BR8605554A - PROCESS FOR THE PRODUCTION OF PAPER AND APPARATUS FOR THE ALKALINE DESIGNIFICATION OF LIGNO-CELLULOSIC FIBROUS MATERIALS - Google Patents
PROCESS FOR THE PRODUCTION OF PAPER AND APPARATUS FOR THE ALKALINE DESIGNIFICATION OF LIGNO-CELLULOSIC FIBROUS MATERIALSInfo
- Publication number
- BR8605554A BR8605554A BR8605554A BR8605554A BR8605554A BR 8605554 A BR8605554 A BR 8605554A BR 8605554 A BR8605554 A BR 8605554A BR 8605554 A BR8605554 A BR 8605554A BR 8605554 A BR8605554 A BR 8605554A
- Authority
- BR
- Brazil
- Prior art keywords
- designification
- ligno
- alkaline
- paper
- production
- 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
- D21C9/1026—Other features in bleaching processes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70157185A | 1985-02-14 | 1985-02-14 | |
PCT/US1986/000308 WO1986004938A1 (en) | 1985-02-14 | 1986-02-12 | Method and apparatus for alkaline delignification of lignocellulosic fibrous materials |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8605554A true BR8605554A (en) | 1987-04-22 |
Family
ID=24817884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8605554A BR8605554A (en) | 1985-02-14 | 1986-02-12 | PROCESS FOR THE PRODUCTION OF PAPER AND APPARATUS FOR THE ALKALINE DESIGNIFICATION OF LIGNO-CELLULOSIC FIBROUS MATERIALS |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0211945A4 (en) |
JP (1) | JPS62501921A (en) |
BR (1) | BR8605554A (en) |
CA (1) | CA1275759C (en) |
FI (1) | FI864154A (en) |
WO (1) | WO1986004938A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5173153A (en) * | 1991-01-03 | 1992-12-22 | Union Camp Patent Holding, Inc. | Process for enhanced oxygen delignification using high consistency and a split alkali addition |
WO1992012289A1 (en) * | 1991-01-03 | 1992-07-23 | Union Camp Patent Holding, Inc. | Chlorine-free process for bleaching lignocellulosic pulp |
EP0530881A1 (en) * | 1991-08-14 | 1993-03-10 | Union Camp Patent Holding, Inc. | Use of wash press for pulp alkali addition process |
FI924751A (en) * | 1991-10-29 | 1993-04-30 | Union Camp Patent Holding | TVAETTPRESSMODIFIKATION FOER EN SYREDELIGNIFIERINGSMETOD |
WO1995006772A1 (en) * | 1993-09-02 | 1995-03-09 | Union Camp Patent Holding, Inc. | Improved method for bleaching lignocellulosic pulp |
WO2020198722A1 (en) * | 2019-03-28 | 2020-10-01 | Delta Separations Llc | Equipment and method for continuously processing plant material |
SE2250793A1 (en) * | 2022-06-27 | 2023-12-28 | Valmet Oy | Method for processing cellulose pulp obtained from a kraft process |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL281630A (en) * | 1963-03-04 | |||
SE334286B (en) * | 1968-12-05 | 1971-04-19 | Mo Och Domsjoe Ab | |
SE415581B (en) * | 1977-04-18 | 1980-10-13 | Mo Och Domsjoe Ab | PROCEDURE FOR PEROCID WHITING OF HOG REPLACEMENT MASS |
US4104114A (en) * | 1977-05-05 | 1978-08-01 | Erco Envirotech Ltd. | Bleach plant operation |
US4154644A (en) * | 1978-02-27 | 1979-05-15 | Georgia-Pacific Corporation | Pulp washer |
JPS54134103A (en) * | 1978-04-07 | 1979-10-18 | Sanyo Kokusaku Pulp Co | Purifying of sulfite pulp |
US4259150A (en) * | 1978-12-18 | 1981-03-31 | Kamyr Inc. | Plural stage mixing and thickening oxygen bleaching process |
US4298427A (en) * | 1979-06-15 | 1981-11-03 | Weyerhaeuser Company | Method and apparatus for intimately mixing oxygen and pulp while using an alkali to extract bleaching by-products |
US4444621A (en) * | 1980-11-21 | 1984-04-24 | Mo Och Domsjo Aktiebolag | Process and apparatus for the deresination and brightness improvement of cellulose pulp |
