EP0211558A3 - Process for digesting lignocellulosic material - Google Patents
Process for digesting lignocellulosic material Download PDFInfo
- Publication number
- EP0211558A3 EP0211558A3 EP86305606A EP86305606A EP0211558A3 EP 0211558 A3 EP0211558 A3 EP 0211558A3 EP 86305606 A EP86305606 A EP 86305606A EP 86305606 A EP86305606 A EP 86305606A EP 0211558 A3 EP0211558 A3 EP 0211558A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- lignocellulosic material
- lignin
- ester
- water
- digesting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000012978 lignocellulosic material Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 229920005610 lignin Polymers 0.000 abstract 3
- 230000001079 digestive effect Effects 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000126 substance Substances 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
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75959185A | 1985-07-26 | 1985-07-26 | |
| US759591 | 1985-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0211558A2 EP0211558A2 (en) | 1987-02-25 |
| EP0211558A3 true EP0211558A3 (en) | 1987-05-27 |
Family
ID=25056238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP86305606A Withdrawn EP0211558A3 (en) | 1985-07-26 | 1986-07-22 | Process for digesting lignocellulosic material |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0211558A3 (da) |
| JP (1) | JPS6269893A (da) |
| CN (1) | CN86105219A (da) |
| AU (1) | AU6049386A (da) |
| BR (1) | BR8603731A (da) |
| DK (1) | DK353886A (da) |
| FI (1) | FI863069A7 (da) |
| NO (1) | NO863018L (da) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8721528D0 (en) * | 1987-09-14 | 1987-10-21 | Shell Int Research | Pulping lignocellulose-containing material |
| EP0325891A1 (de) * | 1988-01-25 | 1989-08-02 | Kunz Holding Gmbh & Co. Kg | Verfahren zur Gewinnung von gebleichtem Zellstoff |
| EP0485150A1 (en) * | 1990-11-06 | 1992-05-13 | Biodyne Chemical Inc. | Pulping processes, extraction of lignin and composition of matter for use in such processes |
| US5730837A (en) * | 1994-12-02 | 1998-03-24 | Midwest Research Institute | Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars |
| AT404478B (de) * | 1996-02-02 | 1998-11-25 | Impco Voest Alpine Pulp Tech | Celluloseherstellung |
| EP2489780B1 (en) * | 2011-02-16 | 2016-07-13 | Rheinisch-Westfälische Technische Hochschule Aachen | Integrated process for the selective fractionation and separation of lignocellulose in its main components |
| BR112014027478B1 (pt) * | 2012-05-03 | 2019-07-02 | Virdia, Inc. | Métodos de processamento de materiais lingnocelulósicos |
| CA2911484C (en) | 2013-05-03 | 2021-05-25 | Virdia, Inc. | Methods for preparing thermally stable lignin fractions |
| PL3166954T3 (pl) | 2014-07-09 | 2019-10-31 | Virdia Inc | Sposoby oddzielania i rafinacji ligniny z ługu czarnego i jej kompozycje |
| CN108473522A (zh) * | 2015-11-16 | 2018-08-31 | Ptt全球化学股份有限公司 | 木质纤维素生物质的分级方法 |
| WO2022125709A1 (en) * | 2020-12-09 | 2022-06-16 | Virdia, Llc | Methods for extracting lignin |
| WO2024017949A1 (en) * | 2022-07-19 | 2024-01-25 | Katholieke Universiteit Leuven | Lignocellulosic biomass refinery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2024689A (en) * | 1934-02-16 | 1935-12-17 | Celanese Corp | Production of cellulose from ligno-cellulosic materials |
| US3553076A (en) * | 1968-01-22 | 1971-01-05 | Weyerhaeuser Co | Non-catalytic process for the production of cellulose from lignocellulosic materials using acetic acid |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044430B2 (ja) * | 1978-09-22 | 1985-10-03 | 東洋紡績株式会社 | 合成高分子成形品の耐溶融加工方法 |
| JPS5846176A (ja) * | 1981-09-10 | 1983-03-17 | 帝人株式会社 | ポリアミド合成繊維の撥水撥油加工方法 |
| JPS59163474A (ja) * | 1983-03-04 | 1984-09-14 | 旭化成株式会社 | 抗菌性を有するポリアミド系繊維製品の製造法 |
| JPS61102492A (ja) * | 1984-10-23 | 1986-05-21 | ユニチカ株式会社 | 染色堅牢度向上方法 |
-
1986
- 1986-07-22 EP EP86305606A patent/EP0211558A3/en not_active Withdrawn
- 1986-07-24 AU AU60493/86A patent/AU6049386A/en not_active Abandoned
- 1986-07-25 DK DK353886A patent/DK353886A/da not_active Application Discontinuation
- 1986-07-25 FI FI863069A patent/FI863069A7/fi not_active Application Discontinuation
- 1986-07-25 BR BR8603731A patent/BR8603731A/pt unknown
- 1986-07-25 NO NO863018A patent/NO863018L/no unknown
- 1986-07-26 CN CN198686105219A patent/CN86105219A/zh active Pending
- 1986-07-26 JP JP61176542A patent/JPS6269893A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2024689A (en) * | 1934-02-16 | 1935-12-17 | Celanese Corp | Production of cellulose from ligno-cellulosic materials |
| US3553076A (en) * | 1968-01-22 | 1971-01-05 | Weyerhaeuser Co | Non-catalytic process for the production of cellulose from lignocellulosic materials using acetic acid |
Non-Patent Citations (1)
| Title |
|---|
| ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, vol. 55, no. 5, November 1984, page 575, abstract no. 5445; Appleton, Wisc., US; A. SAKAKIBARA et al.: "Solvolysis pulping with cresols-water system", & Holzforschung 38, no. 3, 159-165 (June 1984) * |
Also Published As
| Publication number | Publication date |
|---|---|
| FI863069L (fi) | 1987-01-27 |
| DK353886D0 (da) | 1986-07-25 |
| AU6049386A (en) | 1987-03-19 |
| FI863069A0 (fi) | 1986-07-25 |
| BR8603731A (pt) | 1987-03-10 |
| JPS6269893A (ja) | 1987-03-31 |
| NO863018D0 (no) | 1986-07-25 |
| DK353886A (da) | 1987-03-20 |
| CN86105219A (zh) | 1987-02-25 |
| FI863069A7 (fi) | 1987-01-27 |
| NO863018L (no) | 1987-01-27 |
| EP0211558A2 (en) | 1987-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19871130 |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BAIERL, KENNETH W., SR. Inventor name: YOUNG, TIMOTHY R. Inventor name: YOUNG, RAYMOND A. |