SE0201891D0 - Removal of water-soluble compounds from wood chips prior to cooking - Google Patents
Removal of water-soluble compounds from wood chips prior to cookingInfo
- Publication number
- SE0201891D0 SE0201891D0 SE0201891A SE0201891A SE0201891D0 SE 0201891 D0 SE0201891 D0 SE 0201891D0 SE 0201891 A SE0201891 A SE 0201891A SE 0201891 A SE0201891 A SE 0201891A SE 0201891 D0 SE0201891 D0 SE 0201891D0
- Authority
- SE
- Sweden
- Prior art keywords
- water
- cooking
- compounds
- wood chips
- soluble
- Prior art date
Links
- 150000001875 compounds Chemical class 0.000 title abstract 6
- 238000010411 cooking Methods 0.000 title abstract 4
- 239000002023 wood Substances 0.000 title abstract 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 4
- 229910052700 potassium Inorganic materials 0.000 abstract 4
- 239000011591 potassium Substances 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 2
- 150000002736 metal compounds Chemical class 0.000 abstract 2
- 238000000034 method Methods 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
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
Landscapes
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29977001P | 2001-06-22 | 2001-06-22 | |
| US10/159,292 US20030000661A1 (en) | 2001-06-22 | 2002-06-03 | Removal of water-soluble compounds from wood chips prior to cooking |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE0201891D0 true SE0201891D0 (sv) | 2002-06-20 |
| SE0201891L SE0201891L (sv) | 2002-12-23 |
| SE528163C2 SE528163C2 (sv) | 2006-09-19 |
Family
ID=26855812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0201891A SE528163C2 (sv) | 2001-06-22 | 2002-06-20 | Avlägsnande av vattenlösliga föreningar ur träflis före kokningen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20030000661A1 (sv) |
| JP (1) | JP2003020582A (sv) |
| CA (1) | CA2390742C (sv) |
| SE (1) | SE528163C2 (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7309401B2 (en) | 2003-05-12 | 2007-12-18 | Andritz Inc. | Top separator for gas phase and hydraulic phase continuous digesters and method for converting digester |
| EP1561536A1 (de) * | 2004-02-03 | 2005-08-10 | Siemens Aktiengesellschaft | Reparatur-Lotverfahren zum Reparieren eines Bauteils, welches ein Basismaterial mit einer gerichteten Mikrostruktur umfasst |
| FI122651B (sv) * | 2004-11-19 | 2012-05-15 | Metso Paper Inc | Förfarande och anordning för behandling av flis |
| US20150376834A1 (en) * | 2013-02-07 | 2015-12-31 | University Of Maine System Board Of Trustees | Extraction of lignocellulosics for production of fibers and a precipitate-free hemicellulose extract |
| BR112016014206A2 (pt) * | 2013-12-18 | 2017-08-08 | Shell Int Research | Sistema de lavagem de biomassa contínuo ou semicontínuo para coversão hidrocatalítica hidrotérmica |
| SE542430C2 (sv) * | 2017-09-19 | 2020-04-28 | Domsjoe Fabriker Ab | Removal of inorganic elements from wood chips |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI58360C (fi) * | 1974-06-14 | 1981-01-12 | Mo Och Domsjoe Ab | Foerfarande foer delignifiering av lignocellulosahaltigt material med hjaelp av syreinnehaollande gas och apparatur foer utfoerande av detta foerfarande |
| SE416481B (sv) * | 1977-05-02 | 1981-01-05 | Mo Och Domsjoe Ab | Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts |
| US4826567A (en) * | 1985-08-05 | 1989-05-02 | Interox (Societe Anonyme) | Process for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxide |
| FI81396C (sv) * | 1988-10-25 | 1990-10-10 | Enso Gutzeit Oy | Förfarande för behandling av avfallsvatten från träförädlingsindustri ns massaframställningsprocesser |
| US6143134A (en) * | 1998-11-06 | 2000-11-07 | Andritz-Ahlstrom Inc. | Chip spreader for air-lock feeder |
-
2002
- 2002-06-03 US US10/159,292 patent/US20030000661A1/en not_active Abandoned
- 2002-06-14 JP JP2002174678A patent/JP2003020582A/ja active Pending
- 2002-06-17 CA CA002390742A patent/CA2390742C/en not_active Expired - Fee Related
- 2002-06-20 SE SE0201891A patent/SE528163C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2390742C (en) | 2009-11-10 |
| CA2390742A1 (en) | 2002-12-22 |
| SE0201891L (sv) | 2002-12-23 |
| SE528163C2 (sv) | 2006-09-19 |
| US20030000661A1 (en) | 2003-01-02 |
| JP2003020582A (ja) | 2003-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |