EP0508064A1 - Verfahren zur Delignifizierung von cellulosehaltigen Rohstoffen - Google Patents
Verfahren zur Delignifizierung von cellulosehaltigen Rohstoffen Download PDFInfo
- Publication number
- EP0508064A1 EP0508064A1 EP92102468A EP92102468A EP0508064A1 EP 0508064 A1 EP0508064 A1 EP 0508064A1 EP 92102468 A EP92102468 A EP 92102468A EP 92102468 A EP92102468 A EP 92102468A EP 0508064 A1 EP0508064 A1 EP 0508064A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- acetic acid
- digestion solution
- cellulose
- acid
- 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- Withdrawn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
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
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
-
- 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
-
- 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4107354 | 1991-03-08 | ||
DE4107354A DE4107354C1 (enrdf_load_stackoverflow) | 1991-03-08 | 1991-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0508064A1 true EP0508064A1 (de) | 1992-10-14 |
Family
ID=6426709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92102468A Withdrawn EP0508064A1 (de) | 1991-03-08 | 1992-02-14 | Verfahren zur Delignifizierung von cellulosehaltigen Rohstoffen |
Country Status (6)
Country | Link |
---|---|
US (1) | US5385641A (enrdf_load_stackoverflow) |
EP (1) | EP0508064A1 (enrdf_load_stackoverflow) |
CA (1) | CA2062474A1 (enrdf_load_stackoverflow) |
DE (1) | DE4107354C1 (enrdf_load_stackoverflow) |
FI (1) | FI920830L (enrdf_load_stackoverflow) |
NO (1) | NO920828L (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228171A1 (de) * | 1992-08-25 | 1994-03-03 | Kaemmerer Projekt Agentur Gmbh | Holzaufschluß mit Essigsäure unter Zusatz von Ameisensäure |
WO1996035013A1 (de) * | 1995-05-03 | 1996-11-07 | Sven Siegle | Verfahren zur herstellung einer pulpe aus zellulosehaltigem material, die pulpe selbst und deren verwendung |
WO2011073284A1 (en) | 2009-12-18 | 2011-06-23 | Shell Internationale Research Maatschappij B.V. | A process for the extraction of sugars and lignin from lignocellulose-comprising solid biomass |
DE102015108222A1 (de) | 2015-05-26 | 2016-12-01 | Hochschule Magdeburg-Stendal | Verfahren zur Abtrennung von Lignin aus Biomassen und daraus gewonnene Stoffe |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6302997B1 (en) * | 1999-08-30 | 2001-10-16 | North Carolina State University | Process for producing a pulp suitable for papermaking from nonwood fibrous materials |
AU2003291874A1 (en) * | 2003-06-03 | 2005-01-21 | David Tarasenko | Method for producing pulp and lignin |
AU2003904323A0 (en) * | 2003-08-13 | 2003-08-28 | Viridian Chemical Pty Ltd | Solvents based on salts of aryl acids |
MY181466A (en) | 2010-04-09 | 2020-12-22 | Biority B V | Acetic acid based refining process of biomass |
WO2018013796A1 (en) * | 2016-07-14 | 2018-01-18 | University Of Kansas | Continuous process for the ozonolysis of lignin to yield aromatic monomers |
US12234329B2 (en) | 2019-06-20 | 2025-02-25 | University Of Kansas | Methods for forming lignin prepolymers and lignin resins |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB474305A (en) * | 1936-05-05 | 1937-10-29 | Henry Dreyfus | Improvements in or relating to the manufacture of cellulose from lignocellulosic materials |
US2511096A (en) * | 1943-11-05 | 1950-06-13 | Celanese Corp | Production of cellulose |
EP0325891A1 (de) * | 1988-01-25 | 1989-08-02 | Kunz Holding Gmbh & Co. Kg | Verfahren zur Gewinnung von gebleichtem Zellstoff |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE309551C (enrdf_load_stackoverflow) * | 1916-01-14 | |||
