SE0101554L - Avlägsnande av metall från finfördelat cellulosahaltigt fibermaterial under inmatning - Google Patents
Avlägsnande av metall från finfördelat cellulosahaltigt fibermaterial under inmatningInfo
- Publication number
- SE0101554L SE0101554L SE0101554A SE0101554A SE0101554L SE 0101554 L SE0101554 L SE 0101554L SE 0101554 A SE0101554 A SE 0101554A SE 0101554 A SE0101554 A SE 0101554A SE 0101554 L SE0101554 L SE 0101554L
- Authority
- SE
- Sweden
- Prior art keywords
- fibrous material
- cellulosic fibrous
- removal
- comminuted cellulosic
- metal
- Prior art date
Links
- 239000002184 metal Substances 0.000 title abstract 5
- 229910052751 metal Inorganic materials 0.000 title abstract 5
- 239000002657 fibrous material Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 abstract 3
- 150000002739 metals Chemical class 0.000 abstract 3
- 230000029087 digestion Effects 0.000 abstract 2
- 239000002002 slurry Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 239000002738 chelating agent Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 238000010926 purge Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/568,962 US6336993B1 (en) | 1996-10-25 | 2000-05-11 | Metal removal from comminuted fibrous material during feeding |
Publications (2)
Publication Number | Publication Date |
---|---|
SE0101554D0 SE0101554D0 (sv) | 2001-05-04 |
SE0101554L true SE0101554L (sv) | 2001-11-12 |
Family
ID=24273489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0101554A SE0101554L (sv) | 2000-05-11 | 2001-05-04 | Avlägsnande av metall från finfördelat cellulosahaltigt fibermaterial under inmatning |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2001316992A (sv) |
CA (1) | CA2345759A1 (sv) |
FI (1) | FI20010854A (sv) |
SE (1) | SE0101554L (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE518957C2 (sv) * | 2002-01-24 | 2002-12-10 | Kvaerner Pulping Tech | Förfarande för att öka värmeekonomin i kokarsystemet vid kontinuerlig kokning |
CA2455172C (en) * | 2003-01-30 | 2010-02-23 | Andritz Inc. | Feeding comminuted fibrous material using high pressure screw and centrifugal pumps |
JP5114629B2 (ja) * | 2008-02-06 | 2013-01-09 | サンノプコ株式会社 | リグノセルロース物質蒸解用蒸解助剤及びパルプの製造方法 |
SE542430C2 (sv) * | 2017-09-19 | 2020-04-28 | Domsjoe Fabriker Ab | Removal of inorganic elements from wood chips |
SE543151C2 (sv) * | 2018-07-02 | 2020-10-13 | Valmet Oy | Feeding system and method for feeding comminuted cellulosic material to a high-pressure treatment zone |
FI129118B (sv) * | 2018-10-03 | 2021-07-30 | Andritz Oy | Förfarande för att mata träflis till en förhydrolysreaktor |
-
2001
- 2001-04-24 FI FI20010854A patent/FI20010854A/sv unknown
- 2001-04-26 JP JP2001128997A patent/JP2001316992A/ja not_active Withdrawn
- 2001-05-01 CA CA002345759A patent/CA2345759A1/en not_active Abandoned
- 2001-05-04 SE SE0101554A patent/SE0101554L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE0101554D0 (sv) | 2001-05-04 |
FI20010854A0 (sv) | 2001-04-24 |
FI20010854A (sv) | 2001-11-12 |
CA2345759A1 (en) | 2001-11-11 |
JP2001316992A (ja) | 2001-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |