NO953444L - Fremgangsmåte for bleking av masse med klorfrie kjemikalier - Google Patents
Fremgangsmåte for bleking av masse med klorfrie kjemikalierInfo
- Publication number
- NO953444L NO953444L NO953444A NO953444A NO953444L NO 953444 L NO953444 L NO 953444L NO 953444 A NO953444 A NO 953444A NO 953444 A NO953444 A NO 953444A NO 953444 L NO953444 L NO 953444L
- Authority
- NO
- Norway
- Prior art keywords
- pulp
- ozone
- chlorine
- mass
- bleached
- Prior art date
Links
- 238000004061 bleaching Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000000126 substance Substances 0.000 title 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 150000002978 peroxides Chemical class 0.000 abstract 1
- 239000000843 powder 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
- 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
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
- 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
-
- 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
- D21C9/147—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
- D21C9/16—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)
- Coloring Foods And Improving Nutritive Qualities (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI930954A FI93232C (fi) | 1993-03-03 | 1993-03-03 | Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla |
| PCT/FI1993/000222 WO1994020673A1 (fr) | 1993-03-03 | 1993-05-25 | Procede de blanchiment de pate au moyen de produits chimiques sans chlorure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO953444D0 NO953444D0 (no) | 1995-09-01 |
| NO953444L true NO953444L (no) | 1995-10-19 |
Family
ID=8537491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO953444A NO953444L (no) | 1993-03-03 | 1995-09-01 | Fremgangsmåte for bleking av masse med klorfrie kjemikalier |
Country Status (13)
| Country | Link |
|---|---|
| EP (2) | EP0884415B1 (fr) |
| JP (1) | JP3276083B2 (fr) |
| AT (2) | ATE228181T1 (fr) |
| AU (1) | AU5370594A (fr) |
| BR (1) | BR9307858A (fr) |
| CA (1) | CA2157109C (fr) |
| DE (2) | DE69332508T2 (fr) |
| ES (2) | ES2186948T3 (fr) |
| FI (3) | FI93232C (fr) |
| NO (1) | NO953444L (fr) |
| PT (1) | PT884415E (fr) |
| RU (1) | RU2126471C1 (fr) |
| WO (1) | WO1994020673A1 (fr) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI89516B (fi) | 1989-05-10 | 1993-06-30 | Ahlstroem Oy | Foerfarande foer blekning av cellulosamassa med otson |
| FI103818B (fi) * | 1995-02-21 | 1999-09-30 | Ahlstrom Machinery Oy | Menetelmä massan valkaisemiseksi |
| US20080110584A1 (en) * | 2006-11-15 | 2008-05-15 | Caifang Yin | Bleaching process with at least one extraction stage |
| 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 |
| FI119062B (fi) * | 2006-12-28 | 2008-07-15 | Upm Kymmene Corp | Menetelmä mekaanisen massan valmistamiseksi |
| KR101866196B1 (ko) | 2009-05-28 | 2018-07-04 | 게페 첼루로제 게엠베하 | 화학적 크래프트 섬유로부터의 변형된 셀룰로즈 및 이들을 제조 및 사용하는 방법 |
| WO2012170183A1 (fr) | 2011-05-23 | 2012-12-13 | Gp Cellulose Gmbh | Fibre kraft de bois de conifères ayant une blancheur et un éclat améliorés et procédés de fabrication et utilisation de celle-ci |
| CA2860609C (fr) | 2012-01-12 | 2021-02-16 | Gp Cellulose Gmbh | Fibre kraft a faible viscosite ayant des proprietes de jaunissement reduites et ses procedes de fabrication et d'utilisation |
| CN106968127B (zh) | 2012-04-18 | 2019-03-01 | Gp纤维素股份有限公司 | 用于粘胶溶液的针叶木牛皮纸浆 |
| PL2954115T3 (pl) | 2013-02-08 | 2022-05-02 | Gp Cellulose Gmbh | Włókno siarczanowe z drewna iglastego o polepszonej zawartości a-celulozy i jego zastosowanie w wytwarzaniu chemicznych produktów celulozowych |
| US10138598B2 (en) | 2013-03-14 | 2018-11-27 | Gp Cellulose Gmbh | Method of making a highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process |
| MX372579B (es) | 2013-03-15 | 2020-04-17 | Gp Cellulose Gmbh | Una fibra kraft de baja viscosidad que tiene un contenido de carboxilo mejorado, y metodos para fabricar y usar la misma |
| FR3007044B1 (fr) * | 2013-06-13 | 2016-01-15 | Air Liquide | Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium |
| AT515152B1 (de) * | 2013-11-26 | 2015-12-15 | Chemiefaser Lenzing Ag | Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose |
