SE0103241D0 - Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam - Google Patents
Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steamInfo
- Publication number
- SE0103241D0 SE0103241D0 SE0103241A SE0103241A SE0103241D0 SE 0103241 D0 SE0103241 D0 SE 0103241D0 SE 0103241 A SE0103241 A SE 0103241A SE 0103241 A SE0103241 A SE 0103241A SE 0103241 D0 SE0103241 D0 SE 0103241D0
- Authority
- SE
- Sweden
- Prior art keywords
- steam
- sodium
- sodium carbonate
- substantially pure
- recovery
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 6
- 238000004537 pulping Methods 0.000 title abstract 3
- 239000000126 substance Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000011084 recovery Methods 0.000 title abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 title abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 6
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 3
- 239000004291 sulphur dioxide Substances 0.000 abstract 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 238000010411 cooking Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 238000002386 leaching Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 2
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 abstract 2
- 235000011152 sodium sulphate Nutrition 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 238000002309 gasification Methods 0.000 abstract 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
- D21C11/12—Combustion of pulp liquors
- D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
-
- 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
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
Landscapes
- Paper (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0103241A SE0103241D0 (sv) | 2001-09-28 | 2001-09-28 | Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam |
| PCT/SE2002/001556 WO2003027384A1 (en) | 2001-09-28 | 2002-09-02 | Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam |
| US10/487,071 US20040194900A1 (en) | 2001-09-28 | 2002-09-02 | Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam |
| SE0400395A SE526435C2 (sv) | 2001-09-28 | 2004-02-20 | Metod för återvinnande av massakemikalier i ett alkaliskt sulfitmassaförfarande och för framställning av ånga |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0103241A SE0103241D0 (sv) | 2001-09-28 | 2001-09-28 | Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE0103241D0 true SE0103241D0 (sv) | 2001-09-28 |
Family
ID=20285486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0103241A SE0103241D0 (sv) | 2001-09-28 | 2001-09-28 | Method for recovery of pulping chemicals in an alkaline sulphite pulping process and for production of steam |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20040194900A1 (sv) |
| SE (1) | SE0103241D0 (sv) |
| WO (1) | WO2003027384A1 (sv) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371527C (zh) * | 2005-03-09 | 2008-02-27 | 宁夏紫金花纸业有限公司 | 以沙柳为原料制浆抄造生活用纸的方法 |
| DE102007036380A1 (de) * | 2007-07-31 | 2009-02-05 | Voith Patent Gmbh | Verfahren und Anlage zur Aufbereitung der Ablauge eines Sulfitverfahrens |
| EP3124501A1 (en) * | 2009-03-09 | 2017-02-01 | TreeToTextile AB | Shaped cellulose manufacturing process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE175928C1 (sv) * | 1961-01-01 | |||
| CA868884A (en) * | 1968-08-21 | 1971-04-20 | Pulp And Paper Research Institute Of Canada | Method for the production of activated carbon |
| US3676064A (en) * | 1970-04-16 | 1972-07-11 | Owens Illinois Inc | Methods for the treatment of spent sulfite pulping liquors and the recovery of chemical pulping values therefrom |
| US3954552A (en) * | 1974-08-05 | 1976-05-04 | Erco Envirotech Ltd. | Removal of sodium chloride from pulp mill systems |
| US4148684A (en) * | 1976-11-08 | 1979-04-10 | Mei Systems Inc. | Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations |
| US5302246A (en) * | 1992-07-30 | 1994-04-12 | Kamyr, Inc. | Method of managing liquid steams in a pulp mill |
| SE503455C2 (sv) * | 1993-09-27 | 1996-06-17 | Kvaerner Pulping Tech | Beredning av sulfitinnehållande kokvätska och användning av kokvätskan för förimpregnering |
-
2001
- 2001-09-28 SE SE0103241A patent/SE0103241D0/sv unknown
-
2002
- 2002-09-02 WO PCT/SE2002/001556 patent/WO2003027384A1/en not_active Ceased
- 2002-09-02 US US10/487,071 patent/US20040194900A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003027384A1 (en) | 2003-04-03 |
| US20040194900A1 (en) | 2004-10-07 |
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