SE9403818L - Sätt vid ozonblekning - Google Patents
Sätt vid ozonblekningInfo
- Publication number
- SE9403818L SE9403818L SE9403818A SE9403818A SE9403818L SE 9403818 L SE9403818 L SE 9403818L SE 9403818 A SE9403818 A SE 9403818A SE 9403818 A SE9403818 A SE 9403818A SE 9403818 L SE9403818 L SE 9403818L
- Authority
- SE
- Sweden
- Prior art keywords
- ozone
- pulp
- content
- residual gas
- paper
- Prior art date
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title abstract 4
- 238000004061 bleaching Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229920001131 Pulp (paper) Polymers 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 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
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- D21C11/08—Deodorisation ; Elimination of malodorous compounds, e.g. sulfur compounds such as hydrogen sulfide or mercaptans, from gas streams
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treating Waste Gases (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403818A SE9403818L (sv) | 1994-11-08 | 1994-11-08 | Sätt vid ozonblekning |
AU38842/95A AU3884295A (en) | 1994-11-08 | 1995-10-17 | Odour treatment of malodorous condensates with ozone-containing residual gas |
PCT/SE1995/001207 WO1996014464A1 (en) | 1994-11-08 | 1995-10-17 | Odour treatment of malodorous condensates with ozone-containing residual gas |
DE69521809T DE69521809T2 (de) | 1994-11-08 | 1995-10-17 | Geruchsbehandlung von übelriechenden kondensaten mit ozon-enthaltenden restgasen |
EP95938081A EP0791101B1 (en) | 1994-11-08 | 1995-10-17 | Odour treatment of malodorous condensates with ozone-containing residual gas |
AT95938081T ATE203292T1 (de) | 1994-11-08 | 1995-10-17 | Geruchsbehandlung von übelriechenden kondensaten mit ozon-enthaltenden restgasen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403818A SE9403818L (sv) | 1994-11-08 | 1994-11-08 | Sätt vid ozonblekning |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9403818D0 SE9403818D0 (sv) | 1994-11-08 |
SE9403818L true SE9403818L (sv) | 1996-05-09 |
Family
ID=20395879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9403818A SE9403818L (sv) | 1994-11-08 | 1994-11-08 | Sätt vid ozonblekning |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0791101B1 ( ) |
AT (1) | ATE203292T1 ( ) |
AU (1) | AU3884295A ( ) |
DE (1) | DE69521809T2 ( ) |
SE (1) | SE9403818L ( ) |
WO (1) | WO1996014464A1 ( ) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6348129B1 (en) | 2000-04-28 | 2002-02-19 | Praxair Technology Inc | Treatment of pulp mill condensate with ozone |
TW590789B (en) | 2001-09-14 | 2004-06-11 | Ind Tech Res Inst | Method of treating an air stream containing VOCs |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO150971C (no) * | 1981-04-10 | 1985-01-23 | Papirind Forskningsinst | Fremgangsmaate ved rensning av kondensater fra sulfatprosessen |
SE9200183L (sv) * | 1992-01-23 | 1993-07-24 | Kamyr Ab | Avskiljningsanordning samt foerfarande |
WO1993018226A1 (en) * | 1992-03-02 | 1993-09-16 | Kamyr, Inc. | Combined ozone destruction and fiber scrubbing in paper pulp mills |
-
1994
- 1994-11-08 SE SE9403818A patent/SE9403818L/ not_active Application Discontinuation
-
1995
- 1995-10-17 AU AU38842/95A patent/AU3884295A/en not_active Abandoned
- 1995-10-17 WO PCT/SE1995/001207 patent/WO1996014464A1/en active IP Right Grant
- 1995-10-17 EP EP95938081A patent/EP0791101B1/en not_active Expired - Lifetime
- 1995-10-17 AT AT95938081T patent/ATE203292T1/de active
- 1995-10-17 DE DE69521809T patent/DE69521809T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996014464A1 (en) | 1996-05-17 |
SE9403818D0 (sv) | 1994-11-08 |
DE69521809T2 (de) | 2002-04-04 |
DE69521809D1 (de) | 2001-08-23 |
AU3884295A (en) | 1996-05-31 |
EP0791101B1 (en) | 2001-07-18 |
ATE203292T1 (de) | 2001-08-15 |
EP0791101A1 (en) | 1997-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69213208D1 (de) | Integriertes Altpapieraufschlussverfahren zur Herstellung von Fasern für Seidenpapier | |
WO1994023118A3 (en) | Bleaching recycled pulp with a reductive-oxidative sequence | |
DE59007341D1 (de) | Verfahren zum chlorfreien Bleichen von Zellstoff. | |
MXPA04005021A (es) | Proceso de fabricacion del papel y productos que utilizan sedimento tratado con enzima. | |
ATE132926T1 (de) | Verfahren zur delignifizierung von chemischen zellstoffen | |
NO920248D0 (no) | Enzymatisk behandling av en kjemisk lignocellulosemasse | |
FI961974A0 (fi) | Epäorgaanisten pigmenttien käsittely karboksimetyyliselluloosayhdisteillä | |
SE9403818D0 (sv) | Sätt vid ozonblekning | |
SE9500376D0 (sv) | Förfarande vid behandling av kondensat | |
FI99152B (fi) | Vetyperoksidilla tehostettu happidelignifiointi | |
WO1994023117A3 (en) | Bleaching recycled pulp with ozone and hydrogen peroxide | |
KR960022277A (ko) | 오물 처리방법 | |
DE59400174D1 (de) | Verfahren zur herstellung von papier | |
ES2038954A6 (es) | Metodo para blanquear pasta de papel. | |
CA2429022A1 (en) | Method and apparatus for treating pulp with filler | |
ES2101830T3 (es) | Proceso de reduccion a pasta en la fabricacion de papel. | |
ATE210217T1 (de) | Verfahren zur erhöhung des weissgrades von aus altpapier gewonnenem papierfaserstoff | |
SE9401628D0 (sv) | Förfarande vid syrgasdelignifiering | |
SE0002930D0 (sv) | Blekning av massa | |
SE9402726D0 (sv) | Sätt vid massablekning | |
SE9403912L (sv) | Sätt vid behandling av cellulosamassa | |
SE9300277D0 (sv) | Klorfri massablekning | |
SE9603630D0 (sv) | Förfarande för blekning av massa | |
AU6695896A (en) | Process for regeneration of an aqueous process liquid of the amine-oxide process | |
FI905380A (fi) | Foerfarande foer behandling av alkaliloesning. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 9403818-9 |