ATE31333T1 - Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid. - Google Patents
Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid.Info
- Publication number
- ATE31333T1 ATE31333T1 AT85401182T AT85401182T ATE31333T1 AT E31333 T1 ATE31333 T1 AT E31333T1 AT 85401182 T AT85401182 T AT 85401182T AT 85401182 T AT85401182 T AT 85401182T AT E31333 T1 ATE31333 T1 AT E31333T1
- Authority
- AT
- Austria
- Prior art keywords
- mechanical pulp
- hydrogen peroxide
- bleaching mechanical
- bleaching
- treatment
- Prior art date
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
- D21C9/1057—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)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8409718A FR2566015B1 (fr) | 1984-06-15 | 1984-06-15 | Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene |
EP85401182A EP0165867B1 (de) | 1984-06-15 | 1985-06-14 | Verfahren zum Bleichen von mechanischer Pulpe mittels Wasserstoffperoxid |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE31333T1 true ATE31333T1 (de) | 1987-12-15 |
Family
ID=9305255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT85401182T ATE31333T1 (de) | 1984-06-15 | 1985-06-14 | Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4756798A (de) |
EP (1) | EP0165867B1 (de) |
JP (1) | JP2504400B2 (de) |
AT (1) | ATE31333T1 (de) |
CA (1) | CA1259454A (de) |
DE (1) | DE3561165D1 (de) |
FR (1) | FR2566015B1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2004389A6 (es) * | 1986-03-21 | 1989-01-01 | Air Prod & Chem | Un metodo mejorado de deslignificacion y blanqueo secuenciales de pasta de papel lignocelulosica |
US5011572A (en) * | 1989-05-19 | 1991-04-30 | Fmc Corporation | Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage |
US5607546A (en) * | 1990-02-13 | 1997-03-04 | Molnlycke Ab | CTMP-process |
SE466060C (sv) | 1990-02-13 | 1995-09-11 | Moelnlycke Ab | Absorberande kemitermomekanisk massa och framställning därav |
NZ237019A (en) * | 1990-02-19 | 1992-11-25 | Amcor Ltd | Bleaching paper pulp by initially treating with oxygen and/or hydrogen peroxide and subsequently treating with a bleaching agent without intervening washing steps |
AU642971B2 (en) * | 1990-02-19 | 1993-11-04 | Paper Australia Pty Ltd | Bleaching of paper pulp |
BE1004674A3 (fr) * | 1991-03-11 | 1993-01-12 | Interox Internat Sa | Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft. |
CA2082557C (en) * | 1992-02-24 | 1997-03-11 | Charles W. Hankins | Integrated pulping process of waste paper yielding tissue-grade paper fibers |
SE9301960L (sv) * | 1993-06-08 | 1994-07-25 | Kvaerner Pulping Tech | Blekning av kemisk massa med peroxid vid övertryck |
US6149766A (en) * | 1993-06-08 | 2000-11-21 | Kvaerner Pulping Technologies, A/B | Process for peroxide bleaching of chemical pulp in a pressurized bleaching vessel |
CA2157154A1 (en) * | 1994-08-29 | 1996-03-01 | Gordon Leary | Bleaching of high-yield pulps with oxygen |
DE69608910T2 (de) * | 1995-12-07 | 2001-01-18 | Beloit Technologies, Inc. | Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff |
DE19626200C2 (de) * | 1996-06-29 | 2001-02-01 | Voith Sulzer Stoffaufbereitung | Verfahren zur Erhöhung des Weißgrades von Altpapierfaserstoff |
GB0004988D0 (en) | 2000-03-01 | 2000-04-19 | Unilever Plc | Composition and method for bleaching a substrate |
US6899790B2 (en) | 2000-03-06 | 2005-05-31 | Georgia-Pacific Corporation | Method of providing papermaking fibers with durable curl |
US6627041B2 (en) | 2000-03-06 | 2003-09-30 | Georgia-Pacific Corporation | Method of bleaching and providing papermaking fibers with durable curl |
US7297225B2 (en) * | 2004-06-22 | 2007-11-20 | Georgia-Pacific Consumer Products Lp | Process for high temperature peroxide bleaching of pulp with cool discharge |
US8138106B2 (en) | 2005-09-30 | 2012-03-20 | Rayonier Trs Holdings Inc. | Cellulosic fibers with odor control characteristics |
US20080087390A1 (en) * | 2006-10-11 | 2008-04-17 | Fort James Corporation | Multi-step pulp bleaching |
US8845860B2 (en) | 2010-09-16 | 2014-09-30 | Georgia-Pacific Consumer Products Lp | High brightness pulps from lignin rich waste papers |
TW201544652A (zh) * | 2014-05-20 | 2015-12-01 | Georgia Pacific Consumer Prod | 非木材纖維之漂白及植物性雜質減量方法 |
TW201610261A (zh) | 2014-05-20 | 2016-03-16 | 喬治亞太平洋消費者產品公司 | 非木材纖維之漂白及植物性雜質減量方法 |
TW201610265A (zh) | 2014-05-20 | 2016-03-16 | 喬治亞太平洋消費者產品公司 | 非木材纖維之漂白及植物性雜質減量方法 |
CN108642943B (zh) * | 2018-04-03 | 2021-03-19 | 中国林业科学研究院林产化学工业研究所 | 一种制备高白度高强度桉木化学机械浆的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA632280A (en) * | 1958-07-02 | 1961-12-05 | Kimberly-Clark Corporation | Manufacture of bleached cellulosic products resistant to brightness reversion |
