FI884432A - Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas - Google Patents
Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas Download PDFInfo
- Publication number
- FI884432A FI884432A FI884432A FI884432A FI884432A FI 884432 A FI884432 A FI 884432A FI 884432 A FI884432 A FI 884432A FI 884432 A FI884432 A FI 884432A FI 884432 A FI884432 A FI 884432A
- Authority
- FI
- Finland
- Prior art keywords
- gas
- lignocellulosic material
- activating
- containing gas
- separated
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
-
- 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
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Compounds Of Unknown Constitution (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8703718A SE460543B (sv) | 1987-09-28 | 1987-09-28 | Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas |
| SE8703718 | 1987-09-28 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI884432A0 FI884432A0 (sv) | 1988-09-27 |
| FI884432A true FI884432A (sv) | 1989-03-29 |
| FI93231B FI93231B (sv) | 1994-11-30 |
| FI93231C FI93231C (sv) | 1995-03-10 |
Family
ID=20369679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI884432A FI93231C (sv) | 1987-09-28 | 1988-09-27 | Förfarande vid aktivering av lignocellulosamaterial med kvävedioxid innehållande gas |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0309998B1 (sv) |
| JP (1) | JP2510424B2 (sv) |
| AT (1) | ATE101886T1 (sv) |
| AU (1) | AU605913B2 (sv) |
| CA (1) | CA1301412C (sv) |
| DE (1) | DE3887948T2 (sv) |
| ES (1) | ES2049234T3 (sv) |
| FI (1) | FI93231C (sv) |
| NO (1) | NO172698C (sv) |
| NZ (1) | NZ226104A (sv) |
| SE (1) | SE460543B (sv) |
| ZA (1) | ZA887229B (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE9200183L (sv) * | 1992-01-23 | 1993-07-24 | Kamyr Ab | Avskiljningsanordning samt foerfarande |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4165253A (en) * | 1978-07-20 | 1979-08-21 | Ivanov Mikhail A | Process for producing pulp |
| SE421938B (sv) * | 1980-06-05 | 1982-02-08 | Mo Och Domsjoe Ab | Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning |
| SE451023B (sv) * | 1985-12-10 | 1987-08-24 | Mo Och Domsjoe Ab | Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas |
-
1987
- 1987-09-28 SE SE8703718A patent/SE460543B/sv not_active IP Right Cessation
-
1988
- 1988-09-09 NZ NZ226104A patent/NZ226104A/xx unknown
- 1988-09-14 CA CA000577358A patent/CA1301412C/en not_active Expired - Fee Related
- 1988-09-27 DE DE3887948T patent/DE3887948T2/de not_active Expired - Fee Related
- 1988-09-27 FI FI884432A patent/FI93231C/sv not_active IP Right Cessation
- 1988-09-27 AU AU22832/88A patent/AU605913B2/en not_active Ceased
- 1988-09-27 NO NO884279A patent/NO172698C/no unknown
- 1988-09-27 EP EP88115896A patent/EP0309998B1/en not_active Expired - Lifetime
- 1988-09-27 ES ES88115896T patent/ES2049234T3/es not_active Expired - Lifetime
- 1988-09-27 ZA ZA887229A patent/ZA887229B/xx unknown
- 1988-09-27 AT AT88115896T patent/ATE101886T1/de active
- 1988-09-27 JP JP63242205A patent/JP2510424B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU605913B2 (en) | 1991-01-24 |
| ATE101886T1 (de) | 1994-03-15 |
| SE460543B (sv) | 1989-10-23 |
| SE8703718D0 (sv) | 1987-09-28 |
| NO172698B (no) | 1993-05-18 |
| FI884432A0 (sv) | 1988-09-27 |
| CA1301412C (en) | 1992-05-26 |
| EP0309998A2 (en) | 1989-04-05 |
| DE3887948D1 (de) | 1994-03-31 |
| NO884279L (no) | 1989-03-29 |
| FI93231B (sv) | 1994-11-30 |
| DE3887948T2 (de) | 1994-08-18 |
| NO884279D0 (no) | 1988-09-27 |
| FI93231C (sv) | 1995-03-10 |
| EP0309998A3 (en) | 1991-07-17 |
| JP2510424B2 (ja) | 1996-06-26 |
| ZA887229B (en) | 1989-06-28 |
| ES2049234T3 (es) | 1994-04-16 |
| JPH01104894A (ja) | 1989-04-21 |
| NO172698C (no) | 1993-08-25 |
| AU2283288A (en) | 1989-04-06 |
| NZ226104A (en) | 1990-05-28 |
| SE8703718L (sv) | 1989-03-29 |
| EP0309998B1 (en) | 1994-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: MO OCH DOMSJOE AKTIEBOLAG |