CA2203096C - Batch process for preparing improved kraft pulp - Google Patents
Batch process for preparing improved kraft pulp Download PDFInfo
- Publication number
- CA2203096C CA2203096C CA002203096A CA2203096A CA2203096C CA 2203096 C CA2203096 C CA 2203096C CA 002203096 A CA002203096 A CA 002203096A CA 2203096 A CA2203096 A CA 2203096A CA 2203096 C CA2203096 C CA 2203096C
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- cooking
- cooking liquor
- uncausticized
- hot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Reinforced Plastic Materials (AREA)
- Secondary Cells (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI962260A FI105929B (fi) | 1996-05-30 | 1996-05-30 | Parannettu erämenetelmä sulfaattiselluloosan valmistamiseksi |
FI962260 | 1996-05-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2203096A1 CA2203096A1 (en) | 1997-11-30 |
CA2203096C true CA2203096C (en) | 2005-06-28 |
Family
ID=8546116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002203096A Expired - Lifetime CA2203096C (en) | 1996-05-30 | 1997-04-18 | Batch process for preparing improved kraft pulp |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0810321B1 (ru) |
JP (1) | JPH1053989A (ru) |
CN (1) | CN1109160C (ru) |
AT (1) | ATE202167T1 (ru) |
AU (1) | AU721440B2 (ru) |
BR (1) | BR9703156A (ru) |
CA (1) | CA2203096C (ru) |
DE (1) | DE69705160T2 (ru) |
ES (1) | ES2159385T3 (ru) |
FI (1) | FI105929B (ru) |
ID (1) | ID18445A (ru) |
NO (1) | NO972456L (ru) |
NZ (1) | NZ314898A (ru) |
PT (1) | PT810321E (ru) |
RU (1) | RU2128259C1 (ru) |
ZA (1) | ZA973887B (ru) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
FI120361B (fi) * | 2003-12-31 | 2009-09-30 | Gl & V Finance Hungary Kft | Eräkeittomenetelmä kraftmassan valmistamiseksi |
RU2445414C2 (ru) * | 2006-05-19 | 2012-03-20 | Дзе Рисерч Фаундейшн Оф Стейт Юниверсити Оф Нью Йорк | Способы карбонатной предварительной обработки и варки целлюлозного материала |
SE0702874L (sv) * | 2007-12-20 | 2009-06-09 | Metso Fiber Karlstad Ab | Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs |
AU2010202496B2 (en) * | 2010-05-04 | 2015-04-16 | Bahia Specialty Cellulose Sa | Method and system for high alpha dissolving pulp production |
RU2535804C2 (ru) * | 2010-05-04 | 2014-12-20 | Байа Спешалти Сельюлоз Са | Способ и система производства растворимой целлюлозной массы с высоким содержанием альфа-целлюлозы |
EP2567023B1 (en) * | 2010-05-04 | 2014-10-15 | Bahia Specialty Cellulose SA | Method and system for high alpha dissolving pulp production |
KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
EP2592186A1 (en) * | 2011-11-08 | 2013-05-15 | Södra Cell AB | Kraft pulping process |
CN104452389B (zh) * | 2014-11-04 | 2017-02-15 | 中国轻工业南宁设计工程有限公司 | 一种节能的制浆蒸煮顺序联锁控制系统 |
CN104988781B (zh) * | 2015-08-11 | 2017-01-18 | 湛江晨鸣浆纸有限公司 | 一种木片制浆工艺 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55103386A (en) * | 1979-01-29 | 1980-08-07 | Sanyo Kokusaku Pulp Co | Two stage sulphate digesting method |
FI92224C (fi) * | 1991-06-28 | 1994-10-10 | Sunds Defibrator Rauma Oy | Eräprosessi kraftmassan valmistamiseksi |
GB9117936D0 (en) * | 1991-08-20 | 1991-10-09 | Canada Inc | Production of sodium hydroxide |
SE500748C2 (sv) * | 1992-10-12 | 1994-08-22 | Bertil Pettersson | Förfarande vid kemikalieåtervinning i en sulfatmassafabrik för framställning av dels en vitlut med hög sulfiditet och dels en sulfidfattig vitlut |
FI95608B (fi) * | 1994-06-17 | 1995-11-15 | Ahlstroem Oy | Menetelmä keittolipeiden valmistamiseksi viherlipeää kiteyttämällä |
US5674359A (en) * | 1995-02-08 | 1997-10-07 | Ahlstrom Machinery Inc. | Continuous cooking of cellulosic fibrous material with cold alkali impregnation |
-
1996
- 1996-05-30 FI FI962260A patent/FI105929B/fi not_active IP Right Cessation
-
1997
- 1997-04-16 EP EP97660041A patent/EP0810321B1/en not_active Expired - Lifetime
- 1997-04-16 DE DE69705160T patent/DE69705160T2/de not_active Expired - Fee Related
- 1997-04-16 AT AT97660041T patent/ATE202167T1/de active
- 1997-04-16 ES ES97660041T patent/ES2159385T3/es not_active Expired - Lifetime
- 1997-04-16 PT PT97660041T patent/PT810321E/pt unknown
- 1997-04-18 CA CA002203096A patent/CA2203096C/en not_active Expired - Lifetime
- 1997-05-06 ZA ZA9703887A patent/ZA973887B/xx unknown
- 1997-05-09 AU AU20162/97A patent/AU721440B2/en not_active Ceased
- 1997-05-14 BR BR9703156A patent/BR9703156A/pt not_active IP Right Cessation
- 1997-05-21 ID IDP971703A patent/ID18445A/id unknown
- 1997-05-26 NZ NZ314898A patent/NZ314898A/en unknown
- 1997-05-29 RU RU97108781A patent/RU2128259C1/ru not_active IP Right Cessation
- 1997-05-29 NO NO972456A patent/NO972456L/no not_active Application Discontinuation
- 1997-05-29 CN CN97113050A patent/CN1109160C/zh not_active Expired - Fee Related
- 1997-05-30 JP JP9158156A patent/JPH1053989A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0810321A1 (en) | 1997-12-03 |
PT810321E (pt) | 2001-10-31 |
CA2203096A1 (en) | 1997-11-30 |
NZ314898A (en) | 1998-06-26 |
ID18445A (id) | 1998-04-09 |
DE69705160T2 (de) | 2002-05-16 |
FI105929B (fi) | 2000-10-31 |
ES2159385T3 (es) | 2001-10-01 |
FI962260A (fi) | 1997-12-01 |
ZA973887B (en) | 1998-02-25 |
AU721440B2 (en) | 2000-07-06 |
EP0810321B1 (en) | 2001-06-13 |
CN1109160C (zh) | 2003-05-21 |
JPH1053989A (ja) | 1998-02-24 |
RU2128259C1 (ru) | 1999-03-27 |
ATE202167T1 (de) | 2001-06-15 |
NO972456L (no) | 1997-12-01 |
DE69705160D1 (de) | 2001-07-19 |
BR9703156A (pt) | 1998-10-27 |
FI962260A0 (fi) | 1996-05-30 |
CN1170795A (zh) | 1998-01-21 |
AU2016297A (en) | 1997-12-04 |
NO972456D0 (no) | 1997-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20170418 |