FI98536B - Menetelmä lignoselluloosamateriaalien valkaisemiseksi ja delignifioimiseksi - Google Patents
Menetelmä lignoselluloosamateriaalien valkaisemiseksi ja delignifioimiseksiInfo
- Publication number
- FI98536B FI98536B FI904088A FI904088A FI98536B FI 98536 B FI98536 B FI 98536B FI 904088 A FI904088 A FI 904088A FI 904088 A FI904088 A FI 904088A FI 98536 B FI98536 B FI 98536B
- Authority
- FI
- Finland
- Prior art keywords
- bleaching
- lignocellulosic materials
- delignifying lignocellulosic
- delignifying
- materials
- 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
- 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
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/395,520 US5091054A (en) | 1989-08-18 | 1989-08-18 | Process for bleaching and delignification of lignocellulosic |
US39552089 | 1989-08-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI904088A0 FI904088A0 (fi) | 1990-08-17 |
FI98536B true FI98536B (fi) | 1997-03-27 |
FI98536C FI98536C (fi) | 1997-07-10 |
Family
ID=23563395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI904088A FI98536C (fi) | 1989-08-18 | 1990-08-17 | Menetelmä lignoselluloosamateriaalien valkaisemiseksi ja delignifioimiseksi |
Country Status (8)
Country | Link |
---|---|
US (1) | US5091054A (fi) |
EP (1) | EP0415149B1 (fi) |
AT (1) | ATE112339T1 (fi) |
CA (1) | CA2023429C (fi) |
DE (1) | DE69012931T2 (fi) |
ES (1) | ES2060877T3 (fi) |
FI (1) | FI98536C (fi) |
MX (1) | MX166992B (fi) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1004674A3 (fr) * | 1991-03-11 | 1993-01-12 | Interox Internat Sa | Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft. |
US6398908B1 (en) | 1991-04-30 | 2002-06-04 | Eka Nobel Ab | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound |
BE1004974A3 (fr) * | 1991-06-06 | 1993-03-09 | Interox Internat Sa | Procede pour le blanchiment et la delignification de pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft et des pates asam. |
BE1005094A3 (fr) * | 1991-07-10 | 1993-04-20 | Interox Internat Sa | Procede pour la preservation des caracteristiques de resistance mecanique des pates a papier chimiques et application de ce procede au blanchiment et a la delignification des pates kraft. |
IT1258844B (it) * | 1992-01-31 | 1996-02-29 | Ausimont Spa | Procedimento per la delignificazione di cellulosa grezza |
US5433825A (en) * | 1992-02-06 | 1995-07-18 | The United States Of America As Represented By The Secretary Of Agriculture | Method for pulping wood chips separate alkali and peroxymonosulfate treatments |
BE1006057A3 (fr) * | 1992-07-06 | 1994-05-03 | Solvay Interox | Procede pour la delignification d'une pate a papier chimique. |
BE1006056A3 (fr) | 1992-07-06 | 1994-05-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
US5589032A (en) * | 1992-09-21 | 1996-12-31 | North Carolina State University | Process for preparing a bleaching liquor containing percarboxylic acid and caro's acid |
SE512137C2 (sv) † | 1992-10-29 | 2000-01-31 | Eka Chemicals Ab | Förfarande för blekning av lignocellulosahaltig massa |
MX9307415A (es) * | 1992-11-27 | 1994-07-29 | Eka Nobel Ab | Proceso para la deslignificacion de pulpa que contiene lignocelulosa. |
US6007678A (en) * | 1992-11-27 | 1999-12-28 | Eka Nobel Ab | Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof |
CA2149649C (en) * | 1992-11-27 | 2000-09-19 | Magnus Linsten | Process for bleaching of lignocellulose-containing pulp |
