PT87431A - Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural - Google Patents
Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfuralInfo
- Publication number
- PT87431A PT87431A PT87431A PT8743188A PT87431A PT 87431 A PT87431 A PT 87431A PT 87431 A PT87431 A PT 87431A PT 8743188 A PT8743188 A PT 8743188A PT 87431 A PT87431 A PT 87431A
- Authority
- PT
- Portugal
- Prior art keywords
- von
- und
- zur
- lignocellulosehaltiger
- kombiniertes
- 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
- D21C3/22—Other features of pulping processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
- C07D307/48—Furfural
- C07D307/50—Preparation from natural products
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0118987A AT387408B (de) | 1987-05-12 | 1987-05-12 | Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural |
Publications (2)
Publication Number | Publication Date |
---|---|
PT87431A true PT87431A (pt) | 1989-05-31 |
PT87431B PT87431B (pt) | 1992-09-30 |
Family
ID=3508538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT87431A PT87431B (pt) | 1987-05-12 | 1988-05-06 | Processo combinado para o tratamento termico e quimico de biomassas contendo ligno-celulose, e para o fabrico de furfural |
Country Status (9)
Country | Link |
---|---|
US (1) | US4916242A (pt) |
EP (1) | EP0291495B1 (pt) |
AT (1) | AT387408B (pt) |
CA (1) | CA1308112C (pt) |
DE (1) | DE3875797D1 (pt) |
ES (1) | ES2035953T3 (pt) |
FI (1) | FI882197A (pt) |
NO (1) | NO882078L (pt) |
PT (1) | PT87431B (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6103057A (en) * | 1997-06-11 | 2000-08-15 | Fagerlund; Bertil K. | Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor |
US6352845B1 (en) | 1999-02-10 | 2002-03-05 | Eastman Chemical Company | Corn fiber for the production of advanced chemicals and materials: separation of monosaccharides and methods thereof |
FI119557B (fi) * | 2002-03-01 | 2008-12-31 | Chempolis Oy | Reaktiivinen erotus |
CA2783942A1 (en) * | 2009-12-16 | 2011-06-23 | Shell Internationale Research Maatschappij B.V. | Method for producing furfural from lignocellulosic biomass material |
EP2511003A1 (en) | 2011-04-13 | 2012-10-17 | Bartholomäus T. Brück | Environment friendly method for the production of cement |
DE102011053034A1 (de) * | 2011-08-26 | 2013-02-28 | Ava-Co2 Schweiz Ag | Verfahren zur Extraktion von Furfuralen aus Biomasse |
US9174909B2 (en) | 2012-02-02 | 2015-11-03 | Wisconsin Alumni Research Foundation | Two-stage, acid-catalyzed conversion of carbohydrates into levulinic acid |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD10734U (pt) * | ||||
US2859108A (en) * | 1953-05-27 | 1958-11-04 | Rosenblads Patenter Ab | Method for preparing digestion acid for digestion of sulphite |
US2999783A (en) * | 1957-10-05 | 1961-09-12 | Hodogaya Chemical Co Ltd | Process for simultaneous production of high alpha-pulp with furfural from latifoliate tree materials |
US3085038A (en) * | 1958-10-15 | 1963-04-09 | Res And Mechanical Applic S P | Production of cellulose furfural and fodder from agricultural waste |
US3532597A (en) * | 1969-03-11 | 1970-10-06 | Uddeholms Ab | Preparation of dissolving pulps from wood by hydrolysis and alkaline sulfite digestion |
US3738908A (en) * | 1971-06-01 | 1973-06-12 | Process Evaluation Devel | Prehydrolysis and digestion of bagasse fibers |
ZA75370B (en) * | 1974-02-15 | 1976-01-28 | H Funk | Method of treating bagasse |
US4155804A (en) * | 1975-03-17 | 1979-05-22 | International Telephone And Telegraph Corporation | Removal of volatile organic components from spent sulfite effluent |
FR2462433A1 (fr) * | 1979-08-03 | 1981-02-13 | Bertin & Cie | Perfectionnements apportes aux procedes et aux appareillages pour l'obtention de furfural a partir de matieres vegetales |
AT367473B (de) * | 1980-04-10 | 1982-07-12 | Kanzler Walter | Verfahren zur gewinnung von furfurol, ameisensaeure, essigsaeure aus sauren hydrolysaten von pflanzen |
AT376717B (de) * | 1983-05-02 | 1984-12-27 | Chemiefaser Lenzing Ag | Verfahren zur gewinnung von furfurol aus sauren abwaessern der zellstoffgewinnung sowie anlage zur durchfuehrung des verfahrens |
DE3435451A1 (de) * | 1984-09-27 | 1986-04-10 | Knauth, Hans, Dipl.-Ing., 7758 Meersburg | Verfahren zur herstellung von zellstoff und furfurol |
-
1987
- 1987-05-12 AT AT0118987A patent/AT387408B/de not_active IP Right Cessation
-
1988
- 1988-05-05 EP EP88890109A patent/EP0291495B1/de not_active Expired - Lifetime
- 1988-05-05 ES ES198888890109T patent/ES2035953T3/es not_active Expired - Lifetime
- 1988-05-05 DE DE8888890109T patent/DE3875797D1/de not_active Expired - Fee Related
- 1988-05-06 PT PT87431A patent/PT87431B/pt not_active IP Right Cessation
- 1988-05-11 FI FI882197A patent/FI882197A/fi not_active Application Discontinuation
- 1988-05-11 NO NO882078A patent/NO882078L/no unknown
- 1988-05-11 CA CA000566463A patent/CA1308112C/en not_active Expired - Fee Related
- 1988-05-12 US US07/193,828 patent/US4916242A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO882078L (no) | 1988-11-14 |
FI882197A0 (fi) | 1988-05-11 |
AT387408B (de) | 1989-01-25 |
CA1308112C (en) | 1992-09-29 |
EP0291495A2 (de) | 1988-11-17 |
ATA118987A (de) | 1988-06-15 |
EP0291495A3 (de) | 1991-07-31 |
PT87431B (pt) | 1992-09-30 |
ES2035953T3 (es) | 1993-05-01 |
NO882078D0 (no) | 1988-05-11 |
US4916242A (en) | 1990-04-10 |
EP0291495B1 (de) | 1992-11-11 |
FI882197A (fi) | 1988-11-13 |
DE3875797D1 (de) | 1992-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19920304 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19930930 |