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 blekmedel

Info

Publication number: SE435302B
Authority: SE; Sweden
Prior art keywords: lye; compounds; sulphur; brine; digestion
Prior art date: 1974-10-08

Application number

SE7412638A

Other languages

English (en)

Swedish (sv)

Other versions

SE7412638L (sv

Inventor

N Mannbro

Original Assignee

Mannbro Sys Hb

Priority date (The priority date 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 date listed.)

1974-10-08

Filing date

1974-10-08

Publication date

1984-09-17

1974-10-08 Application filed by Mannbro Sys Hb filed Critical Mannbro Sys Hb

1974-10-08 Priority to SE7412638A priority Critical patent/SE435302B/xx

1975-10-06 Priority to CA237,121A priority patent/CA1064206A/fr

1976-04-09 Publication of SE7412638L publication Critical patent/SE7412638L/xx

1984-09-17 Publication of SE435302B publication Critical patent/SE435302B/xx

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)

SE7412638A 1974-10-08 1974-10-08 Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel SE435302B (sv)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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1995-01-31

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