CA2275710C - Treatment of bleach plant filtrates with oxygen - Google Patents
Treatment of bleach plant filtrates with oxygen Download PDFInfo
- Publication number
- CA2275710C CA2275710C CA002275710A CA2275710A CA2275710C CA 2275710 C CA2275710 C CA 2275710C CA 002275710 A CA002275710 A CA 002275710A CA 2275710 A CA2275710 A CA 2275710A CA 2275710 C CA2275710 C CA 2275710C
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- residue liquid
- bleaching
- oxygen
- part flow
- 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 - Fee Related
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000001301 oxygen Substances 0.000 title claims abstract description 45
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 45
- 239000007844 bleaching agent Substances 0.000 title claims abstract description 19
- 239000000706 filtrate Substances 0.000 title description 8
- 239000007788 liquid Substances 0.000 claims abstract description 126
- 238000004061 bleaching Methods 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000009896 oxidative bleaching Methods 0.000 claims abstract description 12
- 229920003043 Cellulose fiber Polymers 0.000 claims abstract description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 20
- 229920001131 Pulp (paper) Polymers 0.000 claims description 15
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 9
- 229910001882 dioxygen Inorganic materials 0.000 claims description 9
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 8
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 8
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004155 Chlorine dioxide Substances 0.000 claims description 4
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000005406 washing Methods 0.000 description 40
- 239000000126 substance Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000004076 pulp bleaching Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 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
- D21C9/1026—Other features in bleaching processes
-
- 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
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9604802-0 | 1996-12-27 | ||
| SE9604802A SE9604802L (sv) | 1996-12-27 | 1996-12-27 | Förfarande för behandling av cellulosafibrer |
| PCT/SE1997/002214 WO1998029598A1 (en) | 1996-12-27 | 1997-12-23 | Treatment of bleach plant filtrates with oxygen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2275710A1 CA2275710A1 (en) | 1998-07-09 |
| CA2275710C true CA2275710C (en) | 2006-03-14 |
Family
ID=20405154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002275710A Expired - Fee Related CA2275710C (en) | 1996-12-27 | 1997-12-23 | Treatment of bleach plant filtrates with oxygen |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0950136B1 (de) |
| JP (1) | JP2001519858A (de) |
| AT (1) | ATE267288T1 (de) |
| AU (1) | AU5582598A (de) |
| BR (1) | BR9714440A (de) |
| CA (1) | CA2275710C (de) |
| DE (1) | DE69729215T2 (de) |
| NO (1) | NO325725B1 (de) |
| SE (1) | SE9604802L (de) |
| WO (1) | WO1998029598A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE522161C2 (sv) * | 1999-06-17 | 2004-01-20 | Kvaerner Pulping Tech | Förfarande och anordning för syrgasdelignifiering med förbättrad kappareduktion |
| FI117391B (fi) | 2000-05-16 | 2006-09-29 | Andritz Oy | Menetelmä ja laitteisto massan käsittelemiseksi |
| FI20065494A0 (fi) * | 2006-07-14 | 2006-07-14 | Linde Ag | Menetelmä suodoksen käsittelemiseksi hapella ja hapen käyttö suodoksen haitallisten komponenttien vähentämiseksi |
| FI126551B (fi) * | 2009-11-25 | 2017-02-15 | Andritz Oy | Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla |
| WO2015197917A1 (en) * | 2014-06-23 | 2015-12-30 | Metsä Fibre Oy | Method of delignifying fibrous suspensions of alkaline cooking |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0564443A1 (de) * | 1992-03-15 | 1993-10-06 | Kamyr, Inc. | Behandlung von Bleichabwässern |
| US5509999A (en) * | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
-
1996
- 1996-12-27 SE SE9604802A patent/SE9604802L/ not_active Application Discontinuation
-
1997
- 1997-12-23 DE DE69729215T patent/DE69729215T2/de not_active Expired - Fee Related
- 1997-12-23 WO PCT/SE1997/002214 patent/WO1998029598A1/en not_active Ceased
- 1997-12-23 CA CA002275710A patent/CA2275710C/en not_active Expired - Fee Related
- 1997-12-23 BR BR9714440A patent/BR9714440A/pt unknown
- 1997-12-23 AT AT97952166T patent/ATE267288T1/de not_active IP Right Cessation
- 1997-12-23 EP EP97952166A patent/EP0950136B1/de not_active Expired - Lifetime
- 1997-12-23 JP JP52992698A patent/JP2001519858A/ja active Pending
- 1997-12-23 AU AU55825/98A patent/AU5582598A/en not_active Abandoned
-
1999
- 1999-06-23 NO NO19993120A patent/NO325725B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69729215T2 (de) | 2005-05-25 |
| EP0950136A1 (de) | 1999-10-20 |
| ATE267288T1 (de) | 2004-06-15 |
| NO993120D0 (no) | 1999-06-23 |
| DE69729215D1 (de) | 2004-06-24 |
| EP0950136B1 (de) | 2004-05-19 |
| SE9604802D0 (sv) | 1996-12-27 |
| AU5582598A (en) | 1998-07-31 |
| NO325725B1 (no) | 2008-07-07 |
| NO993120L (no) | 1999-08-25 |
| JP2001519858A (ja) | 2001-10-23 |
| SE9604802L (sv) | 1998-06-28 |
| BR9714440A (pt) | 2000-03-21 |
| WO1998029598A1 (en) | 1998-07-09 |
| CA2275710A1 (en) | 1998-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |