BR8707844A - Processo para a preparacao de celulose a partir de materias-primas contendo lignina - Google Patents
Processo para a preparacao de celulose a partir de materias-primas contendo ligninaInfo
- Publication number
- BR8707844A BR8707844A BR8707844A BR8707844A BR8707844A BR 8707844 A BR8707844 A BR 8707844A BR 8707844 A BR8707844 A BR 8707844A BR 8707844 A BR8707844 A BR 8707844A BR 8707844 A BR8707844 A BR 8707844A
- Authority
- BR
- Brazil
- Prior art keywords
- lignin
- raw materials
- cellulose
- preparation
- materials containing
- 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
- D21C3/228—Automation of 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compounds Of Unknown Constitution (AREA)
- Enzymes And Modification Thereof (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863636208 DE3636208A1 (de) | 1986-10-24 | 1986-10-24 | Verfahren zur delignifizierung und bleichung von lignicellulosehaltigem bzw. ligninhaltigem material bzw. lignin durch enzymatische behandlung |
PCT/EP1987/000635 WO1988003190A1 (en) | 1986-10-24 | 1987-10-24 | Process for producing cellulose from lignin-containing raw materials |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8707844A true BR8707844A (pt) | 1989-10-03 |
Family
ID=6312392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8707844A BR8707844A (pt) | 1986-10-24 | 1987-10-24 | Processo para a preparacao de celulose a partir de materias-primas contendo lignina |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0327576B1 (pt) |
JP (1) | JPH0718108B2 (pt) |
AT (1) | ATE86318T1 (pt) |
AU (1) | AU605215B2 (pt) |
BR (1) | BR8707844A (pt) |
DE (2) | DE3636208A1 (pt) |
DK (1) | DK170810B1 (pt) |
FI (1) | FI95289C (pt) |
HU (2) | HU202938B (pt) |
NO (1) | NO175104C (pt) |
WO (1) | WO1988003190A1 (pt) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA894239B (en) * | 1988-06-08 | 1990-03-28 | Int Paper Co | Enzymatic delignification of lignocellulosic material |
FI88316C (fi) * | 1989-07-10 | 1993-04-26 | Enso Gutzeit Oy | Foerfarande foer blekning av cellulosamassa |
FI904456A0 (fi) * | 1989-09-12 | 1990-09-10 | Sandoz Ag | Foerfarande foer blekning av cellulosa. |
NZ235983A (en) * | 1989-11-08 | 1993-01-27 | Novo Nordisk As | Process for hydrolysis of resins in lignocellulosic pulp using enzymes simultaneously with peroxy bleaching; ctmp fluff-pulp and absorbent articles produced therefrom |
FI895501A (fi) * | 1989-11-17 | 1991-05-18 | Enso Gutzeit Oy | Foerfarande foer tillverkning av massa. |
FI92414B (fi) * | 1989-11-27 | 1994-07-29 | Enso Gutzeit Oy | Menetelmä massan valmistamiseksi |
FI85389C (fi) * | 1989-12-12 | 1992-04-10 | Enso Gutzeit Oy | Foerfarande foer tillverkning av massa. |
FI900544A (fi) * | 1990-02-02 | 1991-08-03 | Enso Gutzeit Oy Tutkimuskeskus | Foerfarande foer tillverkning av massa. |
DE4008894A1 (de) * | 1990-03-20 | 1991-09-26 | Call Hans Peter | Verfahren zur altpapieraufbereitung mit enzymatischer druckfarbenentfernung |
DE4008893A1 (de) * | 1990-03-20 | 1991-09-26 | Call Hans Peter | Verfahren zum enzymatischen bleichen von zellstoffen |
DK249990D0 (da) * | 1990-10-17 | 1990-10-17 | Novo Nordisk As | Fremgangsmaade til enzymatisk pulpbehandling |
EP0486125A1 (en) * | 1990-11-13 | 1992-05-20 | JAPAN PULP & PAPER RESEARCH INSTITUTE, INC. | Lignocellulolytic composition, process of producing the same and use of the same |
FI905954A (fi) * | 1990-12-03 | 1992-06-04 | Enso Gutzeit Oy | Foerfarande foer blekning av cellulosamassa. |
JPH04240287A (ja) * | 1991-01-21 | 1992-08-27 | Kobe Steel Ltd | パルプの漂白方法 |
FI93230C (fi) * | 1991-03-22 | 1995-03-10 | Genencor Int Europ | Menetelmä mekaanisen massan pihkavaikeuksien vähentämiseksi |
AT400153B (de) * | 1991-05-02 | 1995-10-25 | Voest Alpine Ind Anlagen | Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien |
