SE7909674L - Sett att kemiskt omvandla lignocellulosa till atskilda fibrer - Google Patents
Sett att kemiskt omvandla lignocellulosa till atskilda fibrerInfo
- Publication number
- SE7909674L SE7909674L SE7909674A SE7909674A SE7909674L SE 7909674 L SE7909674 L SE 7909674L SE 7909674 A SE7909674 A SE 7909674A SE 7909674 A SE7909674 A SE 7909674A SE 7909674 L SE7909674 L SE 7909674L
- Authority
- SE
- Sweden
- Prior art keywords
- catalyst
- minutes
- tappi
- viscosity
- lignocellulosa
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Paper (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA316,951A CA1131415A (en) | 1978-11-27 | 1978-11-27 | Pulping of lignocellulose with aqueous methanol/ catalyst mixture |
| DE2920731A DE2920731C2 (de) | 1978-11-27 | 1979-05-22 | Lignocelluloseaufschlußverfahren mit einem Gemisch von Wasser und niedrig molekularem aliphatischem Alkohol und Metallsalz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7909674L true SE7909674L (sv) | 1980-05-28 |
| SE436899B SE436899B (sv) | 1985-01-28 |
Family
ID=25668832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7909674A SE436899B (sv) | 1978-11-27 | 1979-11-22 | Sett att uppsluta lignocellulosahaltigt vextmaterial |
Country Status (16)
| Country | Link |
|---|---|
| AR (1) | AR223198A1 (sv) |
| AT (1) | AT372991B (sv) |
| AU (1) | AU528703B2 (sv) |
| BR (1) | BR7907651A (sv) |
| DD (1) | DD147259A5 (sv) |
| ES (1) | ES486267A1 (sv) |
| FI (1) | FI69129C (sv) |
| FR (1) | FR2442297A1 (sv) |
| GB (1) | GB2040332B (sv) |
| NO (1) | NO154274C (sv) |
| PH (1) | PH16526A (sv) |
| PL (1) | PL131834B1 (sv) |
| PT (1) | PT70475A (sv) |
| RO (1) | RO77556A (sv) |
| SE (1) | SE436899B (sv) |
| YU (1) | YU41897B (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594130A (en) * | 1978-11-27 | 1986-06-10 | Chang Pei Ching | Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst |
| CA1275286C (en) * | 1986-05-29 | 1990-10-16 | Edward A. Delong | Method for extracting the chemical components from dissociated lignocellulosic material |
| WO2008155634A1 (en) * | 2007-06-20 | 2008-12-24 | Nagarjuna Energy Private Limited | A single step process for separating biomass components |
| EP3167112B1 (en) | 2014-07-10 | 2021-05-26 | Leaf Sciences Pty Ltd | Methods for hydrolysing lignocellulosic material |
| AU2015286229B2 (en) * | 2014-07-10 | 2018-11-08 | Leaf Sciences Pty Ltd | Methods for treating lignocellulosic material |
| CN114645479B (zh) * | 2020-12-19 | 2023-07-25 | 山东洲星天然物提取智能设备有限公司 | 一种纸浆的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI782628A (fi) * | 1977-08-31 | 1979-03-01 | Laszlo Paszner | Organiska loesningsmedel utnyttjande delignifierings- och foersockringsfoerfarande foer lignocellulosahaltiga plantmaterial |
-
1979
- 1979-11-14 AT AT0726179A patent/AT372991B/de not_active IP Right Cessation
- 1979-11-19 YU YU2822/79A patent/YU41897B/xx unknown
- 1979-11-19 NO NO793738A patent/NO154274C/no unknown
- 1979-11-20 PT PT70475A patent/PT70475A/pt unknown
- 1979-11-21 DD DD79217045A patent/DD147259A5/de not_active IP Right Cessation
- 1979-11-21 AU AU53056/79A patent/AU528703B2/en not_active Ceased
- 1979-11-22 SE SE7909674A patent/SE436899B/sv not_active IP Right Cessation
- 1979-11-23 ES ES486267A patent/ES486267A1/es not_active Expired
- 1979-11-23 PL PL1979219837A patent/PL131834B1/pl unknown
- 1979-11-23 FI FI793678A patent/FI69129C/fi not_active IP Right Cessation
- 1979-11-24 RO RO7999349A patent/RO77556A/ro unknown
- 1979-11-26 PH PH23330A patent/PH16526A/en unknown
- 1979-11-26 FR FR7929082A patent/FR2442297A1/fr active Granted
- 1979-11-26 BR BR7907651A patent/BR7907651A/pt not_active IP Right Cessation
- 1979-11-27 AR AR279044A patent/AR223198A1/es active
- 1979-11-27 GB GB7940923A patent/GB2040332B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES486267A1 (es) | 1980-05-16 |
| FR2442297A1 (fr) | 1980-06-20 |
| NO793738L (no) | 1980-05-28 |
| SE436899B (sv) | 1985-01-28 |
| FI793678A (fi) | 1980-05-28 |
| AU5305679A (en) | 1981-06-04 |
| AT372991B (de) | 1983-12-12 |
| ATA726179A (de) | 1983-04-15 |
| FI69129C (fi) | 1985-12-10 |
| PH16526A (en) | 1983-11-10 |
| DD147259A5 (de) | 1981-03-25 |
| NO154274C (no) | 1986-08-20 |
| GB2040332B (en) | 1983-09-07 |
| NO154274B (no) | 1986-05-12 |
| AR223198A1 (es) | 1981-07-31 |
| AU528703B2 (en) | 1983-05-12 |
| RO77556A (ro) | 1982-07-06 |
| PL131834B1 (en) | 1985-01-31 |
| BR7907651A (pt) | 1980-08-26 |
| FI69129B (fi) | 1985-08-30 |
| PT70475A (en) | 1979-12-01 |
| YU282279A (en) | 1982-10-31 |
| GB2040332A (en) | 1980-08-28 |
| FR2442297B1 (sv) | 1983-05-13 |
| YU41897B (en) | 1988-02-29 |
| PL219837A1 (sv) | 1980-12-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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