AR062866A1 - PULP TREATMENT - Google Patents
PULP TREATMENTInfo
- Publication number
- AR062866A1 AR062866A1 ARP070104103A AR062866A1 AR 062866 A1 AR062866 A1 AR 062866A1 AR P070104103 A ARP070104103 A AR P070104103A AR 062866 A1 AR062866 A1 AR 062866A1
- Authority
- AR
- Argentina
- Prior art keywords
- pulp treatment
- suspension
- pulp
- separating
- treating
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from 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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/143—Agents preventing ageing of paper, e.g. radiation absorbing substances
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Abstract
La presente se refiere a un método para tratar una suspension acuosa de pulpa blanqueada derivada de un proceso de pulpaje alcalino, método que comprende separar el agua y secar dicha suspension, donde el pH de la suspension a ser tratada se encuentra en la gama desde aproximadamente 6,5 hasta aproximadamente 12.This refers to a method for treating an aqueous suspension of bleached pulp derived from an alkaline pulp process, a method comprising separating the water and drying said suspension, where the pH of the suspension to be treated is in the range from approximately 6.5 to about 12.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06121100 | 2006-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR062866A1 true AR062866A1 (en) | 2008-12-10 |
Family
ID=37814621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP070104103 AR062866A1 (en) | 2006-09-22 | 2007-09-17 | PULP TREATMENT |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP2074257B1 (en) |
AR (1) | AR062866A1 (en) |
BR (1) | BRPI0717429A2 (en) |
CA (1) | CA2664088C (en) |
CL (1) | CL2007002697A1 (en) |
EA (1) | EA014734B1 (en) |
ES (1) | ES2612270T3 (en) |
NO (1) | NO20091573L (en) |
PT (1) | PT2074257T (en) |
WO (1) | WO2008036031A1 (en) |
ZA (1) | ZA200902765B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2570175T3 (en) | 2010-11-16 | 2016-05-17 | Basf Se | Manufacture of cellulose pulp sheets |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA821268B (en) * | 1981-03-06 | 1983-03-30 | Courtaulds Ltd | Drying wood pulp |
SE441107C (en) * | 1982-05-07 | 1991-03-07 | Modo Chemetics Ab | PROCEDURES FOR PREPARING CHEAP HIGH-EXCHANGE MASS WITH GOOD PAPER CHARACTERISTICS |
SE8701252D0 (en) * | 1987-03-03 | 1987-03-25 | Eka Nobel Ab | SET FOR PAPER MAKING |
US5785810A (en) * | 1991-08-21 | 1998-07-28 | Salminen; Reijo K. | Wood pulp processing apparatus and method |
US5695609A (en) * | 1992-01-20 | 1997-12-09 | Kemira Oy | Process for producing paper |
AU3217399A (en) * | 1998-03-31 | 1999-10-18 | Callaway Corporation | Improving retention and drainage in alkaline fine paper |
US7081184B2 (en) * | 2002-05-15 | 2006-07-25 | Weyerhaeuser Company | Process for making a very low COD unbleached pulp |
SE526292C2 (en) * | 2004-04-07 | 2005-08-16 | Kvaerner Pulping Tech | Method and apparatus for diluting dewatered cellulose pulp |
-
2007
- 2007-08-29 WO PCT/SE2007/050588 patent/WO2008036031A1/en active Application Filing
- 2007-08-29 ES ES07794198.7T patent/ES2612270T3/en active Active
- 2007-08-29 EP EP07794198.7A patent/EP2074257B1/en not_active Not-in-force
- 2007-08-29 BR BRPI0717429-2A patent/BRPI0717429A2/en not_active Application Discontinuation
- 2007-08-29 CA CA2664088A patent/CA2664088C/en not_active Expired - Fee Related
- 2007-08-29 PT PT77941987T patent/PT2074257T/en unknown
- 2007-08-29 EA EA200970314A patent/EA014734B1/en not_active IP Right Cessation
- 2007-09-17 AR ARP070104103 patent/AR062866A1/en not_active Application Discontinuation
- 2007-09-20 CL CL2007002697A patent/CL2007002697A1/en unknown
-
2009
- 2009-04-21 NO NO20091573A patent/NO20091573L/en not_active Application Discontinuation
- 2009-04-21 ZA ZA200902765A patent/ZA200902765B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA200902765B (en) | 2010-03-31 |
EP2074257B1 (en) | 2016-11-23 |
EP2074257A1 (en) | 2009-07-01 |
EA200970314A1 (en) | 2009-10-30 |
BRPI0717429A2 (en) | 2013-11-12 |
CA2664088A1 (en) | 2008-03-27 |
CA2664088C (en) | 2015-02-24 |
EA014734B1 (en) | 2011-02-28 |
ES2612270T3 (en) | 2017-05-16 |
WO2008036031A1 (en) | 2008-03-27 |
NO20091573L (en) | 2009-04-21 |
PT2074257T (en) | 2017-02-10 |
CL2007002697A1 (en) | 2008-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC | Refusal |