DE4137761A1 (de) * | 1991-05-17 | 1992-11-19 | Call Hans Peter | Verfahren zur delignifizierung von lignocellulosehaltigem material, bleiche und behandlung von abwaessern mittels laccasen mit erweiteter wirksamkeit |
FI914780A0 (fi) * | 1991-10-10 | 1991-10-10 | Valtion Teknillinen | Foerfarande foer entsymatisk behandling av lignocellulosahaltiga material, i synnerhet cellulosamassor. |
CA2115881C (en) * | 1993-02-25 | 2000-05-23 | Michael G. Paice | Non-chlorine bleaching of kraft pulp |
JP3262646B2 (ja) * | 1993-07-09 | 2002-03-04 | 日本製紙株式会社 | パルプの漂白方法 |
SE505980C2 (sv) * | 1993-12-23 | 1997-10-27 | Bim Kemi Ab | Sätt att förhindra peroxidnedbrytande enzymer vid blekning med väteperoxid |
PT879318E (pt) * | 1996-02-08 | 2002-07-31 | Novozymes As | Processo para aumentar a carga negativa de um material lignocelulosico e um material lignocelulosico modificado com uma densidade de carga aumentada |
DE19820947B4 (de) * | 1997-05-12 | 2005-12-01 | Call, Krimhild | Enzymatisches Bleichsystem mit neuen enzymwirkungsverstärkenden Verbindungen zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien oder Verändern oder Abbau von Kohle sowie Verfahren unter Verwendung des Bleichsystems |
US6942754B2 (en) | 1999-03-23 | 2005-09-13 | Oji Paper Co., Ltd. | Process for producing xylooligosaccharide from lignocellulose pulp |
US6824646B2 (en) | 1999-03-23 | 2004-11-30 | Oji Paper Co., Ltd. | Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1262117B (de) * | 1964-05-05 | 1968-02-29 | Aschaffenburger Zellstoffwerke | Verfahren zur Kontrolle der Bleiche mit Chlordioxyd |
FR1524581A (fr) * | 1966-05-25 | 1968-05-10 | Solvay | Procédé de réglage de la blancheur d'une pâte cellulosique traitée par le peroxyde d'hydrogène ou un produit similaire |
CA1232850A (en) * | 1985-01-17 | 1988-02-16 | Albert D. Friesen | Purification of superoxide dismutase |
-
1986
- 1986-10-24 DE DE19863636208 patent/DE3636208A1/de not_active Withdrawn
-
1987
- 1987-10-24 AT AT87907315T patent/ATE86318T1/de not_active IP Right Cessation
- 1987-10-24 AU AU82303/87A patent/AU605215B2/en not_active Ceased
- 1987-10-24 EP EP87907315A patent/EP0327576B1/de not_active Expired - Lifetime
- 1987-10-24 HU HU875790A patent/HU202938B/hu not_active IP Right Cessation
- 1987-10-24 DE DE8787907315T patent/DE3784515D1/de not_active Expired - Fee Related
- 1987-10-24 HU HU875790A patent/HUT50894A/hu unknown
- 1987-10-24 JP JP62506759A patent/JPH0718108B2/ja not_active Expired - Lifetime
- 1987-10-24 BR BR8707844A patent/BR8707844A/pt not_active IP Right Cessation
- 1987-10-24 WO PCT/EP1987/000635 patent/WO1988003190A1/de active IP Right Grant
-
1988
- 1988-06-23 DK DK344888A patent/DK170810B1/da not_active IP Right Cessation
- 1988-06-24 NO NO882808A patent/NO175104C/no unknown
-
1989
- 1989-04-21 FI FI891909A patent/FI95289C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HU202938B (en) | 1991-04-29 |
FI95289B (fi) | 1995-09-29 |
DK170810B1 (da) | 1996-01-22 |
DK344888D0 (da) | 1988-06-23 |
DE3784515D1 (de) | 1993-04-08 |
DE3636208A1 (de) | 1988-05-05 |
WO1988003190A1 (en) | 1988-05-05 |
ATE86318T1 (de) | 1993-03-15 |
FI95289C (fi) | 1996-01-10 |
JPH02500990A (ja) | 1990-04-05 |
HUT50894A (en) | 1990-03-28 |
FI891909A (fi) | 1989-04-21 |
AU605215B2 (en) | 1991-01-10 |
DK344888A (da) | 1988-06-23 |
NO175104C (no) | 1994-08-31 |
JPH0718108B2 (ja) | 1995-03-01 |
AU8230387A (en) | 1988-05-25 |
EP0327576A1 (de) | 1989-08-16 |
EP0327576B1 (de) | 1993-03-03 |
NO175104B (no) | 1994-05-24 |
FI891909A0 (fi) | 1989-04-21 |
NO882808L (no) | 1988-06-24 |
NO882808D0 (no) | 1988-06-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Letter patent granted | ||
B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 24/10/2002 |