FI45574C (fi) * | 1970-05-11 | 1972-07-10 | Kymin Oy Kymmene Ab | Menetelmä selluloosapitoisten aineiden valkaisemiseksi. |
US3719552A (en) * | 1971-06-18 | 1973-03-06 | American Cyanamid Co | Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide |
US4029543A (en) * | 1971-12-14 | 1977-06-14 | Mo Och Domsjo | Mechanically freeing wood fibers in the presence of spent peroxide bleaching liquor |
US3832276A (en) * | 1973-03-07 | 1974-08-27 | Int Paper Co | Delignification and bleaching of a cellulose pulp slurry with oxygen |
SE7502060L (sv) * | 1975-02-24 | 1976-08-25 | Alf Sa | Sett vid framstellning av mekanisk pappersmassa |
US4410397A (en) * | 1978-04-07 | 1983-10-18 | International Paper Company | Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives |
US4372812A (en) * | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
US4239643A (en) * | 1979-01-02 | 1980-12-16 | Monsanto Company | Peroxide stabilization |
FR2457339A1 (fr) * | 1979-05-25 | 1980-12-19 | Interox | Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques |
JPS59137591A (ja) * | 1983-01-28 | 1984-08-07 | 王子製紙株式会社 | リグノセルロ−ス物質の漂白方法 |
JPS59179892A (ja) * | 1983-03-25 | 1984-10-12 | 王子製紙株式会社 | リグノセルロ−ス物質の漂白方法 |
DE3428352A1 (de) * | 1984-08-01 | 1986-02-13 | Degussa Ag, 6000 Frankfurt | Verfahren zur delignifizierung und bleiche von zellstoffen |
US4568420B1 (en) * | 1984-12-03 | 1999-03-02 | Int Paper Co | Multi-stage bleaching process including an enhanced oxidative extraction stage |
-
1984
- 1984-06-15 FR FR8409718A patent/FR2566015B1/fr not_active Expired
-
1985
- 1985-06-14 AT AT85401182T patent/ATE31333T1/de not_active IP Right Cessation
- 1985-06-14 DE DE8585401182T patent/DE3561165D1/de not_active Expired
- 1985-06-14 CA CA000484053A patent/CA1259454A/fr not_active Expired
- 1985-06-14 JP JP60128426A patent/JP2504400B2/ja not_active Expired - Lifetime
- 1985-06-14 EP EP85401182A patent/EP0165867B1/de not_active Expired
-
1987
- 1987-04-16 US US07/039,794 patent/US4756798A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4756798A (en) | 1988-07-12 |
JPS6112994A (ja) | 1986-01-21 |
EP0165867B1 (de) | 1987-12-09 |
JP2504400B2 (ja) | 1996-06-05 |
EP0165867A1 (de) | 1985-12-27 |
DE3561165D1 (en) | 1988-01-21 |
CA1259454A (fr) | 1989-09-19 |
FR2566015B1 (fr) | 1986-08-29 |
FR2566015A1 (fr) | 1985-12-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ATE31333T1 (de) | Verfahren zum bleichen von mechanischer pulpe mittels wasserstoffperoxid. | |
DE3775688D1 (de) | Verfahren zum bleichen von cellulosepulpen mittels wasserstoffperoxid. | |
ATE48290T1 (de) | Verfahren zur delignifizierung und bleiche von zellstoffen. | |
ATE2018T1 (de) | Verfahren zur delignifizierung und zum bleichen von chemischen und halbchemischen zellstoffen. | |
SE7902901L (sv) | Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon | |
FI920609A0 (fi) | Foerbaettring betraeffande syreblekning av massa. | |
DE68914135D1 (de) | Verfahren zum Bleichen von Zellstoff. | |
JPS56169889A (en) | Oxygen bleaching method of cellulose pulp | |
ATE21133T1 (de) | Verfahren zur herstellung von halbgebleichten zellstoffen. | |
ES508472A0 (es) | Procedimiento de desapresto y blanqueo de los tejidos. | |
ES498467A0 (es) | Procedimiento ciclico de produccion de peroxido de hidrogeno | |
ATE110129T1 (de) | Verfahren zum bleichen von chemischen zellstoffen. | |
DE69333736D1 (de) | Verfahren im zusammenhang mit der vergasung von zellstoffablaugen | |
JPS5545806A (en) | Peroxide bleaching method of wood pulp | |
ATE84582T1 (de) | Regelung der peroxidbleiche verschiedener papierfaserstoffe. | |
DE3862265D1 (de) | Verfahren zur herstellung einer gebleichten papierpulpe mittels einer kohlensaeurebehandlung nach der bleiche. | |
ATE151824T1 (de) | Aufschlussverfahren | |
ATE48291T1 (de) | Verfahren zum bleichen von chemischen holzpulpen. | |
JPS56169859A (en) | Bleaching of fiber substance by hydrogen peroxide | |
SE8700313L (sv) | Forfarande for blekning av mekaniska massor | |
SE8505899L (sv) | Regenererbara reducerande blekmedel | |
JPS56169860A (en) | Bleaching of fiber substance by hydrogen peroxide | |
JPS56169858A (en) | Bleaching of fiber substance by hydrogen peroxide | |
FI905380A (fi) | Foerfarande foer behandling av alkaliloesning. | |
SE9002001L (sv) | Metod foer tillfoersel av vaeteperoxid i cellulosasuspensioner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
RZN | Patent revoked |