CA2327248A1 - Environmentally-friendly fiberline for producing bleached chemical pulp - Google Patents
Environmentally-friendly fiberline for producing bleached chemical pulp Download PDFInfo
- Publication number
- CA2327248A1 CA2327248A1 CA002327248A CA2327248A CA2327248A1 CA 2327248 A1 CA2327248 A1 CA 2327248A1 CA 002327248 A CA002327248 A CA 002327248A CA 2327248 A CA2327248 A CA 2327248A CA 2327248 A1 CA2327248 A1 CA 2327248A1
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- practiced
- treating
- treatment
- pulping process
- 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.)
- Abandoned
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16753799P | 1999-12-02 | 1999-12-02 | |
US60/167,537 | 1999-12-02 | ||
US72242000A | 2000-11-28 | 2000-11-28 | |
US09/722,420 | 2000-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2327248A1 true CA2327248A1 (en) | 2001-06-02 |
Family
ID=26863255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002327248A Abandoned CA2327248A1 (en) | 1999-12-02 | 2000-12-01 | Environmentally-friendly fiberline for producing bleached chemical pulp |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040026051A1 (fi) |
JP (2) | JP2001200486A (fi) |
CA (1) | CA2327248A1 (fi) |
FI (2) | FI20002647A (fi) |
SE (1) | SE0004438L (fi) |
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 (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 |
DE102007006582A1 (de) * | 2007-02-09 | 2008-09-04 | Hiwin Mikrosystem Corp. | Externes Steuerelement für eine schnell lösbare Vorrichtung eines Linearantriebs |
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 (zh) * | 2015-02-12 | 2015-05-13 | 北京京诚新星造纸工程技术有限公司 | 一种沙柳浆的二氧化氯漂白工艺 |
ITUB20153369A1 (it) * | 2015-09-03 | 2017-03-03 | Nicholas Iarocci | Filtro di carta per sigarette e blocchetto di fogli da filtro |
KR102223405B1 (ko) * | 2019-04-15 | 2021-03-08 | (주)리아씨엔에프 | 해조류 펄프의 제조 공정을 위한 표백 방법. |
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 (ja) * | 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 | 塩素を使用しないリグノセルロースパルプの漂白法 |
FR2719854B1 (fr) * | 1994-05-11 | 1996-06-21 | Atochem Elf Sa | Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies. |
US5645687A (en) * | 1995-07-10 | 1997-07-08 | Champion International Corporation | Process for manufacturing bleached pulp with reduced chloride production |
JPH11286884A (ja) * | 1998-04-03 | 1999-10-19 | Akio Onda | パルプ蒸解薬液とパルプの製造方法 |
JP2000290887A (ja) * | 1999-04-02 | 2000-10-17 | Oji Paper Co Ltd | リグノセルロースの漂白方法 |
-
2000
- 2000-12-01 SE SE0004438A patent/SE0004438L/ not_active Application Discontinuation
- 2000-12-01 JP JP2000367014A patent/JP2001200486A/ja not_active Ceased
- 2000-12-01 CA CA002327248A patent/CA2327248A1/en not_active Abandoned
- 2000-12-04 FI FI20002647A patent/FI20002647A/fi unknown
-
2003
- 2003-08-05 US US10/633,536 patent/US20040026051A1/en not_active Abandoned
-
2007
- 2007-08-07 FI FI20070590A patent/FI20070590A/fi unknown
-
2009
- 2009-01-09 JP JP2009003068A patent/JP2009074234A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2001200486A (ja) | 2001-07-27 |
FI20002647A0 (fi) | 2000-12-04 |
SE0004438L (sv) | 2001-06-03 |
SE0004438D0 (sv) | 2000-12-01 |
FI20070590A (fi) | 2007-08-07 |
JP2009074234A (ja) | 2009-04-09 |
FI20002647A (fi) | 2001-06-03 |
US20040026051A1 (en) | 2004-02-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1095184B1 (en) | Method of producing lignocellulosic pulp from non-woody species | |
JP2009074234A (ja) | 細砕セルロース繊維材のスラリーを処理する方法 | |
CA2067296C (en) | Process for bleaching of lignocellulose-containing pulp | |
FI112255B (fi) | Menetelmä lignoselluloosapitoisen massan valkaisemiseksi | |
CA2160430C (en) | Method of treating cellulose pulps | |
JPS61138793A (ja) | 強化酸化抽出法 | |
US8080129B2 (en) | Environmentally benign TCF bleaching sequences for AS/AQ wheat straw pulp | |
JP2007530818A (ja) | パルプの白色度の増進及び漂白薬品の使用における最適化の方法 | |
CA2443340A1 (en) | Methods to enhance pulp bleaching and delignification | |
JP2010144273A (ja) | リグノセルロース物質の化学パルプの製造方法 | |
JP5232164B2 (ja) | 高温での最終オゾン処理によって化学紙パルプを漂白する方法 | |
AU2003216028B2 (en) | Process for bleaching lignocellulose-containing non-wood pulp | |
EP0464110B1 (en) | Bleaching process for the production of high bright pulps | |
USH1690H (en) | Process for bleaching kraft pulp | |
US5728264A (en) | Avoidance of salt scaling by acidic pulp washing process | |
EP0652321B1 (en) | Chemical pulp bleaching | |
JPH07145583A (ja) | 古紙の脱インキ、漂白方法 | |
WO1997030207A1 (en) | Process for bleaching of chemical pulp | |
JP3360694B2 (ja) | 製紙用化学パルプの脱リグニン漂白方法 | |
JP3697335B2 (ja) | 化学パルプの酸性漂白白水による処理方法 | |
JPH08218290A (ja) | 非塩素漂白パルプの製造方法 | |
JPH07173785A (ja) | 化学パルプの過酸化物又はオゾン漂白方法 | |
Dutt et al. | Studies on total chlorine free bleaching to get+ 90 brightness of mixed kraft pulp of E. tereticornis, B. aurandacea and P. roxumbergi |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |