BR8208011A - Processo para deslignificacao de madeira e outros produtos lignocelulosicos - Google Patents
Processo para deslignificacao de madeira e outros produtos lignocelulosicosInfo
- Publication number
- BR8208011A BR8208011A BR8208011A BR8208011A BR8208011A BR 8208011 A BR8208011 A BR 8208011A BR 8208011 A BR8208011 A BR 8208011A BR 8208011 A BR8208011 A BR 8208011A BR 8208011 A BR8208011 A BR 8208011A
- Authority
- BR
- Brazil
- Prior art keywords
- liquid
- phenols
- solid
- aqueous
- layer rich
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000002023 wood Substances 0.000 title 1
- 150000002989 phenols Chemical class 0.000 abstract 4
- 239000007788 liquid Substances 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- 239000010410 layer Substances 0.000 abstract 2
- 239000011260 aqueous acid Substances 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000000470 constituent Substances 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 229920005610 lignin Polymers 0.000 abstract 1
- 239000012978 lignocellulosic material Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000012044 organic layer Substances 0.000 abstract 1
- 150000002972 pentoses Chemical class 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 238000000197 pyrolysis 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/003—Pulping cellulose-containing materials with organic compounds
Landscapes
- Compounds Of Unknown Constitution (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Paper (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Stringed Musical Instruments (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32936081A | 1981-12-10 | 1981-12-10 | |
| PCT/EP1982/000255 WO1983002125A1 (en) | 1981-12-10 | 1982-12-07 | A method for the delignification of wood and other ligno-cellulosic products |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8208011A true BR8208011A (pt) | 1983-11-08 |
Family
ID=23285029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8208011A BR8208011A (pt) | 1981-12-10 | 1982-12-07 | Processo para deslignificacao de madeira e outros produtos lignocelulosicos |
Country Status (12)
| Country | Link |
|---|---|
| EP (2) | EP0097188A1 (pt) |
| AT (1) | ATE16206T1 (pt) |
| BE (1) | BE895299A (pt) |
| BR (1) | BR8208011A (pt) |
| CA (1) | CA1210209A (pt) |
| CH (1) | CH653054A5 (pt) |
| DE (1) | DE3267062D1 (pt) |
| ES (1) | ES8404725A1 (pt) |
| FI (1) | FI70938C (pt) |
| FR (1) | FR2518141B1 (pt) |
| NO (1) | NO832783L (pt) |
| WO (1) | WO1983002125A1 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI77061C (fi) * | 1986-12-31 | 1989-01-10 | Neste Oy | Foerfarande foer separering av lignin och fenol fraon fenolloesningar. |
| FI77062C (fi) * | 1986-12-31 | 1989-01-10 | Neste Oy | Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial. |
| DE19856582C1 (de) * | 1998-12-08 | 2001-03-15 | Rhodia Acetow Ag | Verfahren zur Gewinnung von Chemiezellstoff aus Hackschnitzeln |
| BRPI0920639A2 (pt) * | 2008-10-23 | 2015-08-04 | Japan Science & Tech Agency | Unidade de tratamento de ácido concentrado, planta de sistema de separação de fase, e, métodos de tratamento de ácido concentrado, e para conversão do sistema de separação de fase para recurso botânico |
| CA3110389A1 (en) * | 2021-02-25 | 2022-08-25 | Sixring Inc. | Modified sulfuric acid and uses thereof |
| CN113307983B (zh) * | 2021-05-21 | 2022-08-05 | 北京林业大学 | 一种绿色溶剂快速、高得率分离木质素的方法 |
| CN116770613A (zh) * | 2023-08-01 | 2023-09-19 | 贵州大学 | 热致液液相分离溶剂和纤维素预处理及组分分离的方法 |
| CN119570060A (zh) * | 2024-12-02 | 2025-03-07 | 齐鲁工业大学(山东省科学院) | 一种提取浅色酚化木质素的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE457089A (pt) * | 1943-02-27 | |||
| FR989191A (fr) * | 1944-09-07 | 1951-09-05 | Traitement Chimique Des Vegeta | Procédé de traitement des matières fibreuses, plus particulièrement des végétaux en vue de l'obtention de la cellulose |
| US3215588A (en) * | 1963-08-15 | 1965-11-02 | Lummus Co | Continuous impregnation, cooking, and washing of fibrous material |
| AT336992B (de) * | 1975-02-18 | 1977-06-10 | Visch Khim T I Nis | Verfahren und vorrichtung zum herstellen von fasermaterial aus pflanzenrohstoffen |
| DE3161585D1 (en) * | 1980-06-20 | 1984-01-12 | Battelle Memorial Institute | A method for the delignification of wood and other ligno-cellulosic products |
| EP0054015B1 (de) * | 1980-11-20 | 1985-01-16 | Simmering-Graz-Pauker Aktiengesellschaft | Verfahren und Vorrichtung zur Gewinnung von Zellstoff |
-
1982
- 1982-12-07 CH CH7108/82A patent/CH653054A5/fr not_active IP Right Cessation
- 1982-12-07 CA CA000417171A patent/CA1210209A/fr not_active Expired
- 1982-12-07 WO PCT/EP1982/000255 patent/WO1983002125A1/en not_active Ceased
- 1982-12-07 EP EP83900024A patent/EP0097188A1/en not_active Withdrawn
- 1982-12-07 ES ES518003A patent/ES8404725A1/es not_active Expired
- 1982-12-07 BR BR8208011A patent/BR8208011A/pt unknown
- 1982-12-08 FR FR8220587A patent/FR2518141B1/fr not_active Expired
- 1982-12-09 AT AT82810536T patent/ATE16206T1/de not_active IP Right Cessation
- 1982-12-09 DE DE8282810536T patent/DE3267062D1/de not_active Expired
- 1982-12-09 EP EP82810536A patent/EP0082116B1/fr not_active Expired
- 1982-12-09 BE BE0/209694A patent/BE895299A/fr not_active IP Right Cessation
- 1982-12-10 FI FI824244A patent/FI70938C/fi not_active IP Right Cessation
-
1983
- 1983-08-01 NO NO832783A patent/NO832783L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATE16206T1 (de) | 1985-11-15 |
| BE895299A (fr) | 1983-06-09 |
| EP0082116B1 (fr) | 1985-10-23 |
| EP0097188A1 (en) | 1984-01-04 |
| ES518003A0 (es) | 1984-05-01 |
| EP0082116A1 (fr) | 1983-06-22 |
| FI70938B (fi) | 1986-07-18 |
| WO1983002125A1 (en) | 1983-06-23 |
| CA1210209A (fr) | 1986-08-26 |
| FI824244L (fi) | 1983-06-11 |
| FI824244A0 (fi) | 1982-12-10 |
| FI70938C (fi) | 1986-10-27 |
| ES8404725A1 (es) | 1984-05-01 |
| CH653054A5 (fr) | 1985-12-13 |
| FR2518141B1 (fr) | 1986-08-14 |
| FR2518141A1 (fr) | 1983-06-17 |
| NO832783L (no) | 1983-08-01 |
| DE3267062D1 (en) | 1985-11-28 |
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