CO5611215A2 - Proceso para el blanqueamiento de pulpa de materiales no maderables que contienen lignocelulosa - Google Patents
Proceso para el blanqueamiento de pulpa de materiales no maderables que contienen lignocelulosaInfo
- Publication number
- CO5611215A2 CO5611215A2 CO04106973A CO04106973A CO5611215A2 CO 5611215 A2 CO5611215 A2 CO 5611215A2 CO 04106973 A CO04106973 A CO 04106973A CO 04106973 A CO04106973 A CO 04106973A CO 5611215 A2 CO5611215 A2 CO 5611215A2
- Authority
- CO
- Colombia
- Prior art keywords
- pulp
- process according
- treatment
- chelating agent
- lignocellulose
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
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 |
---|---|---|---|
SE0200981A SE0200981D0 (sv) | 2002-03-28 | 2002-03-28 | Process for bleaching lignocellulose-containing non-wood pulp |
PCT/SE2003/000512 WO2003083208A1 (en) | 2002-03-28 | 2003-03-27 | Process for bleaching lignocellulose-containing non-wood pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
CO5611215A2 true CO5611215A2 (es) | 2006-02-28 |
Family
ID=20287449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CO04106973A CO5611215A2 (es) | 2002-03-28 | 2004-10-25 | Proceso para el blanqueamiento de pulpa de materiales no maderables que contienen lignocelulosa |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN1312354C (zh) |
AU (1) | AU2003216028B2 (zh) |
CO (1) | CO5611215A2 (zh) |
SE (1) | SE0200981D0 (zh) |
WO (1) | WO2003083208A1 (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050051288A1 (en) * | 2003-09-09 | 2005-03-10 | Caifang Yin | Extended retention and medium consistency pulp treatment |
FI123102B (fi) * | 2006-03-31 | 2012-11-15 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
FI122626B (fi) * | 2006-03-31 | 2012-04-30 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
JP4967451B2 (ja) | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
CN101451313B (zh) * | 2007-12-05 | 2012-01-25 | 山东福荫造纸环保科技有限公司 | 一种以禾草类植物为原料制备漂白化学浆的方法 |
CN101451312B (zh) * | 2007-12-05 | 2012-05-02 | 山东福荫造纸环保科技有限公司 | 一种以禾草类植物为原料制备漂白化学浆的方法 |
CN101812812B (zh) * | 2009-02-25 | 2012-08-08 | 山东福荫造纸环保科技有限公司 | 一种植物纤维浆料无元素氯的漂白方法 |
CN104179056A (zh) * | 2013-05-23 | 2014-12-03 | 中国制浆造纸研究院 | 一种麦草浆无元素氯漂白废水回用方法 |
CN104928964B (zh) * | 2014-03-18 | 2017-02-15 | 中国科学院大连化学物理研究所 | 一种减少非木浆造纸氯气漂白过程中二噁英生成的方法 |
KR101806632B1 (ko) * | 2015-12-04 | 2018-01-11 | 현대자동차주식회사 | 습식 페이퍼 마찰재 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69420306T2 (de) * | 1993-04-20 | 2000-04-20 | Eka Chemicals Ab | Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff |
SE502706E (sv) * | 1994-04-05 | 1999-09-27 | Mo Och Domsjoe Ab | Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg |
SE514697C2 (sv) * | 1994-08-31 | 2001-04-02 | Valmet Fibertech Ab | Eliminering av metalljoner vid blekning av massa |
SE507742C2 (sv) * | 1996-11-08 | 1998-07-06 | Sunds Defibrator Ind Ab | Förblekningsbehandling av pappersmassa med klordioxid, alkali och komplexbildare utan mellanliggande tvättar |
US6302997B1 (en) * | 1999-08-30 | 2001-10-16 | North Carolina State University | Process for producing a pulp suitable for papermaking from nonwood fibrous materials |
-
2002
- 2002-03-28 SE SE0200981A patent/SE0200981D0/xx unknown
-
2003
- 2003-03-27 AU AU2003216028A patent/AU2003216028B2/en not_active Ceased
- 2003-03-27 CN CNB038072785A patent/CN1312354C/zh not_active Expired - Fee Related
- 2003-03-27 WO PCT/SE2003/000512 patent/WO2003083208A1/en not_active Application Discontinuation
-
2004
- 2004-10-25 CO CO04106973A patent/CO5611215A2/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
AU2003216028B2 (en) | 2006-03-16 |
AU2003216028A1 (en) | 2003-10-13 |
CN1643209A (zh) | 2005-07-20 |
SE0200981D0 (sv) | 2002-03-28 |
WO2003083208A1 (en) | 2003-10-09 |
CN1312354C (zh) | 2007-04-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Application granted |