ZA924357B - Batch process for preparing kraft pulp - Google Patents
Batch process for preparing kraft pulpInfo
- Publication number
- ZA924357B ZA924357B ZA924357A ZA924357A ZA924357B ZA 924357 B ZA924357 B ZA 924357B ZA 924357 A ZA924357 A ZA 924357A ZA 924357 A ZA924357 A ZA 924357A ZA 924357 B ZA924357 B ZA 924357B
- Authority
- ZA
- South Africa
- Prior art keywords
- spent cooking
- cooking liquor
- digester
- batch
- solids content
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
-
- 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
-
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Noodles (AREA)
- Prostheses (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Hybrid Cells (AREA)
- Saccharide Compounds (AREA)
- Commercial Cooking Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI913160A FI92224C (fi) | 1991-06-28 | 1991-06-28 | Eräprosessi kraftmassan valmistamiseksi |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA924357B true ZA924357B (en) | 1993-03-31 |
Family
ID=8532818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA924357A ZA924357B (en) | 1991-06-28 | 1992-06-15 | Batch process for preparing kraft pulp |
Country Status (14)
Country | Link |
---|---|
US (1) | US5643410A (fr) |
EP (1) | EP0520452B1 (fr) |
JP (1) | JP3513619B2 (fr) |
AT (1) | ATE138129T1 (fr) |
AU (1) | AU660023B2 (fr) |
BR (1) | BR9202492A (fr) |
CA (1) | CA2072479C (fr) |
DE (1) | DE69210692T2 (fr) |
ES (1) | ES2089296T3 (fr) |
FI (1) | FI92224C (fr) |
NO (1) | NO180386C (fr) |
PT (1) | PT100633B (fr) |
RU (1) | RU2084575C1 (fr) |
ZA (1) | ZA924357B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI103898B1 (fi) * | 1994-01-24 | 1999-10-15 | Sunds Defibrator Pori Oy | Menetelmä prehydrolysoidun sellun ja/tai sellumassan tuottamiseksi |
FI105929B (fi) * | 1996-05-30 | 2000-10-31 | Sunds Defibrator Pori Oy | Parannettu erämenetelmä sulfaattiselluloosan valmistamiseksi |
FI970254A (fi) * | 1997-01-22 | 1998-07-23 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan keittämiseksi |
US6103057A (en) * | 1997-06-11 | 2000-08-15 | Fagerlund; Bertil K. | Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor |
FI110327B (fi) | 1999-10-04 | 2002-12-31 | Metso Chemical Pulping Oy | Menetelmä sellumassan valmistamiseksi |
FI121384B (fi) * | 1999-12-29 | 2010-10-29 | Metso Paper Inc | Parannettu menetelmä sellumassan valmistamiseksi tärpätin talteenotolla |
FI115640B (fi) * | 2000-11-03 | 2005-06-15 | Metso Paper Inc | Kuumaa mustalipeää käyttävä keittoprosessi |
SE518993E (sv) * | 2002-01-24 | 2013-04-23 | Metso Paper Sweden Ab | Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut |
CN1318690C (zh) * | 2003-08-26 | 2007-05-30 | 山东泉林纸业有限责任公司 | 一种球内洗涤分级蒸煮工艺 |
CN1297708C (zh) * | 2003-08-26 | 2007-01-31 | 山东泉林纸业有限责任公司 | 一种用球内洗涤分级蒸煮工艺生产的浓黑液、黑液 |
FI120361B (fi) * | 2003-12-31 | 2009-09-30 | Gl & V Finance Hungary Kft | Eräkeittomenetelmä kraftmassan valmistamiseksi |
US8832964B2 (en) * | 2010-06-02 | 2014-09-16 | Robert J. Foxen | System and method for recovering turpentine during wood material processing |
FI20105799A0 (fi) | 2010-07-13 | 2010-07-13 | Olli Joutsimo | Parantunut kemiallisen massan valmistusprosessi |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1938957A (en) * | 1932-10-10 | 1933-12-12 | Kearney James R Corp | Guy guard |
US2671727A (en) * | 1948-05-05 | 1954-03-09 | West Virginia Pulp & Paper Co | Manufacture of pulp by the alkaline process |
US4578149A (en) * | 1981-03-05 | 1986-03-25 | Fagerlund Bertil K E | Process for digesting cellulosic material with heat recovery |
US5015333A (en) * | 1983-07-20 | 1991-05-14 | Beloit Corporation | Multi-stage pulp washing within a batch digester |
US4849052A (en) * | 1983-08-24 | 1989-07-18 | Beloit Corporation | Batch digester multi-stage pulping process |
US5059284A (en) * | 1989-10-30 | 1991-10-22 | Beloit Corporation | Apparatus to displace a digester from both ends |
-
1991
- 1991-06-28 FI FI913160A patent/FI92224C/fi not_active IP Right Cessation
-
1992
- 1992-06-15 ZA ZA924357A patent/ZA924357B/xx unknown
- 1992-06-16 AU AU18273/92A patent/AU660023B2/en not_active Ceased
- 1992-06-25 AT AT92110740T patent/ATE138129T1/de active
- 1992-06-25 EP EP92110740A patent/EP0520452B1/fr not_active Expired - Lifetime
- 1992-06-25 DE DE69210692T patent/DE69210692T2/de not_active Expired - Fee Related
- 1992-06-25 ES ES92110740T patent/ES2089296T3/es not_active Expired - Lifetime
- 1992-06-25 NO NO922513A patent/NO180386C/no not_active IP Right Cessation
- 1992-06-26 PT PT100633A patent/PT100633B/pt active IP Right Grant
- 1992-06-26 RU SU925011990A patent/RU2084575C1/ru not_active IP Right Cessation
- 1992-06-26 CA CA002072479A patent/CA2072479C/fr not_active Expired - Lifetime
- 1992-06-29 JP JP19491292A patent/JP3513619B2/ja not_active Expired - Fee Related
- 1992-07-07 BR BR929202492A patent/BR9202492A/pt not_active IP Right Cessation
- 1992-12-28 US US07/997,649 patent/US5643410A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5643410A (en) | 1997-07-01 |
FI92224C (fi) | 1994-10-10 |
ATE138129T1 (de) | 1996-06-15 |
FI92224B (fi) | 1994-06-30 |
BR9202492A (pt) | 1993-02-09 |
AU1827392A (en) | 1993-01-07 |
DE69210692T2 (de) | 1997-01-23 |
CA2072479A1 (fr) | 1992-12-29 |
ES2089296T3 (es) | 1996-10-01 |
CA2072479C (fr) | 2003-05-20 |
FI913160A (fi) | 1992-12-29 |
PT100633B (pt) | 1999-06-30 |
DE69210692D1 (de) | 1996-06-20 |
EP0520452B1 (fr) | 1996-05-15 |
FI913160A0 (fi) | 1991-06-28 |
NO180386C (no) | 1997-04-09 |
NO922513D0 (no) | 1992-06-25 |
JP3513619B2 (ja) | 2004-03-31 |
JPH05186984A (ja) | 1993-07-27 |
RU2084575C1 (ru) | 1997-07-20 |
AU660023B2 (en) | 1995-06-08 |
NO922513L (no) | 1992-12-29 |
EP0520452A1 (fr) | 1992-12-30 |
PT100633A (pt) | 1994-04-29 |
NO180386B (no) | 1996-12-30 |
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