US5387317A (en) * | 1993-01-28 | 1995-02-07 | The Mead Corporation | Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps |
US5411635A (en) * | 1993-03-22 | 1995-05-02 | The Research Foundation Of State University Of New York | Ozone/peroxymonosulfate process for delignifying a lignocellulosic material |
SE9401628L (sv) * | 1994-05-10 | 1995-11-11 | Stora Kopparbergs Bergslags Ab | Förfarande vid syrgasdelignifiering |
DE4422307A1 (de) * | 1994-06-17 | 1995-12-21 | Melitta Haushaltsprodukte | Verfahren zum Delignifizieren und Bleichen von ungebleichten Zellstoffsuspensionen unter Verwendung von Stickstoffverbindungen |
US5503709A (en) * | 1994-07-27 | 1996-04-02 | Burton; Steven W. | Environmentally improved process for preparing recycled lignocellulosic materials for bleaching |
SE514697C2 (sv) * | 1994-08-31 | 2001-04-02 | Valmet Fibertech Ab | Eliminering av metalljoner vid blekning av massa |
US5656130A (en) * | 1995-04-28 | 1997-08-12 | Union Camp Holding, Inc. | Ambient temperature pulp bleaching with peroxyacid salts |
US5770011A (en) * | 1995-11-17 | 1998-06-23 | International Paper Company | Neutral monoperoxysulfate bleaching process |
FR2747406B1 (fr) * | 1996-04-12 | 1998-08-28 | Air Liquide | Procede de delignification a l'oxygene d'une pate a papier |
ATE284994T1 (de) * | 1997-03-21 | 2005-01-15 | Degussa Initiators Gmbh & Co K | Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben |
US6511578B2 (en) | 1997-03-21 | 2003-01-28 | Peroxid-Chemie Gmbh & Co. Kg | Bleaching and delignifying cellulosic pulp using caroate/caro's acid solution |
EP0931874A1 (en) * | 1998-01-22 | 1999-07-28 | Degussa-Hüls Aktiengesellschaft | Pulp bleaching process including final stage treatment step with salt of peroxymonosulfuric acid |
JP4967451B2 (ja) * | 2006-05-17 | 2012-07-04 | 三菱瓦斯化学株式会社 | 漂白パルプの製造方法 |
US7976677B2 (en) * | 2006-12-18 | 2011-07-12 | International Paper Company | Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base |
US7976676B2 (en) * | 2006-12-18 | 2011-07-12 | International Paper Company | Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base |
EP2224055B1 (en) * | 2007-12-20 | 2016-03-16 | Mitsubishi Gas Chemical Company, Inc. | Process for production of bleached pulp |
US9365525B2 (en) | 2013-02-11 | 2016-06-14 | American Science And Technology Corporation | System and method for extraction of chemicals from lignocellulosic materials |
US9382283B2 (en) | 2014-08-01 | 2016-07-05 | American Science And Technology Corporation | Oxygen assisted organosolv process, system and method for delignification of lignocellulosic materials and lignin recovery |
US9950858B2 (en) | 2015-01-16 | 2018-04-24 | R.J. Reynolds Tobacco Company | Tobacco-derived cellulose material and products formed thereof |
US11154087B2 (en) | 2016-02-02 | 2021-10-26 | R.J. Reynolds Tobacco Company | Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds |
US10196778B2 (en) | 2017-03-20 | 2019-02-05 | R.J. Reynolds Tobacco Company | Tobacco-derived nanocellulose material |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2520397A1 (fr) * | 1982-01-28 | 1983-07-29 | Centre Tech Ind Papier | Procede pour le traitement de pates papetieres chimiques |
FR2576930B1 (fr) * | 1985-02-04 | 1988-08-12 | Interox | Procede pour la delignification et le blanchiment de pate a papier chimique ou semi-chimique de bagasse |
FR2626020B1 (fr) * | 1988-01-20 | 1990-05-04 | Protex Manuf Prod Chimiq | Procede ameliore de blanchiment de fibres cellulosiques a l'aide de peroxyde d'hydrogene en milieu alcalin |
-
1989
