BR8000205A - Processo de preparacao de polpas descoradas - Google Patents
Processo de preparacao de polpas descoradasInfo
- Publication number
- BR8000205A BR8000205A BR8000205A BR8000205A BR8000205A BR 8000205 A BR8000205 A BR 8000205A BR 8000205 A BR8000205 A BR 8000205A BR 8000205 A BR8000205 A BR 8000205A BR 8000205 A BR8000205 A BR 8000205A
- Authority
- BR
- Brazil
- Prior art keywords
- prepared blood
- blood pulp
- pulp
- prepared
- blood
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7900302A SE436368B (sv) | 1979-01-12 | 1979-01-12 | Sett att framstella blekta, mekaniska, kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8000205A true BR8000205A (pt) | 1980-10-21 |
Family
ID=20337014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8000205A BR8000205A (pt) | 1979-01-12 | 1980-01-14 | Processo de preparacao de polpas descoradas |
Country Status (8)
Country | Link |
---|---|
US (1) | US4311553A (pt) |
JP (1) | JPS5598992A (pt) |
BR (1) | BR8000205A (pt) |
CA (1) | CA1143913A (pt) |
DE (1) | DE3001105C2 (pt) |
FI (1) | FI69324C (pt) |
NO (1) | NO155403C (pt) |
SE (1) | SE436368B (pt) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4469746A (en) * | 1982-06-01 | 1984-09-04 | The Procter & Gamble Company | Silica coated absorbent fibers |
US4849053A (en) * | 1985-09-20 | 1989-07-18 | Scott Paper Company | Method for producing pulp using pre-treatment with stabilizers and defibration |
BR8606875A (pt) * | 1985-09-20 | 1987-11-03 | Scott Paper Co | Processo de polpacao de alto rendimento para material lignocelulosico em forma de cavacos;polpa nao sulfonada;polpa de pinho nao sulfonada;polpa de faia preta nao sulfonada;polpa de eucalipto nao sulfonada;e polpa de gmelinia nao sulfonada |
US5002635A (en) * | 1985-09-20 | 1991-03-26 | Scott Paper Company | Method for producing pulp using pre-treatment with stabilizers and refining |
US4842877A (en) * | 1988-04-05 | 1989-06-27 | Xylan, Inc. | Delignification of non-woody biomass |
US5023097A (en) * | 1988-04-05 | 1991-06-11 | Xylan, Inc. | Delignification of non-woody biomass |
FR2672315B1 (fr) * | 1991-01-31 | 1996-06-07 | Hoechst France | Nouveau procede de raffinage de la pate a papier. |
CA2063351C (en) * | 1992-03-18 | 1996-08-13 | Stanley Alan Heimburger | Process for bleaching hardwood pulp |
DE4327774A1 (de) * | 1993-08-18 | 1995-02-23 | Fraunhofer Ges Forschung | Verfahren zur Herstellung von mitteldichten Holzfaserplatten (MDF) |
US5705216A (en) * | 1995-08-11 | 1998-01-06 | Tyson; George J. | Production of hydrophobic fibers |
WO1997032077A1 (en) * | 1996-02-27 | 1997-09-04 | Tetra Laval Holding & Finance S.A. | Process for sanitizing post-consumer paper fibers and product formed therefrom |
US7001484B2 (en) * | 2000-05-04 | 2006-02-21 | University Of New Brunswick | Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent |
US6881299B2 (en) * | 2001-05-16 | 2005-04-19 | North American Paper Corporation | Refiner bleaching with magnesium oxide and hydrogen peroxide |
US6743332B2 (en) * | 2001-05-16 | 2004-06-01 | Weyerhaeuser Company | High temperature peroxide bleaching of mechanical pulps |
CA2451444C (en) * | 2001-07-17 | 2010-06-15 | Zhi-Wei Liang | Oxidative thermochemical drying process for changing hydrophilic/hydrophobic characteristics of natural organic substances |
US20040200586A1 (en) * | 2002-07-19 | 2004-10-14 | Martin Herkel | Four stage alkaline peroxide mechanical pulping |
WO2003008703A1 (en) * | 2001-07-19 | 2003-01-30 | Andritz Inc. | Four stage alkaline peroxide mechanical pulping |
CN2552996Y (zh) * | 2002-05-09 | 2003-05-28 | 朱杰 | 干煸分离草浆机 |
JP4580343B2 (ja) * | 2003-10-02 | 2010-11-10 | アンドリッツ インコーポレーテッド | リファイナーブローライン処理を伴うアルカリ過酸化物を用いた多段階メカニカルパルプ化方法 |
US7297225B2 (en) * | 2004-06-22 | 2007-11-20 | Georgia-Pacific Consumer Products Lp | Process for high temperature peroxide bleaching of pulp with cool discharge |
FI126694B (fi) * | 2005-12-02 | 2017-04-13 | Metsä Board Oyj | Kemimekaaninen massa ja menetelmä sen valmistamiseksi |
US8262851B2 (en) * | 2006-08-10 | 2012-09-11 | Andritz Inc. | Processes and systems for the pulping of lignocellulosic materials |
JP5301237B2 (ja) * | 2007-10-17 | 2013-09-25 | 新日鉄住金化学株式会社 | 可溶化リグニン、糖類原料および単糖類原料の製造方法 |
CN103118804B (zh) * | 2010-09-17 | 2016-04-06 | 泰坦木业有限公司 | 木材碎块的处理 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1590704A (en) * | 1976-11-23 | 1981-06-10 | Defibrator Ab | Method end device for the continuous production of pulp from fibrous lignocellulosic materials |
SE416481B (sv) * | 1977-05-02 | 1981-01-05 | Mo Och Domsjoe Ab | Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts |
-
1979
- 1979-01-12 SE SE7900302A patent/SE436368B/sv not_active IP Right Cessation
-
1980
- 1980-01-11 NO NO800068A patent/NO155403C/no unknown
- 1980-01-11 FI FI800091A patent/FI69324C/fi not_active IP Right Cessation
- 1980-01-11 JP JP142780A patent/JPS5598992A/ja active Pending
- 1980-01-14 US US06/111,624 patent/US4311553A/en not_active Expired - Lifetime
- 1980-01-14 DE DE3001105A patent/DE3001105C2/de not_active Expired
- 1980-01-14 CA CA000343599A patent/CA1143913A/en not_active Expired
- 1980-01-14 BR BR8000205A patent/BR8000205A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO155403C (no) | 1987-03-25 |
CA1143913A (en) | 1983-04-05 |
NO800068L (no) | 1980-07-14 |
FI69324C (fi) | 1986-01-10 |
JPS5598992A (en) | 1980-07-28 |
SE7900302L (sv) | 1980-07-13 |
FI69324B (fi) | 1985-09-30 |
SE436368B (sv) | 1984-12-03 |
US4311553A (en) | 1982-01-19 |
FI800091A (fi) | 1980-07-13 |
NO155403B (no) | 1986-12-15 |
DE3001105C2 (de) | 1982-09-23 |
DE3001105A1 (de) | 1980-07-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK | Patent expired |
Effective date: 19950114 |