FI76135C - Foerfarande foer blekning av pappersmassor med vaeteperoxid. - Google Patents
Foerfarande foer blekning av pappersmassor med vaeteperoxid. Download PDFInfo
- Publication number
- FI76135C FI76135C FI845121A FI845121A FI76135C FI 76135 C FI76135 C FI 76135C FI 845121 A FI845121 A FI 845121A FI 845121 A FI845121 A FI 845121A FI 76135 C FI76135 C FI 76135C
- Authority
- FI
- Finland
- Prior art keywords
- hydrogen peroxide
- weight
- concentration
- process according
- alkaline
- 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
- D21C9/16—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)
- Detergent Compositions (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Load-Bearing And Curtain Walls (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8320990A FR2557605B1 (fr) | 1983-12-29 | 1983-12-29 | Procede de blanchiment de pates papetieres par le peroxyde d'hydrogene |
FR8320990 | 1983-12-29 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI845121A0 FI845121A0 (fi) | 1984-12-27 |
FI845121L FI845121L (fi) | 1985-06-30 |
FI76135B FI76135B (fi) | 1988-05-31 |
FI76135C true FI76135C (fi) | 1992-04-15 |
Family
ID=9295687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI845121A FI76135C (fi) | 1983-12-29 | 1984-12-27 | Foerfarande foer blekning av pappersmassor med vaeteperoxid. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0148712B1 (de) |
JP (1) | JPS60181391A (de) |
AT (1) | ATE29537T1 (de) |
AU (1) | AU567787B2 (de) |
CA (1) | CA1262805A (de) |
DE (2) | DE3466024D1 (de) |
ES (1) | ES8602173A1 (de) |
FI (1) | FI76135C (de) |
FR (1) | FR2557605B1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3544398A1 (de) * | 1985-12-16 | 1987-06-19 | Sueddeutsche Kalkstickstoff | Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten |
JPH0642046B2 (ja) * | 1987-01-29 | 1994-06-01 | 新王子製紙株式会社 | 写真印画紙用支持体 |
SE470065C (sv) * | 1991-04-30 | 1996-01-15 | Eka Nobel Ab | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
EP0622491B2 (de) * | 1993-04-20 | 2002-07-17 | Eka Chemicals AB | Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff |
IT1290070B1 (it) * | 1997-03-13 | 1998-10-19 | 3V Sigma Spa | Composizioni per la sbianca della carta |
GB2327894A (en) * | 1997-08-01 | 1999-02-10 | Nippon Paint Co Ltd | Method of multi-layer coating formation |
CA2332304C (en) * | 1998-05-15 | 2005-01-11 | National Silicates Partnership | Peroxide, oxygen, and peroxide/oxygen brightening of chemical and mixed waste pulps |
US6699358B1 (en) | 1998-05-15 | 2004-03-02 | National Silicates Partnership | Method for brightening chemical pulp with hydrogen peroxide using a magnesium compound in silicate solution |
US7001484B2 (en) | 2000-05-04 | 2006-02-21 | University Of New Brunswick | Peroxide bleaching of wood pulp using stabilizers and sodium hydrosulfide reducing agent |
US8845860B2 (en) | 2010-09-16 | 2014-09-30 | Georgia-Pacific Consumer Products Lp | High brightness pulps from lignin rich waste papers |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US437813A (en) * | 1890-10-07 | Envelope-machine | ||
NL97796C (de) * | 1958-05-29 | |||
US3472813A (en) * | 1967-01-18 | 1969-10-14 | Argus Chem | Resistance of acrylonitrile butadiene styrene polymers to discoloration |
FR2038056A1 (en) * | 1969-03-07 | 1971-01-08 | Air Liquide | Stable, clear bleaching bath for paper - pulp |
SE7510015L (sv) * | 1975-09-09 | 1977-03-10 | Dev Ab Sca | Sett att behandla lignocellulosahaltigt material |
JPS583074B2 (ja) * | 1975-11-17 | 1983-01-19 | 三菱瓦斯化学株式会社 | パルプノ カサンカブツヒヨウハクホウ |
JPS5927436B2 (ja) * | 1979-05-29 | 1984-07-05 | 王子製紙株式会社 | 木材パルプの過酸化物漂白方法 |
FR2476684A1 (fr) * | 1980-02-21 | 1981-08-28 | Interox | Procede pour inhiber la corrosion d'appareils en titane |
-
1983
- 1983-12-29 FR FR8320990A patent/FR2557605B1/fr not_active Expired
-
1984
- 1984-12-21 AT AT84420215T patent/ATE29537T1/de not_active IP Right Cessation
- 1984-12-21 DE DE8484420215T patent/DE3466024D1/de not_active Expired
- 1984-12-21 DE DE198484420215T patent/DE148712T1/de active Pending
- 1984-12-21 EP EP84420215A patent/EP0148712B1/de not_active Expired
- 1984-12-27 FI FI845121A patent/FI76135C/fi not_active IP Right Cessation
- 1984-12-27 JP JP59274194A patent/JPS60181391A/ja active Granted
- 1984-12-28 CA CA000471164A patent/CA1262805A/fr not_active Expired
- 1984-12-28 ES ES539151A patent/ES8602173A1/es not_active Expired
- 1984-12-28 AU AU37243/84A patent/AU567787B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
ATE29537T1 (de) | 1987-09-15 |
DE3466024D1 (en) | 1987-10-15 |
JPS6261716B2 (de) | 1987-12-23 |
AU567787B2 (en) | 1987-12-03 |
ES539151A0 (es) | 1985-11-16 |
FR2557605A1 (fr) | 1985-07-05 |
DE148712T1 (de) | 1986-01-02 |
ES8602173A1 (es) | 1985-11-16 |
FI76135B (fi) | 1988-05-31 |
EP0148712B1 (de) | 1987-09-09 |
AU3724384A (en) | 1985-07-04 |
FR2557605B1 (fr) | 1987-12-11 |
EP0148712A1 (de) | 1985-07-17 |
FI845121A0 (fi) | 1984-12-27 |
CA1262805A (fr) | 1989-11-14 |
JPS60181391A (ja) | 1985-09-17 |
FI845121L (fi) | 1985-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: ATOCHEM |