ES2129142T5 - Procedimiento para el blanqueo de una pasta papelera quimica. - Google Patents
Procedimiento para el blanqueo de una pasta papelera quimica.Info
- Publication number
- ES2129142T5 ES2129142T5 ES94931025T ES94931025T ES2129142T5 ES 2129142 T5 ES2129142 T5 ES 2129142T5 ES 94931025 T ES94931025 T ES 94931025T ES 94931025 T ES94931025 T ES 94931025T ES 2129142 T5 ES2129142 T5 ES 2129142T5
- Authority
- ES
- Spain
- Prior art keywords
- stage
- paste
- acid
- treatment
- procedure according
- 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 - Lifetime
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
- 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
-
- 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
- D21C9/1042—Use of chelating agents
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9301251 | 1993-11-10 | ||
| BE9301251A BE1007757A3 (fr) | 1993-11-10 | 1993-11-10 | Procede pour le blanchiment d'une pate a papier chimique. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2129142T3 ES2129142T3 (es) | 1999-06-01 |
| ES2129142T5 true ES2129142T5 (es) | 2005-04-01 |
Family
ID=3887547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94931025T Expired - Lifetime ES2129142T5 (es) | 1993-11-10 | 1994-10-28 | Procedimiento para el blanqueo de una pasta papelera quimica. |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0728238B2 (fr) |
| JP (1) | JPH10500178A (fr) |
| AT (1) | ATE175738T1 (fr) |
| AU (1) | AU7993994A (fr) |
| BE (1) | BE1007757A3 (fr) |
| BR (1) | BR9408027A (fr) |
| CA (1) | CA2176246A1 (fr) |
| DE (1) | DE69416000D1 (fr) |
| ES (1) | ES2129142T5 (fr) |
| FI (1) | FI961975A7 (fr) |
| MA (1) | MA23369A1 (fr) |
| NO (1) | NO961889D0 (fr) |
| WO (1) | WO1995013420A1 (fr) |
| ZA (1) | ZA948563B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4967451B2 (ja) | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
| CN101903591A (zh) | 2007-12-20 | 2010-12-01 | 三菱瓦斯化学株式会社 | 漂白纸浆的制造方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE97179T1 (de) * | 1989-06-06 | 1993-11-15 | Eka Nobel Ab | Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen. |
| SE470065C (sv) * | 1991-04-30 | 1996-01-15 | Eka Nobel Ab | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
| SE468355B (sv) * | 1991-04-30 | 1992-12-21 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med komplexbildare och ozon |
| SE469842C (sv) * | 1992-01-21 | 1996-01-15 | Sunds Defibrator Ind Ab | Blekning av kemisk massa med peroxid |
| SE9201477L (sv) * | 1992-05-11 | 1993-06-28 | Kamyr Ab | Saett vid blekning av massa utan anvaendning av klorkemikalier |
| BE1006056A3 (fr) * | 1992-07-06 | 1994-05-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
| BR9307520A (pt) * | 1992-11-27 | 1999-08-31 | Eka Nobel Ab | Processo para o alvejamento de polpa contendo lignocelulose |
| BE1007700A3 (fr) * | 1993-11-04 | 1995-10-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
-
1993
- 1993-11-10 BE BE9301251A patent/BE1007757A3/fr not_active IP Right Cessation
-
1994
- 1994-10-28 ES ES94931025T patent/ES2129142T5/es not_active Expired - Lifetime
- 1994-10-28 JP JP7513565A patent/JPH10500178A/ja active Pending
- 1994-10-28 AU AU79939/94A patent/AU7993994A/en not_active Abandoned
- 1994-10-28 DE DE69416000T patent/DE69416000D1/de not_active Expired - Lifetime
- 1994-10-28 AT AT94931025T patent/ATE175738T1/de not_active IP Right Cessation
- 1994-10-28 EP EP94931025A patent/EP0728238B2/fr not_active Expired - Lifetime
- 1994-10-28 FI FI961975A patent/FI961975A7/fi unknown
- 1994-10-28 WO PCT/EP1994/003590 patent/WO1995013420A1/fr not_active Ceased
- 1994-10-28 CA CA002176246A patent/CA2176246A1/fr not_active Abandoned
- 1994-10-28 BR BR9408027A patent/BR9408027A/pt unknown
- 1994-10-31 ZA ZA948563A patent/ZA948563B/xx unknown
- 1994-11-09 MA MA23693A patent/MA23369A1/fr unknown
-
1996
- 1996-05-09 NO NO961889A patent/NO961889D0/no not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0728238B1 (fr) | 1999-01-13 |
| FI961975A0 (fi) | 1996-05-09 |
| BE1007757A3 (fr) | 1995-10-17 |
| ZA948563B (en) | 1995-06-30 |
| DE69416000D1 (de) | 1999-02-25 |
| MA23369A1 (fr) | 1995-07-01 |
| NO961889L (no) | 1996-05-09 |
| ES2129142T3 (es) | 1999-06-01 |
| JPH10500178A (ja) | 1998-01-06 |
| EP0728238B2 (fr) | 2004-08-11 |
| EP0728238A1 (fr) | 1996-08-28 |
| CA2176246A1 (fr) | 1995-05-18 |
| ATE175738T1 (de) | 1999-01-15 |
| NO961889D0 (no) | 1996-05-09 |
| AU7993994A (en) | 1995-05-29 |
| BR9408027A (pt) | 1996-12-17 |
| FI961975L (fi) | 1996-07-09 |
| FI961975A7 (fi) | 1996-07-09 |
| WO1995013420A1 (fr) | 1995-05-18 |
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| Publication | Publication Date | Title |
|---|---|---|
| AU654624B2 (en) | Process for the delignification of a chemical paper pulp | |
| ES2209420T3 (es) | Metodo de produccion de pulpa lignocelulosica a partir de especies no leñosas. | |
| US5645686A (en) | Process for bleaching a pulp in a sequence including an enzyme stage | |
| BE1006056A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique. | |
| BR9307521A (pt) | Processo para a deslignificação e alvejamento de polpa contendo lignocelulose | |
| FI93031B (fi) | Glutaarialdehydin käyttö peroksidin hajoamisen estämiseksi uusiomassan ja muun kuitumassan valmistuksessa | |
| AU666375B2 (en) | Process for the delignification of a chemical paper pulp | |
| ES2392063T3 (es) | Método de blanqueamiento de pulpas químicas de papel mediante tratamiento final de ozono a alta temperatura | |
| ES2129142T5 (es) | Procedimiento para el blanqueo de una pasta papelera quimica. | |
| CA2149649C (fr) | Procede de blanchiment de pate contenant de la lignocellulose | |
| BE1006881A3 (fr) | Procede pour la delignification d'une pate a papier chimique. | |
| JPH05195467A (ja) | ケミカルペーパーパルプの脱リグニン化の選択性を改良するための方法 | |
| BE1007700A3 (fr) | Procede pour le blanchiment d'une pate a papier chimique. | |
| AU682363B2 (en) | Process for bleaching a paper pulp | |
| JPWO1994017237A1 (ja) | 酵素による化学パルプの漂白前処理方法 | |
| JPH0726486A (ja) | パルプの処理方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FC2A | Grant refused |
Effective date: 19970606 |
|
| FG2A | Definitive protection |
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