BR0005444A - Processo para alvejamento de materiais lignocelulósicos - Google Patents
Processo para alvejamento de materiais lignocelulósicosInfo
- Publication number
- BR0005444A BR0005444A BR0005444-5A BR0005444A BR0005444A BR 0005444 A BR0005444 A BR 0005444A BR 0005444 A BR0005444 A BR 0005444A BR 0005444 A BR0005444 A BR 0005444A
- Authority
- BR
- Brazil
- Prior art keywords
- bleaching
- ozone
- lignocellulosic materials
- stage
- targeting
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/101—Bleaching ; Apparatus therefor in solvent medium
-
- 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
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44332399A | 1999-11-19 | 1999-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0005444A true BR0005444A (pt) | 2001-07-03 |
Family
ID=23760340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0005444-5A BR0005444A (pt) | 1999-11-19 | 2000-11-17 | Processo para alvejamento de materiais lignocelulósicos |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1101860A1 (fr) |
KR (1) | KR20010051774A (fr) |
CN (1) | CN1297085A (fr) |
BR (1) | BR0005444A (fr) |
CA (1) | CA2326311A1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100404754C (zh) * | 2002-10-18 | 2008-07-23 | 梅秀泉 | 生物/氧化法造芦苇浆的制备方法 |
CN100404753C (zh) * | 2002-10-18 | 2008-07-23 | 梅秀泉 | 氧化法全棉秆造新闻纸浆及其制备方法 |
AU2003292884A1 (en) * | 2003-12-25 | 2005-07-21 | Xiuquan Mei | Closed cycle zero discharge oxidizing pulping process |
AU2003292885A1 (en) * | 2003-12-25 | 2005-07-21 | Xiuquan Mei | Closed cycle zero discharge bio-oxidizing pulping process |
CN101105011B (zh) * | 2004-01-17 | 2010-05-12 | 梅秀泉 | 一种氧脱木素和漂白一体化制浆方法及实现该方法的装置 |
KR100811196B1 (ko) * | 2005-10-12 | 2008-03-17 | (주)페가서스인터내셔널 | 외피가 두꺼운 홍조류를 이용한 펄프의 제조방법 |
CN101063278B (zh) * | 2006-04-26 | 2010-12-15 | 北京国力源高分子科技研发中心 | 干香蕉茎在氧自由基脱/漂一体化反应釜中生产漂白纸浆的方法 |
SE532470C2 (sv) * | 2008-05-13 | 2010-02-02 | Metso Paper Inc | Slutblekning av oxygendelignifierad massa med ozon, klordioxid och peroxid |
CN101463573B (zh) * | 2008-12-08 | 2010-12-08 | 沅江纸业有限责任公司 | 一种草浆漂白工艺 |
CN102995478B (zh) * | 2011-09-09 | 2015-04-15 | 吉林化纤集团有限责任公司 | 一种制备高质量低污染竹材溶解浆的漂白方法 |
CN103652828B (zh) * | 2013-11-30 | 2015-04-22 | 陕西科技大学 | 一种苹果膳食纤维的脱色处理方法 |
CN104674588A (zh) * | 2015-03-26 | 2015-06-03 | 广西大学 | 一种优化二氧化氯漂白的方法 |
CN104790241B (zh) * | 2015-05-12 | 2016-08-17 | 四川理工学院 | 一种高纯度高质量竹材溶解浆的清洁制备方法 |
CN105839449B (zh) * | 2016-04-07 | 2017-08-25 | 四川理工学院 | 一种粘胶级竹浆粕的清洁制备方法 |
CN109063995B (zh) * | 2018-07-23 | 2021-09-21 | 华南理工大学 | 一种生物质组分分离利用工艺过程中源污染物质的环境效果评定方法 |
RU2724362C1 (ru) * | 2019-07-04 | 2020-06-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна (СПбГУПТД)" | Способ отбелки целлюлозы |
CN110656527A (zh) * | 2019-09-12 | 2020-01-07 | 华南理工大学 | 一种臭氧和二氧化氯协同高效漂白中浓纸浆的方法及装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT373303B (de) * | 1981-08-06 | 1984-01-10 | Chemiefaser Lenzing Ag | Verfahren zur herstellung von zellstoffen mit niedrigem ligningehalt |
US4959124A (en) * | 1989-05-05 | 1990-09-25 | International Paper Company | Method of bleaching kraft pulp in a DZED sequence |
FR2692499B1 (fr) * | 1992-06-22 | 1994-08-26 | Atochem Elf Sa | Procédé de délignification et de blanchiment d'une matière lignocellulosique. |
US5411635A (en) * | 1993-03-22 | 1995-05-02 | The Research Foundation Of State University Of New York | Ozone/peroxymonosulfate process for delignifying a lignocellulosic material |
FI964715A (fi) * | 1996-11-26 | 1998-05-27 | Keskuslaboratorio | Menetelmä selluloosamassan valkaisemiseksi |
-
2000
- 2000-11-17 CA CA002326311A patent/CA2326311A1/fr not_active Abandoned
- 2000-11-17 BR BR0005444-5A patent/BR0005444A/pt not_active Application Discontinuation
- 2000-11-17 CN CN00128482A patent/CN1297085A/zh active Pending
- 2000-11-17 KR KR1020000068431A patent/KR20010051774A/ko not_active Application Discontinuation
- 2000-11-17 EP EP00125129A patent/EP1101860A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CA2326311A1 (fr) | 2001-05-19 |
KR20010051774A (ko) | 2001-06-25 |
CN1297085A (zh) | 2001-05-30 |
EP1101860A1 (fr) | 2001-05-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired |