FI20002647A0 - Process for treating finely divided cellulosic fibrous material - Google Patents
Process for treating finely divided cellulosic fibrous materialInfo
- Publication number
- FI20002647A0 FI20002647A0 FI20002647A FI20002647A FI20002647A0 FI 20002647 A0 FI20002647 A0 FI 20002647A0 FI 20002647 A FI20002647 A FI 20002647A FI 20002647 A FI20002647 A FI 20002647A FI 20002647 A0 FI20002647 A0 FI 20002647A0
- Authority
- FI
- Finland
- Prior art keywords
- finely divided
- fibrous material
- cellulosic fibrous
- treating finely
- divided cellulosic
- 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
- D21C9/1057—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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping 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
- D21C9/147—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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16753799P | 1999-12-02 | 1999-12-02 | |
US72242000A | 2000-11-28 | 2000-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20002647A0 true FI20002647A0 (en) | 2000-12-04 |
FI20002647A FI20002647A (en) | 2001-06-03 |
Family
ID=26863255
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20002647A FI20002647A (en) | 1999-12-02 | 2000-12-04 | A method for treating comminuted cellulosic fibrous material |
FI20070590A FI20070590A (en) | 1999-12-02 | 2007-08-07 | A method for treating comminuted cellulosic fibrous material |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20070590A FI20070590A (en) | 1999-12-02 | 2007-08-07 | A method for treating comminuted cellulosic fibrous material |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040026051A1 (en) |
JP (2) | JP2001200486A (en) |
CA (1) | CA2327248A1 (en) |
FI (2) | FI20002647A (en) |
SE (1) | SE0004438L (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8317975B2 (en) * | 2004-04-20 | 2012-11-27 | The Research Foundation Of The State University Of New York | Product and processes from an integrated forest biorefinery |
US20060201642A1 (en) * | 2005-03-08 | 2006-09-14 | Andritz Inc. | Methods of treating chemical cellulose pulp |
US7587251B2 (en) * | 2005-12-21 | 2009-09-08 | Rockwell Automation Technologies, Inc. | Remote monitoring and control of an I/O module |
US8920603B2 (en) * | 2006-10-11 | 2014-12-30 | Akzo Nobel N.V. | Bleaching of pulp |
FR2910027B1 (en) * | 2006-12-13 | 2009-11-06 | Itt Mfg Enterprises Inc | PROCESS FOR WHITENING CHEMICAL STRIPPING PASTES BY FINAL OZONE TREATMENT AT HIGH TEMPERATURE |
DE102007006582A1 (en) * | 2007-02-09 | 2008-09-04 | Hiwin Mikrosystem Corp. | External control assembly for quick-release device of linear actuator, has retaining rib and retaining recess respectively provided on outer periphery of collar and inner wall of assembling hole |
US8262856B2 (en) * | 2007-06-18 | 2012-09-11 | Andritz Inc. | Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
US9499637B2 (en) * | 2014-06-23 | 2016-11-22 | Api Intellectual Property Holdings, Llc | Nanocellulose compositions and processes to produce same |
CN104611972A (en) * | 2015-02-12 | 2015-05-13 | 北京京诚新星造纸工程技术有限公司 | Chlorine dioxide (ClO2) bleaching technology of salix psammophila pulp |
ITUB20153369A1 (en) * | 2015-09-03 | 2017-03-03 | Nicholas Iarocci | Cigarette paper filter and filter paper pad |
KR102223405B1 (en) * | 2019-04-15 | 2021-03-08 | (주)리아씨엔에프 | Bleaching method for manufacturing process of sea algae pulp |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4568420B1 (en) * | 1984-12-03 | 1999-03-02 | Int Paper Co | Multi-stage bleaching process including an enhanced oxidative extraction stage |
US4959124A (en) * | 1989-05-05 | 1990-09-25 | International Paper Company | Method of bleaching kraft pulp in a DZED sequence |
JP2002517173A (en) * | 1991-01-03 | 2002-06-11 | ユニオン キャンプ パテント ホウルディング インコーポレイテッド | Bleaching method of lignocellulose pulp without chlorine |
FR2719854B1 (en) * | 1994-05-11 | 1996-06-21 | Atochem Elf Sa | Process for the preparation of delignified and bleached chemical paper pulps. |
US5645687A (en) * | 1995-07-10 | 1997-07-08 | Champion International Corporation | Process for manufacturing bleached pulp with reduced chloride production |
JPH11286884A (en) * | 1998-04-03 | 1999-10-19 | Akio Onda | Pulp cooking liquor and production of pulp |
JP2000290887A (en) * | 1999-04-02 | 2000-10-17 | Oji Paper Co Ltd | Bleaching of lignocellulose |
-
2000
- 2000-12-01 CA CA002327248A patent/CA2327248A1/en not_active Abandoned
- 2000-12-01 JP JP2000367014A patent/JP2001200486A/en not_active Ceased
- 2000-12-01 SE SE0004438A patent/SE0004438L/en not_active Application Discontinuation
- 2000-12-04 FI FI20002647A patent/FI20002647A/en unknown
-
2003
- 2003-08-05 US US10/633,536 patent/US20040026051A1/en not_active Abandoned
-
2007
- 2007-08-07 FI FI20070590A patent/FI20070590A/en unknown
-
2009
- 2009-01-09 JP JP2009003068A patent/JP2009074234A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FI20002647A (en) | 2001-06-03 |
SE0004438D0 (en) | 2000-12-01 |
JP2001200486A (en) | 2001-07-27 |
FI20070590A (en) | 2007-08-07 |
SE0004438L (en) | 2001-06-03 |
JP2009074234A (en) | 2009-04-09 |
US20040026051A1 (en) | 2004-02-12 |
CA2327248A1 (en) | 2001-06-02 |
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