ZA942353B - Cooking system for hardwood - Google Patents
Cooking system for hardwoodInfo
- Publication number
- ZA942353B ZA942353B ZA942353A ZA942353A ZA942353B ZA 942353 B ZA942353 B ZA 942353B ZA 942353 A ZA942353 A ZA 942353A ZA 942353 A ZA942353 A ZA 942353A ZA 942353 B ZA942353 B ZA 942353B
- Authority
- ZA
- South Africa
- Prior art keywords
- hardwood
- cooking system
- cooking
- 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices
-
- 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
- D21C3/24—Continuous processes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/041,572 US5413677A (en) | 1993-04-05 | 1993-04-05 | Method for producing chemical pulp from hardwood chips |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA942353B true ZA942353B (en) | 1994-11-17 |
Family
ID=21917242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA942353A ZA942353B (en) | 1993-04-05 | 1994-04-05 | Cooking system for hardwood |
Country Status (8)
Country | Link |
---|---|
US (1) | US5413677A (xx) |
EP (1) | EP0693143A1 (xx) |
JP (1) | JPH08508551A (xx) |
AU (1) | AU676308B2 (xx) |
BR (1) | BR9405917A (xx) |
CA (1) | CA2159999A1 (xx) |
WO (1) | WO1994023120A1 (xx) |
ZA (1) | ZA942353B (xx) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5650045A (en) * | 1994-12-14 | 1997-07-22 | Salminen; Reijo K. | Apparatus and method for wood pulp digester |
SE505528C2 (sv) * | 1995-04-28 | 1997-09-15 | Kvaerner Pulping Tech | Impregnering av flis med het svartlut i ett kontinuerligt enkärlssystem |
US5658428A (en) * | 1995-10-19 | 1997-08-19 | Kvaerner Pulping Technologies Ab | Method for impregnation in a single-vessel hydraulic digester |
SE517099E (sv) * | 1996-04-17 | 2004-07-13 | Kvaerner Pulping Tech | System innefattande två pumpar för matning av en sspension till ett tryckkärl |
US5736006A (en) * | 1996-10-10 | 1998-04-07 | Ahlstrom Machinery Inc. | Method and apparatus for pulping with controlled heating to improve delignification and pulp strength |
US5882477A (en) * | 1997-02-10 | 1999-03-16 | Ahlstrom Machinery, Inc. | Continuous digester with a low temperature gas-phase |
CA2277931C (en) * | 1997-02-10 | 2006-11-07 | Kvaerner Pulping Aktiebolag | Method and device for the continuous cooking of chemical pulp |
SE511850C2 (sv) * | 1997-02-10 | 1999-12-06 | Kvaerner Pulping Tech | Sätt och anläggning för kontinuerlig kokning av fibermaterial |
WO1998056979A1 (en) * | 1997-06-13 | 1998-12-17 | Kvaerner Pulping Ab | Method for continuous cooking in a single-vessel digester |
US7105076B2 (en) * | 2002-02-04 | 2006-09-12 | Andritz Inc. | Gas phase continuous digester having an inverted top separator with liquor injection |
US7060162B2 (en) * | 2003-08-29 | 2006-06-13 | Jack T. Baker | Chip bin |
US7771565B2 (en) * | 2006-02-21 | 2010-08-10 | Packaging Corporation Of America | Method of pre-treating woodchips prior to mechanical pulping |
SE0602675L (sv) * | 2006-12-13 | 2007-09-18 | Metso Fiber Karlstad Ab | Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri |
US8951388B2 (en) | 2011-04-08 | 2015-02-10 | Pec-Tech Engineering And Construction Pte Ltd | Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester |
US20130146547A1 (en) | 2011-12-07 | 2013-06-13 | Andritz Inc. | Screen basket having diagonal slots for top separator of a digester |
US8986504B1 (en) | 2013-10-25 | 2015-03-24 | International Paper Company | Digester apparatus |
FI126802B (en) | 2014-09-12 | 2017-05-31 | Andritz Oy | Method and hydraulic spout system for producing chemical pulp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE354302B (xx) * | 1972-03-21 | 1973-03-05 | Kamyr Ab | |
US3954553A (en) * | 1972-05-15 | 1976-05-04 | Owens-Illinois, Inc. | Non-sulfur pulping process for corrugating medium using sodium carbonate and sodium hydroxide |
US4668340A (en) * | 1984-03-20 | 1987-05-26 | Kamyr, Inc. | Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material |
SE469078B (sv) * | 1991-08-23 | 1993-05-10 | Kamyr Ab | Saett vid kontinuerlig kokning av cellulosahaltigt fibermaterial |
-
1993
- 1993-04-05 US US08/041,572 patent/US5413677A/en not_active Expired - Lifetime
-
1994
- 1994-04-01 EP EP94913346A patent/EP0693143A1/en not_active Withdrawn
- 1994-04-01 BR BR9405917A patent/BR9405917A/pt not_active Application Discontinuation
- 1994-04-01 WO PCT/US1994/003614 patent/WO1994023120A1/en not_active Application Discontinuation
- 1994-04-01 CA CA002159999A patent/CA2159999A1/en not_active Abandoned
- 1994-04-01 AU AU65543/94A patent/AU676308B2/en not_active Withdrawn - After Issue
- 1994-04-01 JP JP6522417A patent/JPH08508551A/ja active Pending
- 1994-04-05 ZA ZA942353A patent/ZA942353B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU6554394A (en) | 1994-10-24 |
CA2159999A1 (en) | 1994-10-13 |
EP0693143A1 (en) | 1996-01-24 |
US5413677A (en) | 1995-05-09 |
WO1994023120A1 (en) | 1994-10-13 |
BR9405917A (pt) | 1995-12-12 |
AU676308B2 (en) | 1997-03-06 |
JPH08508551A (ja) | 1996-09-10 |
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