US4543155A (en) * | 1983-01-31 | 1985-09-24 | The Boc Group, Inc. | Method for bleaching wood pulp including dissolving oxygen into the dilution water of an extraction stage |
US4568420B1 (en) * | 1984-12-03 | 1999-03-02 | Int Paper Co | Multi-stage bleaching process including an enhanced oxidative extraction stage |
-
1986
- 1986-02-12 WO PCT/US1986/000308 patent/WO1986004938A1/en not_active Application Discontinuation
- 1986-02-12 BR BR8605554A patent/BR8605554A/en unknown
- 1986-02-12 JP JP50137086A patent/JPS62501921A/en active Pending
- 1986-02-12 EP EP19860901622 patent/EP0211945A4/en not_active Withdrawn
- 1986-02-14 CA CA000501953A patent/CA1275759C/en not_active Expired - Lifetime
- 1986-10-14 FI FI864154A patent/FI864154A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1275759C (en) | 1990-11-06 |
JPS62501921A (en) | 1987-07-30 |
EP0211945A1 (en) | 1987-03-04 |
WO1986004938A1 (en) | 1986-08-28 |
FI864154A0 (en) | 1986-10-14 |
FI864154A (en) | 1986-10-14 |
EP0211945A4 (en) | 1987-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8504983A (en) | PROCESS AND DEVICE FOR DRYING A BAND OF PAPER OR SIMILAR | |
BR8502313A (en) | SUITABLE COMPOSITION TO FACILITATE THE REMOVAL OF CELLULOSIC FIBER INK DISPOSED RECYCLED AND METHOD FOR MANUFACTURING PULP FROM RECYCLED PRINTED CELLULOSIC MATERIAL | |
PT87062A (en) | APPROPRIATE PROCESS FOR THE PREPARATION OF POLPA FOR THE MANUFACTURE OF PAPER | |
BR8505799A (en) | PROCESS FOR HYDRODESPARAFINATION OF HYDROCARBON FEEDING MATERIAL | |
BR8605989A (en) | SHEET MATERIAL AND PROCESS FOR PREPARING A SHEET MATERIAL | |
BR8103345A (en) | PAPER AND PAPER PRODUCT PROCESS | |
BR8500701A (en) | PROCESS FOR THE PREPARATION OF MATERIALS AND EMPLOYMENT | |
PT80118B (en) | PROCESS FOR THE MANUFACTURE OF NEW CERAMIC MATERIALS AND MATERIALS SO OBTAINED | |
BR7704774A (en) | PROCESS FOR THE PRODUCTION OF A FIBROUS MATERIAL, INTENDED FOR THE PRODUCTION OF HARD FIBER PLATES AND PAPER OR PAPERBOARD FROM VEGETABLE RAW MATERIALS CONTAINING XYLAN | |
BR8600386A (en) | PROCESS AND APPARATUS TO CONTROL A PAPER MANUFACTURER | |
BR9002953A (en) | PROCESS FOR DESIGNIFICATION OF LIGNOCELLULOSIC MATERIAL | |
PT89390A (en) | MACHINE AND PROCESS FOR THE FORMATION OF LEAVES OF FOOD MATERIAL SHEETS | |
BR8501146A (en) | PROCESS FOR THE REMOVAL AND RECOVERY OF VANADIO AND NIQUEL OF MATERIALS CONTAINING VANADIO AND NIQUEL | |
PT90776A (en) | PROCESS FOR THE ENZYMATIC DISLENCHIFICATION OF LIGNOCELLULOSIC MATERIAL | |
BR8301732A (en) | PROCESS FOR FORMING FIBERS FROM A THERMOPLASTIC MATERIAL AND INSULATING PRODUCT | |
PT90935A (en) | PROCESS FOR COLLECTING PAPER AND SIMILAR PRODUCTS | |
BR8707832A (en) | PROCESS FOR THE MANUFACTURE OF PRODUCTS CONTAINING FIBERS OF LIGNOCELLULOSIC MATERIAL | |
BR8605554A (en) | PROCESS FOR THE PRODUCTION OF PAPER AND APPARATUS FOR THE ALKALINE DESIGNIFICATION OF LIGNO-CELLULOSIC FIBROUS MATERIALS | |
BR8401911A (en) | APPARATUS AND PROCESS OF DISPOLVING RAW MATERIAL FOR PAPER | |
BR9100592A (en) | PROCESS FOR THE PRODUCTION OF PULP OF MATERIAL CONTAINING LIGNOCELLULOSIS | |
BR8900414A (en) | PROCESS FOR THE PRODUCTION OF A FIBROUS MATERIAL, AND, PERFECTED FIBROUS MATERIAL | |
BR8606334A (en) | PROCESS FOR THE PRODUCTION OF THERMOPLASTIC SHEETS | |
IT8349537A0 (en) | METHOD FOR DRY DEINKING OF SECONDARY FIBROUS RAW MATERIALS, IN PARTICULAR RECYCLED PAPER FOR THE MANUFACTURING OF PAPER AND RELATED PRODUCTS | |
PT82341B (en) | PROCESS FOR THE PREPARATION OF CELLULOSE PULP | |
BR8907153A (en) | PAPER, CARDBOARD OR OTHER GENERAL PAPERBOARD MATERIAL AND PROCESS FOR ITS PRODUCTION |