FI914766A0 - Klorfri traemassa samt foerfarande foer framstaellning av denna. - Google Patents
Klorfri traemassa samt foerfarande foer framstaellning av denna.Info
- Publication number
- FI914766A0 FI914766A0 FI914766A FI914766A FI914766A0 FI 914766 A0 FI914766 A0 FI 914766A0 FI 914766 A FI914766 A FI 914766A FI 914766 A FI914766 A FI 914766A FI 914766 A0 FI914766 A0 FI 914766A0
- Authority
- FI
- Finland
- Prior art keywords
- traemassa
- chlorfria
- denna
- foerfarande foer
- foer framstaellning
- 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
- D21C9/147—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
- D21C9/1057—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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59676590A | 1990-10-12 | 1990-10-12 | |
US77062891A | 1991-10-03 | 1991-10-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI914766A0 true FI914766A0 (fi) | 1991-10-09 |
FI914766A FI914766A (fi) | 1992-04-13 |
Family
ID=27082622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI914766A FI914766A (fi) | 1990-10-12 | 1991-10-09 | Klorfri traemassa samt foerfarande foer framstaellning av denna. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0480469A3 (fi) |
JP (1) | JPH06287881A (fi) |
AU (2) | AU8575691A (fi) |
BR (1) | BR9104455A (fi) |
CA (1) | CA2053035C (fi) |
FI (1) | FI914766A (fi) |
MX (1) | MX9101558A (fi) |
PT (1) | PT99205A (fi) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2825346B2 (ja) * | 1990-05-17 | 1998-11-18 | ユニオン キャンプ コーポレイション | リグノセルロース物質の環境上改良された漂白方法 |
SE512137C2 (sv) † | 1992-10-29 | 2000-01-31 | Eka Chemicals Ab | Förfarande för blekning av lignocellulosahaltig massa |
WO1994012721A1 (en) * | 1992-11-27 | 1994-06-09 | Eka Nobel Ab | Process for delignification of lignocellulose-containing pulp |
US6007678A (en) * | 1992-11-27 | 1999-12-28 | Eka Nobel Ab | Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof |
BE1006881A3 (fr) * | 1993-03-02 | 1995-01-17 | Solvay Interox | Procede pour la delignification d'une pate a papier chimique. |
CA2163389A1 (en) * | 1994-11-23 | 1996-05-24 | Malcolm Cronlund | Chlorine-free organosolv pulps |
AU2400697A (en) * | 1996-03-25 | 1997-10-17 | Alcell Technologies Inc. | Ozone-bleached organosolv pulps |
JP3794254B2 (ja) * | 2000-02-28 | 2006-07-05 | 王子製紙株式会社 | 中性紙 |
SE532370C2 (sv) * | 2008-02-28 | 2009-12-29 | Metso Paper Inc | Metod för blekning av en massa |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
US9512563B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Surface treated modified cellulose from chemical kraft fiber and methods of making and using same |
US9511167B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Modified cellulose from chemical kraft fiber and methods of making and using the same |
RU2683654C2 (ru) | 2009-05-28 | 2019-04-01 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | Модифицированная целлюлоза из химического крафт-волокна и способы его изготовления и использования |
WO2012166997A2 (en) | 2011-05-31 | 2012-12-06 | Clean Chemistry, Llc | Electrochemical reactor and process |
US9517955B2 (en) | 2012-09-07 | 2016-12-13 | Clean Chemistry, Llc | System and method for generation of point of use reactive oxygen species |
RU2018117289A (ru) | 2013-02-08 | 2018-10-26 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | КРАФТ-ВОЛОКНО ДРЕВЕСИНЫ ХВОЙНЫХ ПОРОД С УЛУЧШЕННЫМ СОДЕРЖАНИЕМ α-ЦЕЛЛЮЛОЗЫ И ЕГО ПРИМЕНЕНИЕ ПРИ ПРОИЗВОДСТВЕ ХИМИЧЕСКИХ ЦЕЛЛЮЛОЗНЫХ ПРОДУКТОВ |
