BR8501918A - Processo e sistema de extracao continua por alcali e oxigenio para alvejamento e deslenhificacao de polpa de madeira - Google Patents
Processo e sistema de extracao continua por alcali e oxigenio para alvejamento e deslenhificacao de polpa de madeiraInfo
- Publication number
- BR8501918A BR8501918A BR8501918A BR8501918A BR8501918A BR 8501918 A BR8501918 A BR 8501918A BR 8501918 A BR8501918 A BR 8501918A BR 8501918 A BR8501918 A BR 8501918A BR 8501918 A BR8501918 A BR 8501918A
- Authority
- BR
- Brazil
- Prior art keywords
- delenification
- targeting
- alkali
- oxygen
- wood pulp
- Prior art date
Links
- 229920001131 Pulp (paper) Polymers 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 238000000605 extraction Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- 230000008685 targeting Effects 0.000 title 1
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63513584A | 1984-07-27 | 1984-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8501918A true BR8501918A (pt) | 1986-05-06 |
Family
ID=24546587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8501918A BR8501918A (pt) | 1984-07-27 | 1985-04-23 | Processo e sistema de extracao continua por alcali e oxigenio para alvejamento e deslenhificacao de polpa de madeira |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS6141385A (pt) |
BR (1) | BR8501918A (pt) |
CA (1) | CA1249904A (pt) |
FI (1) | FI852910L (pt) |
NO (1) | NO851038L (pt) |
SE (1) | SE8501032L (pt) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0300276L (sv) * | 2003-01-31 | 2003-12-09 | Kvaerner Pulping Tech | Förfarande för blekning av cellulosamassa samt bleklinje härför |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI48486C (fi) * | 1973-01-24 | 1977-07-29 | Ahlstroem Oy | Menetelmä kuitumassan valkaisemiseksi. |
JPS5126302A (en) * | 1974-08-22 | 1976-03-04 | Hitachi Shipbuilding Eng Co | Sansoganjugasunyoru seruroosubutsushitsuno shorihoho |
JPS5789690A (en) * | 1980-11-21 | 1982-06-04 | Toyo Pulp Co Ltd | Alkali oxygen delignification of fiber substance |
JPS5940398A (ja) * | 1982-08-30 | 1984-03-06 | Toshiba Corp | メモリ制御方式 |
-
1985
- 1985-02-22 CA CA000474986A patent/CA1249904A/en not_active Expired
- 1985-03-04 SE SE8501032A patent/SE8501032L/xx not_active Application Discontinuation
- 1985-03-15 NO NO851038A patent/NO851038L/no unknown
- 1985-04-23 BR BR8501918A patent/BR8501918A/pt unknown
- 1985-04-26 JP JP60089090A patent/JPS6141385A/ja active Pending
- 1985-07-26 FI FI852910A patent/FI852910L/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI852910A0 (fi) | 1985-07-26 |
SE8501032L (sv) | 1986-01-28 |
CA1249904A (en) | 1989-02-14 |
JPS6141385A (ja) | 1986-02-27 |
SE8501032D0 (sv) | 1985-03-04 |
NO851038L (no) | 1986-01-28 |
FI852910L (fi) | 1986-01-28 |
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