ES2062995T3 - Un proceso de produccion de un hidrolizado de hemicelulosa y a una pasta especial. - Google Patents
Un proceso de produccion de un hidrolizado de hemicelulosa y a una pasta especial.Info
- Publication number
- ES2062995T3 ES2062995T3 ES88106006T ES88106006T ES2062995T3 ES 2062995 T3 ES2062995 T3 ES 2062995T3 ES 88106006 T ES88106006 T ES 88106006T ES 88106006 T ES88106006 T ES 88106006T ES 2062995 T3 ES2062995 T3 ES 2062995T3
- Authority
- ES
- Spain
- Prior art keywords
- production process
- hemicellulose hydrolyzate
- special
- pasta
- dissolving
- 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.)
- Expired - Lifetime
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
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K1/00—Glucose; Glucose-containing syrups
- C13K1/02—Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Amplifiers (AREA)
Abstract
EL INVENTO NARRA UN PROCESO PARA LA PRODUCCION DE HEMICELULOSA HIDROLIZADA Y POLVO ESPECIAL A TRAVES DE DOS PASOS, EL PRIMER PASO QUE COMPRENDE LA PREHIDROLISIS DEL MATERIAL Y EL SEGUNDO PASO EL DISOLVER DE LA LIGNINA CONTENIDA EN EL MATERIAL PREHIDROLIZADO. ACORDE AL PROCESO LA LIGNINA DISUELTA ES EXTRAIDA POR MEDIO DE UN ENFRIAMIENTO DE SULFURO NEUTRO CON ANTRAQUININA O UN DERIVADO DE ELLO COMO UN CATALIZADOR, EL PH DEL LIQUIDO ENFRIADO SIENDO INICIALMENTE AL MENOS 10.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI871730A FI79564C (fi) | 1987-04-21 | 1987-04-21 | Foerfarande foer framstaellning av hemicellulosahydrolysat och specialmassa. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2062995T3 true ES2062995T3 (es) | 1995-01-01 |
Family
ID=8524351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES88106006T Expired - Lifetime ES2062995T3 (es) | 1987-04-21 | 1988-05-11 | Un proceso de produccion de un hidrolizado de hemicelulosa y a una pasta especial. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0287960B1 (es) |
AT (1) | ATE111986T1 (es) |
BR (1) | BR8801894A (es) |
CA (1) | CA1295095C (es) |
DE (1) | DE3851565T2 (es) |
ES (1) | ES2062995T3 (es) |
FI (1) | FI79564C (es) |
RU (1) | RU1799408C (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10064131C2 (de) * | 2000-12-22 | 2003-03-27 | Sca Hygiene Prod Gmbh | Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte |
ATE478096T1 (de) * | 2007-11-27 | 2010-09-15 | Innventia Ab | Verwendung eines holzhydrolysats |
FI129760B (en) | 2020-07-06 | 2022-08-15 | Amppc Finland Oy | HIGH YIELD COOKING METHOD |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532597A (en) * | 1969-03-11 | 1970-10-06 | Uddeholms Ab | Preparation of dissolving pulps from wood by hydrolysis and alkaline sulfite digestion |
ZA773044B (en) * | 1976-06-02 | 1978-04-26 | Australian Paper Manufacturers | Improvements in pulping processes |
DE2628971A1 (de) * | 1976-06-28 | 1978-01-05 | Waldhof Aschaffenburg Papier | Verfahren zur herstellung von zellstoff in verbindung mit der gewinnung von holzzuckern |
CA1216105A (en) * | 1984-04-06 | 1987-01-06 | C-I-L Inc. | Pulping process |
-
1987
- 1987-04-21 FI FI871730A patent/FI79564C/fi not_active IP Right Cessation
-
1988
- 1988-04-15 AT AT88106006T patent/ATE111986T1/de active
- 1988-04-15 CA CA000564311A patent/CA1295095C/en not_active Expired - Lifetime
- 1988-04-15 DE DE3851565T patent/DE3851565T2/de not_active Expired - Fee Related
- 1988-04-15 EP EP88106006A patent/EP0287960B1/en not_active Expired - Lifetime
- 1988-04-20 RU SU884355611A patent/RU1799408C/ru active
- 1988-04-21 BR BR8801894A patent/BR8801894A/pt unknown
- 1988-05-11 ES ES88106006T patent/ES2062995T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE111986T1 (de) | 1994-10-15 |
BR8801894A (pt) | 1988-11-22 |
CA1295095C (en) | 1992-02-04 |
FI871730A0 (fi) | 1987-04-21 |
FI871730A (fi) | 1988-10-22 |
FI79564B (fi) | 1989-09-29 |
DE3851565T2 (de) | 1995-01-26 |
FI79564C (fi) | 1990-01-10 |
RU1799408C (ru) | 1993-02-28 |
EP0287960A3 (en) | 1991-04-17 |
EP0287960B1 (en) | 1994-09-21 |
EP0287960A2 (en) | 1988-10-26 |
DE3851565D1 (de) | 1994-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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