SE469842C - Blekning av kemisk massa med peroxid - Google Patents
Blekning av kemisk massa med peroxidInfo
- Publication number
- SE469842C SE469842C SE9200152A SE9200152A SE469842C SE 469842 C SE469842 C SE 469842C SE 9200152 A SE9200152 A SE 9200152A SE 9200152 A SE9200152 A SE 9200152A SE 469842 C SE469842 C SE 469842C
- Authority
- SE
- Sweden
- Prior art keywords
- pulp
- bleaching
- peroxide
- complexing agent
- ton
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title claims abstract description 20
- 150000002978 peroxides Chemical class 0.000 title claims abstract description 17
- 229920001131 Pulp (paper) Polymers 0.000 title 1
- 239000008139 complexing agent Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 5
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 4
- 239000007844 bleaching agent Substances 0.000 claims abstract 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000460 chlorine Substances 0.000 claims abstract 2
- 229910052801 chlorine Inorganic materials 0.000 claims abstract 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 claims description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 241000218657 Picea Species 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 235000018185 Betula X alpestris Nutrition 0.000 description 1
- 235000018212 Betula X uliginosa Nutrition 0.000 description 1
- 235000008566 Pinus taeda Nutrition 0.000 description 1
- 241000218679 Pinus taeda Species 0.000 description 1
- 229910020169 SiOa Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9200152A SE469842C (sv) | 1992-01-21 | 1992-01-21 | Blekning av kemisk massa med peroxid |
AT93902618T ATE151826T1 (de) | 1992-01-21 | 1993-01-12 | Bleichen von chemischem zellstoff |
CA002124088A CA2124088A1 (en) | 1992-01-21 | 1993-01-12 | Bleaching of chemical pulp |
BR9305761A BR9305761A (pt) | 1992-01-21 | 1993-01-12 | Processo de alvejamento de polpa de sulfato |
PCT/SE1993/000012 WO1993014262A1 (en) | 1992-01-21 | 1993-01-12 | Bleaching of chemical pulp |
AU34125/93A AU653467B2 (en) | 1992-01-21 | 1993-01-12 | Bleaching of sulphate pulp |
DE69309893T DE69309893T2 (de) | 1992-01-21 | 1993-01-12 | Bleichen von chemischem zellstoff |
JP5512379A JPH07503042A (ja) | 1992-01-21 | 1993-01-12 | 化学パルプの漂白 |
NZ246713A NZ246713A (en) | 1992-01-21 | 1993-01-12 | Bleaching of sulphate pulp comprising: oxygen delignification, pretreatment with complexing agent, washing then dewatering, and alkaline peroxide bleaching in presence of silicate or an organic complexing agent |
EP93902618A EP0621915B1 (en) | 1992-01-21 | 1993-01-12 | Bleaching of chemical pulp |
ES93902618T ES2102008T3 (es) | 1992-01-21 | 1993-01-12 | Blanqueo de pasta papelera quimica. |
ZA93317A ZA93317B (en) | 1992-01-21 | 1993-01-18 | Bleaching of chemical pulp |
FI943431A FI943431A0 (fi) | 1992-01-21 | 1994-07-20 | Kemiallisen massan valkaisu |
NO942718A NO942718L (no) | 1992-01-21 | 1994-07-20 | Bleking av kjemisk masse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9200152A SE469842C (sv) | 1992-01-21 | 1992-01-21 | Blekning av kemisk massa med peroxid |
Publications (4)
Publication Number | Publication Date |
---|---|
SE9200152D0 SE9200152D0 (sv) | 1992-01-21 |
SE9200152L SE9200152L (sv) | 1993-07-22 |
SE469842B SE469842B (sv) | 1993-09-27 |
SE469842C true SE469842C (sv) | 1996-01-15 |
Family
ID=20385065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9200152A SE469842C (sv) | 1992-01-21 | 1992-01-21 | Blekning av kemisk massa med peroxid |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0621915B1 (no) |
