FI963448L - Lämpötilan ja alkalipanoksen vaikutus massan vaaleuteen - Google Patents
Lämpötilan ja alkalipanoksen vaikutus massan vaaleuteen Download PDFInfo
- Publication number
- FI963448L FI963448L FI963448A FI963448A FI963448L FI 963448 L FI963448 L FI 963448L FI 963448 A FI963448 A FI 963448A FI 963448 A FI963448 A FI 963448A FI 963448 L FI963448 L FI 963448L
- Authority
- FI
- Finland
- Prior art keywords
- temperature
- effect
- alkali charge
- pulp brightness
- pulp
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
-
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
-
- 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20649694A | 1994-03-04 | 1994-03-04 | |
US20649694 | 1994-03-04 | ||
PCT/US1995/002719 WO1995023891A1 (en) | 1994-03-04 | 1995-03-02 | Impact of temperature and alkali charge on pulp brightness |
US9502719 | 1995-03-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI963448L true FI963448L (fi) | 1996-09-03 |
FI963448A0 FI963448A0 (fi) | 1996-09-03 |
FI118348B FI118348B (fi) | 2007-10-15 |
Family
ID=22766657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI963448A FI118348B (fi) | 1994-03-04 | 1996-09-03 | Lämpötilan ja alkalipanoksen vaikutus massan vaaleuteen |
Country Status (19)
Country | Link |
---|---|
EP (1) | EP0748412B1 (fi) |
JP (1) | JP2876428B2 (fi) |
CN (1) | CN1143398A (fi) |
AT (1) | ATE172503T1 (fi) |
AU (1) | AU684623B2 (fi) |
BR (1) | BR9506974A (fi) |
CA (1) | CA2184706C (fi) |
DE (1) | DE69505503T2 (fi) |
ES (1) | ES2126263T3 (fi) |
FI (1) | FI118348B (fi) |
MX (1) | MX9603876A (fi) |
NO (1) | NO963520L (fi) |
NZ (1) | NZ282616A (fi) |
PL (1) | PL316144A1 (fi) |
RO (1) | RO117929B1 (fi) |
RU (1) | RU2127342C1 (fi) |
TW (1) | TW270159B (fi) |
WO (1) | WO1995023891A1 (fi) |
ZA (1) | ZA951777B (fi) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI970254A (fi) * | 1997-01-22 | 1998-07-23 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan keittämiseksi |
US6139689A (en) * | 1997-06-11 | 2000-10-31 | Beloit Technologies, Inc. | Apparatus for digesting pulp in a displacement batch digester that uses displacement liquor having a sufficient hydrostatic head |
FI20001351A0 (fi) * | 2000-06-06 | 2000-06-06 | Valmet Chemical Pulping Oy | Eräkeittomenetelmä |
SE529475C2 (sv) * | 2006-11-22 | 2007-08-21 | Metso Fiber Karlstad Ab | Metod för att återvinna värmeenergi från svartlut |
KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
CN103757961B (zh) * | 2013-12-30 | 2016-01-20 | 汶瑞机械(山东)有限公司 | 一种间歇蒸煮装置及其布液方法 |
US9644317B2 (en) | 2014-11-26 | 2017-05-09 | International Paper Company | Continuous digester and feeding system |
FI129440B (fi) * | 2020-01-15 | 2022-02-28 | Chempolis Oy | Keittolaitteisto ja -menetelmä lignoselluloosaa sisältävän biomassan käsittelemiseksi |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1687076A (en) * | 1927-10-12 | 1928-10-09 | Venning D Simons | Process for cooking wood chips by the alkaline process of pulp manufacture |
US4578149A (en) * | 1981-03-05 | 1986-03-25 | Fagerlund Bertil K E | Process for digesting cellulosic material with heat recovery |
JPS6059189A (ja) * | 1983-08-24 | 1985-04-05 | ベロイト コ−ポレ−ション | 多段式木材チツプ蒸解法 |
SU1498857A1 (ru) * | 1987-07-17 | 1989-08-07 | Сибирский научно-исследовательский институт целлюлозы и картона | Способ щелочной варки целлюлозы в котлах периодического действи |
-
1995
- 1995-02-23 TW TW084101667A patent/TW270159B/zh active
- 1995-03-02 RO RO96-01743A patent/RO117929B1/ro unknown
- 1995-03-02 AT AT95912729T patent/ATE172503T1/de active
- 1995-03-02 EP EP95912729A patent/EP0748412B1/en not_active Expired - Lifetime
- 1995-03-02 PL PL95316144A patent/PL316144A1/xx unknown
- 1995-03-02 MX MX9603876A patent/MX9603876A/es unknown
- 1995-03-02 AU AU19789/95A patent/AU684623B2/en not_active Ceased
- 1995-03-02 ES ES95912729T patent/ES2126263T3/es not_active Expired - Lifetime
- 1995-03-02 DE DE69505503T patent/DE69505503T2/de not_active Expired - Fee Related
- 1995-03-02 BR BR9506974A patent/BR9506974A/pt not_active IP Right Cessation
- 1995-03-02 CA CA002184706A patent/CA2184706C/en not_active Expired - Fee Related
- 1995-03-02 NZ NZ282616A patent/NZ282616A/en unknown
- 1995-03-02 RU RU96121355A patent/RU2127342C1/ru active
- 1995-03-02 WO PCT/US1995/002719 patent/WO1995023891A1/en active IP Right Grant
- 1995-03-02 CN CN95191955A patent/CN1143398A/zh active Pending
- 1995-03-02 JP JP7523062A patent/JP2876428B2/ja not_active Expired - Lifetime
- 1995-03-03 ZA ZA951777A patent/ZA951777B/xx unknown
-
1996
- 1996-08-23 NO NO963520A patent/NO963520L/no unknown
- 1996-09-03 FI FI963448A patent/FI118348B/fi active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
FI118348B (fi) | 2007-10-15 |
RU2127342C1 (ru) | 1999-03-10 |
DE69505503D1 (de) | 1998-11-26 |
PL316144A1 (en) | 1996-12-23 |
EP0748412A1 (en) | 1996-12-18 |
AU1978995A (en) | 1995-09-18 |
BR9506974A (pt) | 1997-09-16 |
NZ282616A (en) | 1997-05-26 |
CN1143398A (zh) | 1997-02-19 |
MX9603876A (es) | 1997-03-29 |
DE69505503T2 (de) | 1999-10-21 |
JP2876428B2 (ja) | 1999-03-31 |
RO117929B1 (ro) | 2002-09-30 |
TW270159B (fi) | 1996-02-11 |
FI963448A0 (fi) | 1996-09-03 |
CA2184706C (en) | 2001-10-30 |
EP0748412B1 (en) | 1998-10-21 |
ATE172503T1 (de) | 1998-11-15 |
CA2184706A1 (en) | 1995-09-08 |
NO963520L (no) | 1996-08-23 |
ES2126263T3 (es) | 1999-03-16 |
ZA951777B (en) | 1995-12-11 |
AU684623B2 (en) | 1997-12-18 |
WO1995023891A1 (en) | 1995-09-08 |
JPH09505115A (ja) | 1997-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
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