SE435302B - Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel - Google Patents
Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedelInfo
- Publication number
- SE435302B SE435302B SE7412638A SE7412638A SE435302B SE 435302 B SE435302 B SE 435302B SE 7412638 A SE7412638 A SE 7412638A SE 7412638 A SE7412638 A SE 7412638A SE 435302 B SE435302 B SE 435302B
- Authority
- SE
- Sweden
- Prior art keywords
- lye
- compounds
- sulphur
- brine
- digestion
- Prior art date
Links
- 239000007844 bleaching agent Substances 0.000 title 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical class [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 6
- 239000012267 brine Substances 0.000 abstract 5
- 230000029087 digestion Effects 0.000 abstract 5
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 4
- 150000001805 chlorine compounds Chemical class 0.000 abstract 4
- 230000003647 oxidation Effects 0.000 abstract 4
- 238000007254 oxidation reaction Methods 0.000 abstract 4
- 239000005864 Sulphur Substances 0.000 abstract 3
- 238000002485 combustion reaction Methods 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 3
- 238000004061 bleaching Methods 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 2
- 230000008020 evaporation Effects 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 241001313185 Colias hecla Species 0.000 abstract 1
- 239000007832 Na2SO4 Substances 0.000 abstract 1
- 241001474728 Satyrodes eurydice Species 0.000 abstract 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 abstract 1
- 239000002657 fibrous material Substances 0.000 abstract 1
- 238000009896 oxidative bleaching Methods 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 229910052979 sodium sulfide Inorganic materials 0.000 abstract 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- 235000010265 sodium sulphite Nutrition 0.000 abstract 1
- 239000000126 substance Substances 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
- D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
-
- 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
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
-
- 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
-
- 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
Landscapes
- Paper (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7412638A SE435302B (sv) | 1974-10-08 | 1974-10-08 | Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel |
| CA237,121A CA1064206A (fr) | 1974-10-08 | 1975-10-06 | Methode de recuperation de substances par l'extraction de solutions usees de la delignification de matieres lignocellulosiques au moyen d'agents de blanchiment generateurs de chlorure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7412638A SE435302B (sv) | 1974-10-08 | 1974-10-08 | Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7412638L SE7412638L (sv) | 1976-04-09 |
| SE435302B true SE435302B (sv) | 1984-09-17 |
Family
ID=20322352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7412638A SE435302B (sv) | 1974-10-08 | 1974-10-08 | Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1064206A (fr) |
| SE (1) | SE435302B (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5989387A (en) * | 1993-07-23 | 1999-11-23 | Tampella Power Oy | Method for controlling chloride concentration in the flue gas of a recovery boiler |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE470538C (sv) * | 1992-12-02 | 1996-02-26 | Kvaerner Pulping Tech | Sätt vid blekning av massa utan användning av klorhaltiga kemikalier |
| SE501613C2 (sv) * | 1993-08-03 | 1995-03-27 | Kvaerner Pulping Tech | Sätt vid integrering av blekning och återvinning vid framställning av massa |
| SE9400016L (sv) * | 1994-01-04 | 1995-07-05 | Nils Mannbro | Återvinningsprocess för blekning av pappersmassa |
| FI115229B (fi) * | 1995-11-06 | 2005-03-31 | Kvaerner Power Oy | Menetelmä sellutehtaan voimakattilan korroosion vähentämiseksi |
-
1974
- 1974-10-08 SE SE7412638A patent/SE435302B/xx not_active IP Right Cessation
-
1975
- 1975-10-06 CA CA237,121A patent/CA1064206A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5989387A (en) * | 1993-07-23 | 1999-11-23 | Tampella Power Oy | Method for controlling chloride concentration in the flue gas of a recovery boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| SE7412638L (sv) | 1976-04-09 |
| CA1064206A (fr) | 1979-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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