JP (1) | JPH07503042A (no) |
AT (1) | ATE151826T1 (no) |
AU (1) | AU653467B2 (no) |
BR (1) | BR9305761A (no) |
CA (1) | CA2124088A1 (no) |
DE (1) | DE69309893T2 (no) |
ES (1) | ES2102008T3 (no) |
FI (1) | FI943431A0 (no) |
NO (1) | NO942718L (no) |
NZ (1) | NZ246713A (no) |
SE (1) | SE469842C (no) |
WO (1) | WO1993014262A1 (no) |
ZA (1) | ZA93317B (no) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1004674A3 (fr) * | 1991-03-11 | 1993-01-12 | Interox Internat Sa | Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft. |
BE1006056A3 (fr) * | 1992-07-06 | 1994-05-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
SE501253C2 (sv) * | 1993-06-08 | 1994-12-19 | Kvaerner Pulping Tech | Klorfri blekning av kemisk pappersmassa |
SE9301960L (sv) * | 1993-06-08 | 1994-07-25 | Kvaerner Pulping Tech | Blekning av kemisk massa med peroxid vid övertryck |
AU7720094A (en) * | 1993-09-02 | 1995-03-22 | Union Camp Patent Holding, Inc. | Improved method for bleaching lignocellulosic pulp |
BE1007757A3 (fr) * | 1993-11-10 | 1995-10-17 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
FR2719854B1 (fr) * | 1994-05-11 | 1996-06-21 | Atochem Elf Sa | Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies. |
SE514697C2 (sv) * | 1994-08-31 | 2001-04-02 | Valmet Fibertech Ab | Eliminering av metalljoner vid blekning av massa |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8620222D0 (en) * | 1986-08-20 | 1986-10-01 | Abitibi Price Inc | Peroxide bleaching |
US4732650A (en) * | 1986-09-15 | 1988-03-22 | The Dow Chemical Company | Bleaching of cellulosic pulps using hydrogen peroxide |
DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
FI93866B (fi) * | 1990-02-09 | 1995-02-28 | Sunds Defibrator Rauma Oy | Menetelmä sulfaattimassan valmistamiseksi |
-
1992
- 1992-01-21 SE SE9200152A patent/SE469842C/sv unknown
-
1993
- 1993-01-12 ES ES93902618T patent/ES2102008T3/es not_active Expired - Lifetime
- 1993-01-12 DE DE69309893T patent/DE69309893T2/de not_active Expired - Fee Related
- 1993-01-12 WO PCT/SE1993/000012 patent/WO1993014262A1/en active IP Right Grant
- 1993-01-12 BR BR9305761A patent/BR9305761A/pt not_active Application Discontinuation
- 1993-01-12 NZ NZ246713A patent/NZ246713A/en unknown
- 1993-01-12 JP JP5512379A patent/JPH07503042A/ja active Pending
- 1993-01-12 EP EP93902618A patent/EP0621915B1/en not_active Expired - Lifetime
- 1993-01-12 AT AT93902618T patent/ATE151826T1/de not_active IP Right Cessation
- 1993-01-12 CA CA002124088A patent/CA2124088A1/en not_active Abandoned
- 1993-01-12 AU AU34125/93A patent/AU653467B2/en not_active Ceased
- 1993-01-18 ZA ZA93317A patent/ZA93317B/xx unknown
-
1994
- 1994-07-20 NO NO942718A patent/NO942718L/no unknown
- 1994-07-20 FI FI943431A patent/FI943431A0/fi unknown
Also Published As
Publication number | Publication date |
---|---|
AU653467B2 (en) | 1994-09-29 |
FI943431A (fi) | 1994-07-20 |
ES2102008T3 (es) | 1997-07-16 |
NO942718D0 (no) | 1994-07-20 |
EP0621915B1 (en) | 1997-04-16 |
ATE151826T1 (de) | 1997-05-15 |
DE69309893D1 (de) | 1997-05-22 |
BR9305761A (pt) | 1997-01-28 |
ZA93317B (en) | 1993-08-19 |
NZ246713A (en) | 1995-04-27 |
SE9200152D0 (sv) | 1992-01-21 |
SE9200152L (sv) | 1993-07-22 |
FI943431A0 (fi) | 1994-07-20 |
NO942718L (no) | 1994-07-20 |
WO1993014262A1 (en) | 1993-07-22 |
EP0621915A1 (en) | 1994-11-02 |
JPH07503042A (ja) | 1995-03-30 |
AU3412593A (en) | 1993-08-03 |
CA2124088A1 (en) | 1993-07-22 |
SE469842B (sv) | 1993-09-27 |
DE69309893T2 (de) | 1997-11-06 |
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