CA1064206A - 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 - Google Patents
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 chlorureInfo
- Publication number
- CA1064206A CA1064206A CA237,121A CA237121A CA1064206A CA 1064206 A CA1064206 A CA 1064206A CA 237121 A CA237121 A CA 237121A CA 1064206 A CA1064206 A CA 1064206A
- Authority
- CA
- Canada
- Prior art keywords
- lye
- brine
- bleaching
- stock
- chlorine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- D21C11/0014—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)
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 (1)
Publication Number | Publication Date |
---|---|
CA1064206A true CA1064206A (fr) | 1979-10-16 |
Family
ID=20322352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA237,121A Expired 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 |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1064206A (fr) |
SE (1) | SE435302B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995004188A1 (fr) * | 1993-08-03 | 1995-02-09 | Kvaerner Pulping Technologies Ab | Procede integrant le blanchiment et la recuperation dans la production de pate a papier |
WO1995018884A1 (fr) * | 1994-01-04 | 1995-07-13 | Nils Mannbro | Procede de recuperation de substances chimiques et d'energie provenant d'effluents de blanchiment de pate a papier |
AU681613B2 (en) * | 1992-12-02 | 1997-09-04 | Kvaerner Pulping Technologies Ab | Method of bleaching pulp without using chlorine-containing chemicals |
US5855736A (en) * | 1995-11-06 | 1999-01-05 | Kvaerner Pulping Oy | Method of reducing corrosion in a power boiler of a pulp mill |
US5989387A (en) * | 1993-07-23 | 1999-11-23 | Tampella Power Oy | Method for controlling chloride concentration in the flue gas of a recovery boiler |
-
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 (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU681613B2 (en) * | 1992-12-02 | 1997-09-04 | Kvaerner Pulping Technologies Ab | Method of bleaching pulp without using chlorine-containing chemicals |
US6336994B1 (en) | 1992-12-02 | 2002-01-08 | Kvaerner Pulping Aktiebolag | Totally chlorine free bleaching process using recovered filtrate |
US5989387A (en) * | 1993-07-23 | 1999-11-23 | Tampella Power Oy | Method for controlling chloride concentration in the flue gas of a recovery boiler |
WO1995004188A1 (fr) * | 1993-08-03 | 1995-02-09 | Kvaerner Pulping Technologies Ab | Procede integrant le blanchiment et la recuperation dans la production de pate a papier |
WO1995018884A1 (fr) * | 1994-01-04 | 1995-07-13 | Nils Mannbro | Procede de recuperation de substances chimiques et d'energie provenant d'effluents de blanchiment de pate a papier |
US5855736A (en) * | 1995-11-06 | 1999-01-05 | Kvaerner Pulping Oy | Method of reducing corrosion in a power boiler of a pulp mill |
Also Published As
Publication number | Publication date |
---|---|
SE435302B (sv) | 1984-09-17 |
SE7412638L (sv) | 1976-04-09 |
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