaavasti matalasulfidisten valkolipeiden tuottamiseksi - Google Patents
Menetelmä viherlipeän sisältämän sulfidin jakamiseksi korkea- ja vastaavasti matalasulfidisten valkolipeiden tuottamiseksiInfo
- Publication number
- FI951739A0 FI951739A0 FI951739A FI951739A FI951739A0 FI 951739 A0 FI951739 A0 FI 951739A0 FI 951739 A FI951739 A FI 951739A FI 951739 A FI951739 A FI 951739A FI 951739 A0 FI951739 A0 FI 951739A0
- Authority
- FI
- Finland
- Prior art keywords
- sulphide
- dividing
- produce high
- green liquor
- low
- 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
-
- 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
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203005A SE500748C2 (sv) | 1992-10-12 | 1992-10-12 | Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut |
SE9203005 | 1992-10-12 | ||
SE9300782 | 1993-03-10 | ||
PCT/SE1993/000782 WO1994009204A1 (en) | 1992-10-12 | 1993-09-29 | Process for dividing the sulphide content of the green liquor for the production of white liquors having high and low sulphidity respectively |
Publications (3)
Publication Number | Publication Date |
---|---|
FI951739A FI951739A (fi) | 1995-04-12 |
FI951739A0 true FI951739A0 (fi) | 1995-04-12 |
FI118349B FI118349B (fi) | 2007-10-15 |
Family
ID=20387466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI951739A FI118349B (fi) | 1992-10-12 | 1995-04-12 | Menetelmä viherlipeän sisältämän sulfidin jakamiseksi korkea- ja vastaavasti matalasulfidisten valkolipeiden tuottamiseksi |
Country Status (11)
Country | Link |
---|---|
US (1) | US5607548A (fi) |
EP (1) | EP0663971A1 (fi) |
JP (1) | JPH08502102A (fi) |
AU (1) | AU674035B2 (fi) |
BR (1) | BR9307224A (fi) |
CA (1) | CA2146655A1 (fi) |
FI (1) | FI118349B (fi) |
NO (1) | NO951396L (fi) |
RU (1) | RU95109841A (fi) |
SE (1) | SE500748C2 (fi) |
WO (1) | WO1994009204A1 (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI95608B (fi) * | 1994-06-17 | 1995-11-15 | Ahlstroem Oy | Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä |
SE507033C2 (sv) * | 1995-07-04 | 1998-03-16 | Kvaerner Pulping Tech | Framställning av polysulfid genom oxidation av sulfid i grönlut |
US6074521A (en) * | 1995-07-11 | 2000-06-13 | Ahlstrom Machinery Oy | Method of separating impurities from lime and lime sludge |
FI105929B (fi) * | 1996-05-30 | 2000-10-31 | Sunds Defibrator Pori Oy | Parannettu erämenetelmä sulfaattiselluloosan valmistamiseksi |
US6348128B1 (en) * | 1998-06-01 | 2002-02-19 | U.S. Borax Inc. | Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition |
US6294048B1 (en) * | 1998-06-01 | 2001-09-25 | U.S. Borax Inc. | Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate |
SE524247C2 (sv) * | 2002-11-25 | 2004-07-13 | Kvaerner Pulping Tech | Metod vid produktion av grönlut |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1906886A (en) * | 1927-11-23 | 1933-05-02 | Brown Co | Process of recovering and utilizing the valuable compounds in spent cooking liquors |
US3617434A (en) * | 1967-05-31 | 1971-11-02 | Mitsubishi Heavy Ind Ltd | Regeneration of cooking chemicals from spent alkaline cooking liquor |
CA923256A (en) * | 1969-12-30 | 1973-03-27 | H. Rapson William | Chemical recovery process |
FI53728C (fi) * | 1974-03-12 | 1978-07-10 | Ahlstroem Oy | Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning |
SE456254B (sv) * | 1987-02-12 | 1988-09-19 | Korsnes Ab | Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning |
-
1992
- 1992-10-12 SE SE9203005A patent/SE500748C2/sv not_active IP Right Cessation
-
1993
- 1993-09-29 JP JP6509892A patent/JPH08502102A/ja active Pending
- 1993-09-29 US US08/397,253 patent/US5607548A/en not_active Expired - Lifetime
- 1993-09-29 RU RU95109841/12A patent/RU95109841A/ru unknown
- 1993-09-29 BR BR9307224A patent/BR9307224A/pt not_active Application Discontinuation
- 1993-09-29 AU AU52880/93A patent/AU674035B2/en not_active Expired - Fee Related
- 1993-09-29 CA CA002146655A patent/CA2146655A1/en not_active Abandoned
- 1993-09-29 EP EP93923077A patent/EP0663971A1/en not_active Ceased
- 1993-09-29 WO PCT/SE1993/000782 patent/WO1994009204A1/en not_active Application Discontinuation
-
1995
- 1995-04-10 NO NO951396A patent/NO951396L/no unknown
- 1995-04-12 FI FI951739A patent/FI118349B/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0663971A1 (en) | 1995-07-26 |
AU674035B2 (en) | 1996-12-05 |
SE9203005L (sv) | 1994-04-13 |
NO951396D0 (no) | 1995-04-10 |
BR9307224A (pt) | 1999-05-25 |
AU5288093A (en) | 1994-05-09 |
SE500748C2 (sv) | 1994-08-22 |
RU95109841A (ru) | 1997-04-10 |
FI951739A (fi) | 1995-04-12 |
JPH08502102A (ja) | 1996-03-05 |
FI118349B (fi) | 2007-10-15 |
SE9203005D0 (sv) | 1992-10-12 |
CA2146655A1 (en) | 1994-04-28 |
NO951396L (no) | 1995-04-10 |
US5607548A (en) | 1997-03-04 |
WO1994009204A1 (en) | 1994-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer of assignment of patent |
Owner name: KVAERNER PULPING AB Free format text: KVAERNER PULPING AB |
|
PC | Transfer of assignment of patent |
Owner name: METSO FIBER KARLSTAD AB Free format text: METSO FIBER KARLSTAD AB |
|
FG | Patent granted |
Ref document number: 118349 Country of ref document: FI |
|
MA | Patent expired |