SE386216B - Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterial - Google Patents
Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterialInfo
- Publication number
- SE386216B SE386216B SE7303032A SE7303032A SE386216B SE 386216 B SE386216 B SE 386216B SE 7303032 A SE7303032 A SE 7303032A SE 7303032 A SE7303032 A SE 7303032A SE 386216 B SE386216 B SE 386216B
- Authority
- SE
- Sweden
- Prior art keywords
- cellulosa
- masses
- procedure
- preparation
- containing base
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH323372A CH552716A (fr) | 1972-03-06 | 1972-03-06 | Procede d'obtention de la cellulose a partir de matieres premieres ligno-cellulosiques. |
Publications (1)
Publication Number | Publication Date |
---|---|
SE386216B true SE386216B (sv) | 1976-08-02 |
Family
ID=4251528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7303032A SE386216B (sv) | 1972-03-06 | 1973-03-06 | Forfarande for framstellning av cellulosamassa ur lignocellulosahaltiga utgangsmaterial |
Country Status (9)
Country | Link |
---|---|
US (1) | US3932207A (sv) |
AT (1) | AT330568B (sv) |
BR (1) | BR7301663D0 (sv) |
CA (1) | CA987312A (sv) |
CH (1) | CH552716A (sv) |
DE (1) | DE2310547C3 (sv) |
FR (1) | FR2174949B1 (sv) |
GB (1) | GB1386541A (sv) |
SE (1) | SE386216B (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI75615C (sv) * | 1985-11-29 | 1991-08-26 | Ahlstroem Oy | Förfarande för sänkning av svartlutens viskositet |
US5730837A (en) * | 1994-12-02 | 1998-03-24 | Midwest Research Institute | Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars |
AU2003291874A1 (en) * | 2003-06-03 | 2005-01-21 | David Tarasenko | Method for producing pulp and lignin |
US7771565B2 (en) * | 2006-02-21 | 2010-08-10 | Packaging Corporation Of America | Method of pre-treating woodchips prior to mechanical pulping |
GB0821419D0 (en) | 2008-11-24 | 2008-12-31 | Bio Sep Ltd | Processing of biomass |
CA2745466C (en) | 2008-12-08 | 2013-04-09 | Fpinnovations | Increasing alkaline pulping yield for softwood with metal ions |
US10266852B2 (en) | 2013-12-06 | 2019-04-23 | Alliance For Sustainable Energy, Llc | Lignin conversion to fuels, chemicals and materials |
US10017792B2 (en) | 2014-07-18 | 2018-07-10 | Alliance For Sustainable Energy, Llc | Biomass conversion to fuels and chemicals |
US11136601B2 (en) | 2018-08-02 | 2021-10-05 | Alliance For Sustainable Energy, Llc | Conversion of S-lignin compounds to useful intermediates |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1790838A (en) * | 1931-02-03 | of berlin | ||
US1362723A (en) * | 1917-03-26 | 1920-12-21 | Marr Robert Athelstan | Process of producing textile fibers |
GB416558A (en) * | 1933-03-07 | 1934-09-07 | Henry Dreyfus | Improvements in the manufacture of cellulose from ligno-cellulosic materials |
US2068151A (en) * | 1934-11-05 | 1937-01-19 | Du Pont | Paper manufacture |
US2308564A (en) * | 1938-05-13 | 1943-01-19 | Ralph H Mckee | Recovery of cellulose and lignin from wood |
US2753309A (en) * | 1951-10-27 | 1956-07-03 | Pioneer Chemical Works Inc | Defoaming agents |
US3338943A (en) * | 1963-05-13 | 1967-08-29 | Dow Corning | Aminoorganosiloxane-carboxyorganosiloxane copolymers |
US3448002A (en) * | 1964-06-20 | 1969-06-03 | Domtar Ltd | Pulping process |
-
1972
- 1972-03-06 CH CH323372A patent/CH552716A/fr not_active IP Right Cessation
-
1973
- 1973-03-02 FR FR7307579A patent/FR2174949B1/fr not_active Expired
- 1973-03-02 DE DE2310547A patent/DE2310547C3/de not_active Expired
- 1973-03-05 US US05/337,858 patent/US3932207A/en not_active Expired - Lifetime
- 1973-03-05 AT AT193373A patent/AT330568B/de not_active IP Right Cessation
- 1973-03-05 CA CA165,238A patent/CA987312A/en not_active Expired
- 1973-03-06 GB GB1075273A patent/GB1386541A/en not_active Expired
- 1973-03-06 SE SE7303032A patent/SE386216B/sv unknown
- 1973-03-07 BR BR731663A patent/BR7301663D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
FR2174949A1 (sv) | 1973-10-19 |
DE2310547B2 (de) | 1975-02-06 |
DE2310547C3 (de) | 1975-09-11 |
AT330568B (de) | 1976-07-12 |
DE2310547A1 (de) | 1973-09-20 |
GB1386541A (en) | 1975-03-05 |
US3932207A (en) | 1976-01-13 |
BR7301663D0 (pt) | 1974-05-16 |
CA987312A (en) | 1976-04-13 |
ATA193373A (de) | 1975-09-15 |
CH552716A (fr) | 1974-08-15 |
FR2174949B1 (sv) | 1975-10-31 |
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