ZA879483B - Procedure for recirculating phenol in a lignocellulosic materials digestion process - Google Patents
Procedure for recirculating phenol in a lignocellulosic materials digestion processInfo
- Publication number
- ZA879483B ZA879483B ZA879483A ZA879483A ZA879483B ZA 879483 B ZA879483 B ZA 879483B ZA 879483 A ZA879483 A ZA 879483A ZA 879483 A ZA879483 A ZA 879483A ZA 879483 B ZA879483 B ZA 879483B
- Authority
- ZA
- South Africa
- Prior art keywords
- phenol
- recirculating
- digestion process
- procedure
- lignocellulosic 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
Landscapes
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compounds Of Unknown Constitution (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Pens And Brushes (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Paper (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI865360A FI77062C (fi) | 1986-12-31 | 1986-12-31 | Foerfarande foer cirkulering av fenol vid en fenolkokningsprocess av lignocellulosamaterial. |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA879483B true ZA879483B (en) | 1988-05-14 |
Family
ID=8523726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA879483A ZA879483B (en) | 1986-12-31 | 1987-12-17 | Procedure for recirculating phenol in a lignocellulosic materials digestion process |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0273759B1 (xx) |
JP (1) | JPS63175188A (xx) |
AT (1) | ATE66974T1 (xx) |
BR (1) | BR8707183A (xx) |
CA (1) | CA1281714C (xx) |
DE (1) | DE3772741D1 (xx) |
FI (1) | FI77062C (xx) |
NO (1) | NO163747C (xx) |
ZA (1) | ZA879483B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19856582C1 (de) * | 1998-12-08 | 2001-03-15 | Rhodia Acetow Ag | Verfahren zur Gewinnung von Chemiezellstoff aus Hackschnitzeln |
JP3393130B2 (ja) | 2000-04-12 | 2003-04-07 | 有限会社一柳 | ラッピング用飾りリボン造形・取付具 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1210209A (fr) * | 1981-12-10 | 1986-08-26 | Herve Tournier | Procede pour delignifier le bois et autres produits lignocellulosiques |
-
1986
- 1986-12-31 FI FI865360A patent/FI77062C/fi not_active IP Right Cessation
-
1987
- 1987-12-17 ZA ZA879483A patent/ZA879483B/xx unknown
- 1987-12-23 NO NO875428A patent/NO163747C/no unknown
- 1987-12-29 EP EP87311493A patent/EP0273759B1/en not_active Expired - Lifetime
- 1987-12-29 DE DE8787311493T patent/DE3772741D1/de not_active Expired - Fee Related
- 1987-12-29 AT AT87311493T patent/ATE66974T1/de active
- 1987-12-29 JP JP62336802A patent/JPS63175188A/ja active Pending
- 1987-12-30 BR BR8707183A patent/BR8707183A/pt unknown
- 1987-12-31 CA CA000555716A patent/CA1281714C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3772741D1 (de) | 1991-10-10 |
NO163747C (no) | 1990-07-11 |
NO875428L (no) | 1988-07-01 |
FI77062B (fi) | 1988-09-30 |
CA1281714C (en) | 1991-03-19 |
NO875428D0 (no) | 1987-12-23 |
EP0273759B1 (en) | 1991-09-04 |
FI865360A0 (fi) | 1986-12-31 |
EP0273759A3 (en) | 1989-08-16 |
FI77062C (fi) | 1989-01-10 |
EP0273759A2 (en) | 1988-07-06 |
FI865360A (fi) | 1988-07-01 |
NO163747B (no) | 1990-04-02 |
ATE66974T1 (de) | 1991-09-15 |
BR8707183A (pt) | 1988-08-09 |
JPS63175188A (ja) | 1988-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE8804578D0 (sv) | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial | |
CA2073763A1 (en) | Ctmp-process | |
EP0415149A3 (en) | Process for bleaching and delignification of lignocellulosic materials | |
PT79157B (en) | Process for treating celulosic materials with oxidants | |
ES8702968A1 (es) | Un metodo de preparacion de pulpa a partir de material celulosico contaminado con impresion. | |
ES8708031A1 (es) | Un metodo para fabricar pasta papelera quimico-mecanica a partir de material lignocelulosico, por ejemplo astillas | |
ES8704569A1 (es) | Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion | |
SE8403372D0 (sv) | Fremgangsmate til delignifisering av kjemisk masse | |
EP0273759A3 (en) | Procedure for recirculating phenol in a lignocellulosic materials digestion process | |
EP0211558A3 (en) | Process for digesting lignocellulosic material | |
DE2964181D1 (en) | Process and apparatus for the continuous cooking of fibrous plant material | |
MY102502A (en) | A process for the manufature of cellulose pulps | |
PL297562A1 (en) | Method of delignifying cellulosic raw materialss | |
US4534397A (en) | Method for producing chemimechanical high yield pulp using an oxygen alkali treatment followed by an oxygen mechanical defibration | |
DE3274887D1 (en) | A method of polysulphide treatment in alkaline pulping of lignocellulose material | |
ZA956506B (en) | Alkaline sulphite pulping | |
SE8902722D0 (sv) | Metod foer styrning av en alkalisk cellulosakokning | |
PT74089A (en) | Chemical pulp prodn. by boiling in two stages - with intermediate mechanical fibre removal | |
ES8304242A1 (es) | Procedimiento mejorado para la preparacion de pastas papeleras quimicas. | |
SE8201369L (sv) | Forfarande for framstellning av dissolvingmassa och/eller pappersmassa av lignocellulosamaterial jemte anleggnig for genomforande av detta forfarande |