JP6379116B2 (ja) | 2013-03-14 | 2018-08-22 | ゲーペー ツェルローゼ ゲーエムベーハー | 酸性漂白シーケンスを使用する、高機能、低粘度クラフト繊維の作製方法およびそのプロセスによって作製される繊維 |
BR112015020000A2 (pt) | 2013-03-15 | 2017-07-18 | Gp Cellulose Gmbh | fibra kraft quimicamente modificada e métodos de fabricação da mesma |
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 |
WO2016037149A1 (en) | 2014-09-04 | 2016-03-10 | Clean Chemistry, Inc. | Method of water treatment utilizing a peracetate oxidant solution |
CA2981034A1 (en) | 2015-03-26 | 2016-09-29 | Clean Chemistry, Inc. | Systems and methods of reducing a bacteria population in high hydrogen sulfide water |
US10883224B2 (en) | 2015-12-07 | 2021-01-05 | Clean Chemistry, Inc. | Methods of pulp fiber treatment |
EP3386948A4 (en) | 2015-12-07 | 2019-06-12 | Clean Chemistry Inc. | PROCESSES FOR PROCESSING PAPER PULP FIBERS |
US11136714B2 (en) | 2016-07-25 | 2021-10-05 | Clean Chemistry, Inc. | Methods of optical brightening agent removal |
WO2018093697A1 (en) | 2016-11-16 | 2018-05-24 | Gp Cellulose Gmbh | Modified cellulose from chemical fiber and methods of making and using the same |
US11311012B1 (en) | 2017-09-07 | 2022-04-26 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
US11591751B2 (en) | 2019-09-17 | 2023-02-28 | Gpcp Ip Holdings Llc | High efficiency fiber bleaching process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2219505C3 (de) * | 1972-04-21 | 1974-10-17 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Chlorfreie Mehrstufenbleiche von Zellstoff |
SE462919B (sv) * | 1979-05-11 | 1990-09-17 | Sunds Defibrator Ind Ab | Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre |
AT373303B (de) * | 1981-08-06 | 1984-01-10 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von zellstoffen mit niedrigem ligningehalt |
US4619733A (en) * | 1983-11-30 | 1986-10-28 | Kooi Boon Lam | Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor |
EP0325890B1 (de) * | 1988-01-25 | 1993-06-09 | Acetocell GmbH & Co. KG | Verfahren zur Behandlung von Lignin enthaltender Cellulosemasse mit Ozon |
AT395028B (de) * | 1990-02-07 | 1992-08-25 | Chemiefaser Lenzing Ag | Verfahren zum chlorfreien bleichen von kunstfaserzellstoff |
-
1991
- 1991-10-08 CA CA 2053035 patent/CA2053035C/en not_active Expired - Fee Related
- 1991-10-09 FI FI914766A patent/FI914766A/fi not_active Application Discontinuation
- 1991-10-11 EP EP19910117401 patent/EP0480469A3/en not_active Withdrawn
- 1991-10-11 AU AU85756/91A patent/AU8575691A/en not_active Abandoned
- 1991-10-11 MX MX9101558A patent/MX9101558A/es not_active Application Discontinuation
- 1991-10-11 PT PT9920591A patent/PT99205A/pt not_active Application Discontinuation
- 1991-10-14 JP JP26468491A patent/JPH06287881A/ja active Pending
- 1991-10-14 BR BR919104455A patent/BR9104455A/pt not_active Application Discontinuation
-
1995
- 1995-01-13 AU AU10183/95A patent/AU1018395A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JPH06287881A (ja) | 1994-10-11 |
MX9101558A (es) | 1992-06-05 |
CA2053035A1 (en) | 1992-04-13 |
EP0480469A2 (en) | 1992-04-15 |
AU1018395A (en) | 1995-03-09 |
BR9104455A (pt) | 1992-06-09 |
EP0480469A3 (en) | 1994-06-01 |
CA2053035C (en) | 1997-09-30 |
AU8575691A (en) | 1992-04-30 |
PT99205A (pt) | 1992-09-30 |
FI914766A (fi) | 1992-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: ALCELL TECHNOLOGIES INC. |
|
FD | Application lapsed |