AT83396B (de) * | 1916-06-19 | 1921-03-25 | Hermann Pauly Dr | Verfahren zur Gewinnung der das sogenannte Lignin bildenden Stoffe aus zellulosehaltigen Materialien. |
US3553076A (en) * | 1968-01-22 | 1971-01-05 | Weyerhaeuser Co | Non-catalytic process for the production of cellulose from lignocellulosic materials using acetic acid |
GB1457885A (en) * | 1973-03-29 | 1976-12-08 | Gallaher Ltd | Oxidation of cellulose |
US4283251A (en) * | 1980-01-24 | 1981-08-11 | Scott Paper Company | Ozone effluent bleaching |
SE448006B (sv) * | 1981-09-21 | 1987-01-12 | Mo Och Domsjoe Ab | Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider |
DE3445132A1 (de) * | 1984-12-11 | 1986-06-12 | Nimz, Horst H., Prof.Dr., 2050 Hamburg | Holzaufschluss mit essigsaeure |
DE3881676D1 (de) * | 1988-01-25 | 1993-07-15 | Acetocell Gmbh & Co Kg | Verfahren zur behandlung von lignin enthaltender cellulosemasse mit ozon. |
-
1991
- 1991-03-08 DE DE4107354A patent/DE4107354C1/de not_active Expired - Lifetime
-
1992
- 1992-02-14 EP EP92102468A patent/EP0508064A1/de not_active Withdrawn
- 1992-02-25 FI FI920830A patent/FI920830L/fi not_active Application Discontinuation
- 1992-03-03 NO NO92920828A patent/NO920828L/no unknown
- 1992-03-06 CA CA002062474A patent/CA2062474A1/en not_active Abandoned
- 1992-03-09 US US07/848,132 patent/US5385641A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB474305A (en) * | 1936-05-05 | 1937-10-29 | Henry Dreyfus | Improvements in or relating to the manufacture of cellulose from lignocellulosic materials |
US2511096A (en) * | 1943-11-05 | 1950-06-13 | Celanese Corp | Production of cellulose |
EP0325891A1 (de) * | 1988-01-25 | 1989-08-02 | Kunz Holding Gmbh & Co. Kg | Verfahren zur Gewinnung von gebleichtem Zellstoff |
Non-Patent Citations (1)
Title |
---|
PAPIER, DAS. Bd. 43, Nr. 10A, Oktober 1989, DARMSTADT DE Seiten 102 - 108; NIMZ,H.H. ET AL.: 'Zellstoffgewinnung und -Bleiche nach dem Acetosolv-Verfahren.' * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228171A1 (de) * | 1992-08-25 | 1994-03-03 | Kaemmerer Projekt Agentur Gmbh | Holzaufschluß mit Essigsäure unter Zusatz von Ameisensäure |
WO1996035013A1 (de) * | 1995-05-03 | 1996-11-07 | Sven Siegle | Verfahren zur herstellung einer pulpe aus zellulosehaltigem material, die pulpe selbst und deren verwendung |
US6183597B1 (en) | 1995-05-03 | 2001-02-06 | Natural Pulping Ag | Method of producing a pulp from cellulosic material using formic acid and hydrogen peroxide |
WO2011073284A1 (en) | 2009-12-18 | 2011-06-23 | Shell Internationale Research Maatschappij B.V. | A process for the extraction of sugars and lignin from lignocellulose-comprising solid biomass |
DE102015108222A1 (de) | 2015-05-26 | 2016-12-01 | Hochschule Magdeburg-Stendal | Verfahren zur Abtrennung von Lignin aus Biomassen und daraus gewonnene Stoffe |
Also Published As
Publication number | Publication date |
---|---|
DE4107354C1 (enrdf_load_stackoverflow) | 1992-11-05 |
FI920830A0 (fi) | 1992-02-25 |
FI920830A7 (fi) | 1992-09-09 |
FI920830L (fi) | 1992-09-09 |
NO920828D0 (no) | 1992-03-03 |
CA2062474A1 (en) | 1992-09-09 |
NO920828L (no) | 1992-09-09 |
US5385641A (en) | 1995-01-31 |
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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: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU MC NL PT SE |
|
17P | Request for examination filed |
Effective date: 19920910 |
|
17Q | First examination report despatched |
Effective date: 19940808 |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
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: 19960401 |