BRPI0600247A - processo para remoção de ácido urÈnico insaturado em polpa quìmica para produção de papel - Google Patents
processo para remoção de ácido urÈnico insaturado em polpa quìmica para produção de papelInfo
- Publication number
- BRPI0600247A BRPI0600247A BRPI0600247-1A BRPI0600247A BRPI0600247A BR PI0600247 A BRPI0600247 A BR PI0600247A BR PI0600247 A BRPI0600247 A BR PI0600247A BR PI0600247 A BRPI0600247 A BR PI0600247A
- Authority
- BR
- Brazil
- Prior art keywords
- unsaturated
- chemical pulp
- papermaking
- removal process
- acid removal
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/22—Proteins
-
- 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
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Abstract
"PROCESSO PARA REMOçãO DE áCIDO URÈNICO INSATURADO EM POLPA QUìMICA PARA PRODUçãO DE PAPEL". A presente invenção refere-se a um processo para remover ácido urónico insaturado, contido em polpa química para produção de papel, caracterizado por adição de glicuronidase. De acordo com a concretização preferida da presente invenção, em um processo de alvejamento ECF ou TCF, sem uso de cloro molecular, ácido urónico insaturado pode ser reduzido, enquanto controlando o custo do alvejamento, e uma propriedade de reversão de brilho da polpa pode ser aperfeiçoada.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005032317A JP2006219767A (ja) | 2005-02-08 | 2005-02-08 | 製紙用化学パルプ中の不飽和ウロン酸の除去方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0600247A true BRPI0600247A (pt) | 2006-10-03 |
Family
ID=36283941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0600247-1A BRPI0600247A (pt) | 2005-02-08 | 2006-02-07 | processo para remoção de ácido urÈnico insaturado em polpa quìmica para produção de papel |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060177921A1 (pt) |
EP (1) | EP1688535A1 (pt) |
JP (1) | JP2006219767A (pt) |
BR (1) | BRPI0600247A (pt) |
CA (1) | CA2535519A1 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4750068B2 (ja) * | 2007-04-16 | 2011-08-17 | 王子製紙株式会社 | 漂白パルプ中のヘキセンウロン酸含量の測定方法、漂白パルプの製造方法、および紙の製造方法 |
JP5733711B2 (ja) * | 2008-09-17 | 2015-06-10 | 国立大学法人 筑波大学 | ヘキセンウロン酸特異的遊離酵素およびこの酵素を産生する微生物 |
CN111979823A (zh) * | 2020-08-07 | 2020-11-24 | 齐鲁工业大学 | 一种硫酸盐木浆短程序ecf漂白工艺x/d-z-p(x/z-d-p) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8900119A (nl) * | 1989-01-19 | 1990-08-16 | Akzo Nv | Werkwijze voor het afsplitsen van (delta)4-onverzadigd uronzuur in glycosaminoglycaan fragmenten. |
US5837515A (en) * | 1990-05-16 | 1998-11-17 | Alko-Yhtiot Oy | Enzyme preparations and methods for their production |
WO1991018978A1 (en) * | 1990-06-08 | 1991-12-12 | Valtion Teknillinen Tutkimuskeskus | β-XYLANASE PREPARATION, PROCESS FOR THE PREPARATION THEREOF AND ITS USE IN PULP BLEACHING |
NZ239083A (en) * | 1990-07-24 | 1993-08-26 | Gist Brocades Nv | Endo-xylanase-containing silage composition |
FI904214A (fi) * | 1990-08-27 | 1992-02-28 | Valtion Teknillinen | Hydrolyseringsfoerfarande foer hemicellulosa. |
FI89613C (fi) * | 1991-12-05 | 1993-10-25 | Valtion Teknillinen | Foerfarande foer enzymatisk behandling av cellulosamassor |
JPH05247865A (ja) * | 1992-03-06 | 1993-09-24 | Jujo Paper Co Ltd | 漂白パルプの製造方法 |
WO1994014965A1 (en) * | 1992-12-24 | 1994-07-07 | Gist-Brocades N.V. | Cloning and expression of xylanase b |
FI95607C (fi) * | 1994-06-03 | 1996-02-26 | Valtion Teknillinen | Menetelmä ja entsyymivalmiste selluloosamassojen käsittelemiseksi |
US7816129B2 (en) * | 1994-07-29 | 2010-10-19 | Ab Enzymes Gmbh | Production and secretion of proteins of bacterial origin in filamentous fungi |
JPH10504913A (ja) * | 1994-08-26 | 1998-05-12 | アクゾ ノーベル ナムローゼ フェンノートシャップ | 自立の可撓性導波体シートを用いて、光導波体をファイバーコンベクターにする方法 |
JP2000220087A (ja) * | 1999-01-22 | 2000-08-08 | Oji Paper Co Ltd | 製紙用パルプの酵素処理方法 |
JP2000282384A (ja) * | 1999-03-31 | 2000-10-10 | Oji Paper Co Ltd | 漂白パルプの製造方法 |
JP4556344B2 (ja) * | 2001-05-11 | 2010-10-06 | 王子製紙株式会社 | 新規ヘキセンウロニダーゼ、それをコードする遺伝子、およびそれらの使用 |
-
2005
- 2005-02-08 JP JP2005032317A patent/JP2006219767A/ja active Pending
-
2006
- 2006-02-01 EP EP06002054A patent/EP1688535A1/en not_active Withdrawn
- 2006-02-06 US US11/347,324 patent/US20060177921A1/en not_active Abandoned
- 2006-02-07 BR BRPI0600247-1A patent/BRPI0600247A/pt not_active IP Right Cessation
- 2006-02-07 CA CA002535519A patent/CA2535519A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2535519A1 (en) | 2006-08-08 |
EP1688535A1 (en) | 2006-08-09 |
JP2006219767A (ja) | 2006-08-24 |
US20060177921A1 (en) | 2006-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application fees: application dismissed [chapter 8.6 patent gazette] |
Free format text: REFERENTE AS 5A E 6A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2160 DE 29/05/2012. |