- 1989-08-18 US US07/395,520 patent/US5091054A/en not_active Expired - Fee Related
-
1990
- 1990-08-10 ES ES90115358T patent/ES2060877T3/es not_active Expired - Lifetime
- 1990-08-10 AT AT90115358T patent/ATE112339T1/de not_active IP Right Cessation
- 1990-08-10 DE DE69012931T patent/DE69012931T2/de not_active Expired - Fee Related
- 1990-08-10 EP EP90115358A patent/EP0415149B1/en not_active Expired - Lifetime
- 1990-08-16 CA CA002023429A patent/CA2023429C/en not_active Expired - Fee Related
- 1990-08-17 FI FI904088A patent/FI98536C/fi not_active IP Right Cessation
- 1990-08-17 MX MX022005A patent/MX166992B/es unknown
Also Published As
Publication number | Publication date |
---|---|
FI98536C (fi) | 1997-07-10 |
EP0415149A2 (en) | 1991-03-06 |
CA2023429C (en) | 2000-05-30 |
ES2060877T3 (es) | 1994-12-01 |
DE69012931T2 (de) | 1995-03-16 |
ATE112339T1 (de) | 1994-10-15 |
US5091054A (en) | 1992-02-25 |
EP0415149B1 (en) | 1994-09-28 |
MX166992B (es) | 1993-02-19 |
FI904088A0 (fi) | 1990-08-17 |
DE69012931D1 (de) | 1994-11-03 |
CA2023429A1 (en) | 1991-02-19 |
EP0415149A3 (en) | 1992-01-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI98536B (fi) | Menetelmä lignoselluloosamateriaalien valkaisemiseksi ja delignifioimiseksi | |
FI843468A (fi) | Foerfarande foer behandling av cellulosahaltiga material med ett oxidationsmedel. | |
FR2457339B1 (fi) | ||
SE9201800L (sv) | Förfarande för framställning av fiberboard enligt torra metoden | |
SE8902566D0 (sv) | Bleaching pulp with ozone-chlorine mixtures | |
FI920609A0 (fi) | Foerbaettring betraeffande syreblekning av massa. | |
FI861967A0 (fi) | Sulfitkokfoerfarande foer framstaellning av cellulosa ur lignocellulosahaltiga material inkluderande aotervinning av kokkemikalier. | |
NO176061C (no) | Fremgangsmåte ved bleking av masse av celluloseinneholdende fibermateriale | |
FI964499A (fi) | Menetelmä delignifioitujen ja valkaistujen kemiallisten paperimassojen valmistamiseksi | |
SE8604212L (sv) | Forfarande vid tillverkning av produkter innehallande trefibrer | |
FI881282A0 (fi) | Menetelmä delignifioitujen selluloosa-aineiden poistamiseksi keittimistä | |
SE8400392D0 (sv) | Anordning for behandling av ett fibrigt material | |
DE68928822T2 (de) | Verfahren zur Herstellung von gebleichten chemithermomechanischen Zellstoffen | |
NO176060C (no) | Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale | |
SE504340E (sv) | Förfarande för delignifiering/blekning av lignininnehållande cellulosamassa | |
FI96780B (fi) | Menetelmä ja laite selluloosapitoisen kuitumateriaalin keiton yhteydessä syntyvän jätelipeän haihduttamiseksi | |
FI941615A0 (fi) | Menetelmä lignoselluloosapitoisten materiaalien, etenkin selluloosamassojen entsymaattiseksi käsittelemiseksi | |
DE3674866D1 (de) | Verfahren zur delignifizierung von zellulosematerialien. | |
FI894649A0 (fi) | Fibreringsbehandling av ett lignocellulosahaltigt aemne. | |
BR9201075A (pt) | Metodo de producao de polpa e metodo de tratamento de material fibroso celulosico triturado | |
NO951464D0 (no) | Fremgangsmåte til behandling av sulfittmasse för bleking med oksygenholdige kjemikalier | |
SE8502556L (sv) | Sett att behandla fibermaterial | |
NO864070D0 (no) | Fremgangsmaate og apparatur for alkalisk delignifisering av lignocelluloseholdige fibermaterialer. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: DEGUSSA AKTIENGESELLSCHAFT |
|
BB | Publication of examined application | ||
MM | Patent lapsed |
Owner name: DEGUSSA AKTIENGESELLSCHAFT |