ES2111298T3 - Blanqueo de pasta reciclada con ozono y peroxido de hidrogeno. - Google Patents
Blanqueo de pasta reciclada con ozono y peroxido de hidrogeno.Info
- Publication number
- ES2111298T3 ES2111298T3 ES94913541T ES94913541T ES2111298T3 ES 2111298 T3 ES2111298 T3 ES 2111298T3 ES 94913541 T ES94913541 T ES 94913541T ES 94913541 T ES94913541 T ES 94913541T ES 2111298 T3 ES2111298 T3 ES 2111298T3
- Authority
- ES
- Spain
- Prior art keywords
- ozone
- hydrogen peroxide
- bleaching
- paste
- hydrogen
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
UN METODO PARA BLANQUEAR PAPEL RECICLADO QUE CONTIENE LA PASTA EN DONDE DICHA PASTA ESTA EN CONTACTO CON EL OZONO EN UN TRATAMIENTO DE FASE DE OZONO (Z) QUE COMPRENDE UN PASO DE ESTABILIZACION DE CLARIDAD DURANTE O AL FINAL DE DICHA FASE DE OZONO (Z), DICHO PASO DE ESTABILIZACION CONSISTIENDO EN CONTACTAR UNA PEQUEÑA CANTIDAD DE PEROXIDO DE HIDROGENO CON DICHA PASTA, LA CANTIDAD DE PEROXIDO DE HIDROGENO CONTACTADA CON DICHA PASTA SIENDO PEQUEÑA COMPARADA A LA CANTIDAD DE PEROXIDO DE HIDROGENO NORMALMENTE EN UNA FASE DE PEROXIDO DE HIDROGENO, EL PASO DE NO LAVADO ESTANDO PROVISTO ENTRE EL PASO DE CONTACTO DE OZONO CON DICHA PASTA Y EL PASO DE CONTACTO DE PEROXIDO DE HIDROGENO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4436993A | 1993-04-06 | 1993-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2111298T3 true ES2111298T3 (es) | 1998-03-01 |
Family
ID=21932007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94913541T Expired - Lifetime ES2111298T3 (es) | 1993-04-06 | 1994-04-05 | Blanqueo de pasta reciclada con ozono y peroxido de hidrogeno. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5755925A (es) |
| EP (1) | EP0644965B1 (es) |
| BR (1) | BR9404892A (es) |
| CA (1) | CA2137450C (es) |
| DE (1) | DE69408065T2 (es) |
| DK (1) | DK0644965T3 (es) |
| ES (1) | ES2111298T3 (es) |
| FI (1) | FI945721A7 (es) |
| NO (1) | NO944696L (es) |
| WO (1) | WO1994023117A2 (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2801327B1 (fr) * | 1999-11-18 | 2002-07-12 | Papeteries Matussiere Forest | Procede de desencrage, de decoloration, de desinfection et de blanchiment de papiers de recuperation |
| US20030131958A1 (en) * | 2001-11-30 | 2003-07-17 | Thomas Jaschinski | Use of ozone for increasing the wet strength of paper and nonwoven |
| GB2382592A (en) * | 2001-11-30 | 2003-06-04 | Sca Hygiene Prod Gmbh | Use of ozone to enhance the wet strength of fibrous cellulosic material |
| US6875414B2 (en) * | 2002-01-14 | 2005-04-05 | American Air Liquide, Inc. | Polysulfide measurement methods using colormetric techniques |
| SE526241C2 (sv) * | 2003-12-18 | 2005-08-02 | Metso Paper Inc | Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning |
| US7297225B2 (en) * | 2004-06-22 | 2007-11-20 | Georgia-Pacific Consumer Products Lp | Process for high temperature peroxide bleaching of pulp with cool discharge |
| US20100224336A1 (en) * | 2005-12-14 | 2010-09-09 | University Of Maine System Board Of Trustees | Process of bleaching a wood pulp |
| FR2910027B1 (fr) * | 2006-12-13 | 2009-11-06 | Itt Mfg Enterprises Inc | Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature |
| PT2861799T (pt) | 2012-06-13 | 2019-09-26 | Univ Maine System | Processo energeticamente eficiente para preparar fibras de nanocelulose |
| US11078624B2 (en) | 2018-09-21 | 2021-08-03 | King Abdulaziz University | Method for isolating alpha cellulose from lignocellulosic materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA902861A (en) * | 1969-11-27 | 1972-06-20 | Pulp And Paper Research Institute Of Canada | Bleaching of cellulosic pulp |
| NO144711C (no) * | 1978-04-04 | 1981-10-21 | Myrens Verksted As | Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon |
| DE3544398A1 (de) * | 1985-12-16 | 1987-06-19 | Sueddeutsche Kalkstickstoff | Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten |
| DE3923728A1 (de) * | 1989-07-18 | 1991-01-24 | Degussa | Verfahren zur stabilisierung der viskositaet von zellstoffen |
| US5211809A (en) * | 1991-05-21 | 1993-05-18 | Air Products And Chemicals, Inc,. | Dye removal in oxygen color stripping of secondary fibers |
| US5464501A (en) * | 1993-04-06 | 1995-11-07 | Societe Anonyme Pour L'etude Et L'exploitation L'air Liquide, Des Procedes Georges Claude | Bleaching recycled pulp with a reductive-oxidative sequence |
-
1994
- 1994-04-05 ES ES94913541T patent/ES2111298T3/es not_active Expired - Lifetime
- 1994-04-05 BR BR9404892A patent/BR9404892A/pt not_active IP Right Cessation
- 1994-04-05 DE DE69408065T patent/DE69408065T2/de not_active Expired - Fee Related
- 1994-04-05 WO PCT/EP1994/001068 patent/WO1994023117A2/en not_active Ceased
- 1994-04-05 CA CA 2137450 patent/CA2137450C/en not_active Expired - Fee Related
- 1994-04-05 EP EP19940913541 patent/EP0644965B1/en not_active Expired - Lifetime
- 1994-04-05 FI FI945721A patent/FI945721A7/fi unknown
- 1994-04-05 DK DK94913541T patent/DK0644965T3/da active
- 1994-12-06 NO NO944696A patent/NO944696L/no not_active IP Right Cessation
-
1997
- 1997-01-08 US US08/780,469 patent/US5755925A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2137450A1 (en) | 1994-10-13 |
| FI945721L (fi) | 1995-01-26 |
| US5755925A (en) | 1998-05-26 |
| EP0644965B1 (en) | 1998-01-21 |
| FI945721A0 (fi) | 1994-12-05 |
| BR9404892A (pt) | 1999-06-15 |
| DE69408065T2 (de) | 1998-06-10 |
| CA2137450C (en) | 2001-07-24 |
| DE69408065D1 (de) | 1998-02-26 |
| WO1994023117A3 (en) | 1994-11-24 |
| NO304702B1 (es) | 1999-02-01 |
| FI945721A7 (fi) | 1995-01-26 |
| NO944696D0 (no) | 1994-12-06 |
| NO944696L (no) | 1995-02-03 |
| EP0644965A1 (en) | 1995-03-29 |
| WO1994023117A2 (en) | 1994-10-13 |
| DK0644965T3 (da) | 1998-04-14 |
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| BR0113955A (pt) | Método para o alvejamento de polpa de papel | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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