| US10865519B2 (en) | 2016-11-16 | 2020-12-15 | Gp Cellulose Gmbh | Modified cellulose from chemical fiber and methods of making and using the same |
| SE544236C2 (en) * | 2020-12-21 | 2022-03-08 | Valmet Oy | Method for bleaching pulp from recycled textile material |
| SE545759C2 (en) * | 2022-06-20 | 2024-01-02 | Valmet Oy | Method for bleaching pulp from recycled textile material |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO144711C (no) * | 1978-04-04 | 1981-10-21 | Myrens Verksted As | Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon |
| US4310384A (en) * | 1979-01-11 | 1982-01-12 | Weyerhaeuser Company | Reducing chemical transfer between treatment stages |
| FI74752C (fi) * | 1986-03-20 | 1992-12-01 | Ahlstroem Oy | Foerfarande och anordning foer tvaettning av cellulosa |
| DE402335T1 (de) * | 1989-06-06 | 1992-04-09 | Eka Nobel Ab, Surte | Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen. |
| SU1675451A1 (ru) * | 1989-09-25 | 1991-09-07 | Центральный научно-исследовательский институт бумаги | Способ подготовки волокнистого полуфабриката к отливу бумажного полотна при изготовлении бумаги |
| AU636173B2 (en) * | 1989-10-30 | 1993-04-22 | Lenzing Aktiengesellschaft | Method for the chlorine-free bleaching of pulps |
| US5567262A (en) * | 1991-04-16 | 1996-10-22 | Ahlstrom Machinery Inc. | Two stage pressure diffuser |
| SE468355B (sv) * | 1991-04-30 | 1992-12-21 | Eka Nobel Ab | Blekning av kemisk massa genom behandling med komplexbildare och ozon |
| AT400153B (de) * | 1991-05-02 | 1995-10-25 | Voest Alpine Ind Anlagen | Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien |
-
1993
- 1993-03-03 FI FI930954A patent/FI93232C/fi active
- 1993-05-25 EP EP98113684A patent/EP0884415B1/fr not_active Expired - Lifetime
- 1993-05-25 FI FI954093A patent/FI954093A7/fi not_active IP Right Cessation
- 1993-05-25 ES ES98113684T patent/ES2186948T3/es not_active Expired - Lifetime
- 1993-05-25 EP EP93910051A patent/EP0687321B1/fr not_active Expired - Lifetime
- 1993-05-25 BR BR9307858A patent/BR9307858A/pt not_active IP Right Cessation
- 1993-05-25 RU RU95122814A patent/RU2126471C1/ru active
- 1993-05-25 AT AT98113684T patent/ATE228181T1/de not_active IP Right Cessation
- 1993-05-25 PT PT98113684T patent/PT884415E/pt unknown
- 1993-05-25 DE DE69332508T patent/DE69332508T2/de not_active Expired - Fee Related
- 1993-05-25 DE DE69323566T patent/DE69323566T2/de not_active Expired - Fee Related
- 1993-05-25 CA CA002157109A patent/CA2157109C/fr not_active Expired - Fee Related
- 1993-05-25 WO PCT/FI1993/000222 patent/WO1994020673A1/fr not_active Ceased
- 1993-05-25 ES ES93910051T patent/ES2130260T3/es not_active Expired - Lifetime
- 1993-05-25 AU AU53705/94A patent/AU5370594A/en not_active Abandoned
- 1993-05-25 JP JP51962394A patent/JP3276083B2/ja not_active Expired - Fee Related
- 1993-05-25 AT AT93910051T patent/ATE176808T1/de not_active IP Right Cessation
- 1993-09-15 FI FI934036A patent/FI98223B/fi not_active IP Right Cessation
-
1995
- 1995-09-01 NO NO953444A patent/NO953444L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO953444D0 (no) | 1995-09-01 |
| FI930954A0 (fi) | 1993-03-03 |
| FI934036A0 (fi) | 1993-09-15 |
| DE69332508T2 (de) | 2003-07-03 |
| EP0884415B1 (fr) | 2002-11-20 |
| EP0884415A1 (fr) | 1998-12-16 |
| DE69323566T2 (de) | 1999-07-15 |
| ES2186948T3 (es) | 2003-05-16 |
| FI930954L (fi) | 1994-09-04 |
| EP0687321A1 (fr) | 1995-12-20 |
| CA2157109A1 (fr) | 1994-09-15 |
| JP3276083B2 (ja) | 2002-04-22 |
| FI93232B (fi) | 1994-11-30 |
| FI93232C (fi) | 1995-03-10 |
| FI954093A0 (fi) | 1995-08-30 |
| EP0687321B1 (fr) | 1999-02-17 |
| DE69323566D1 (de) | 1999-03-25 |
| FI98223B (fi) | 1997-01-31 |
| ES2130260T3 (es) | 1999-07-01 |
| ATE228181T1 (de) | 2002-12-15 |
| WO1994020673A1 (fr) | 1994-09-15 |
| DE69332508D1 (de) | 2003-01-02 |
| ATE176808T1 (de) | 1999-03-15 |
| AU5370594A (en) | 1994-09-26 |
| BR9307858A (pt) | 1996-02-27 |
| JPH08509781A (ja) | 1996-10-15 |
| FI934036L (fi) | 1994-09-04 |
| CA2157109C (fr) | 2002-09-03 |
| FI954093A7 (fi) | 1995-10-17 |
| PT884415E (pt) | 2003-03-31 |
| RU2126471C1 (ru) | 1999-02-20 |
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