AU2679888A - Process for producing semibleached kraft pulp - Google Patents
Process for producing semibleached kraft pulpInfo
- Publication number
- AU2679888A AU2679888A AU26798/88A AU2679888A AU2679888A AU 2679888 A AU2679888 A AU 2679888A AU 26798/88 A AU26798/88 A AU 26798/88A AU 2679888 A AU2679888 A AU 2679888A AU 2679888 A AU2679888 A AU 2679888A
- Authority
- AU
- Australia
- Prior art keywords
- producing
- kraft pulp
- semibleached kraft
- semibleached
- pulp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3802401 | 1988-01-28 | ||
DE3802401A DE3802401A1 (en) | 1988-01-28 | 1988-01-28 | METHOD FOR PRODUCING SEMI-BLEACHED FUEL |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2679888A true AU2679888A (en) | 1989-08-03 |
AU607026B2 AU607026B2 (en) | 1991-02-21 |
Family
ID=6346109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU26798/88A Ceased AU607026B2 (en) | 1988-01-28 | 1988-12-12 | Process for producing semibleached kraft pulp |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0325731A1 (en) |
AU (1) | AU607026B2 (en) |
BR (1) | BR8900259A (en) |
DE (1) | DE3802401A1 (en) |
FI (1) | FI890100A (en) |
NO (1) | NO885525L (en) |
NZ (1) | NZ227748A (en) |
PT (1) | PT89533A (en) |
ZA (1) | ZA889289B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991012366A1 (en) * | 1990-02-19 | 1991-08-22 | Amcor Limited | Bleaching of paper pulp |
US5607546A (en) * | 1990-02-13 | 1997-03-04 | Molnlycke Ab | CTMP-process |
US6398908B1 (en) | 1991-04-30 | 2002-06-04 | Eka Nobel Ab | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound |
US6458245B1 (en) | 1990-02-13 | 2002-10-01 | Sca Research Ab | CTMP-process |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE460124B (en) * | 1988-09-14 | 1989-09-11 | Sunds Defibrator | SET FOR PREPARATION OF CHEMICAL MECHANICAL MASS OF LEAVES |
DE4004364A1 (en) * | 1990-02-13 | 1991-08-14 | Sueddeutsche Kalkstickstoff | Bleaching and delignifying pre-balanced cellulose - in two stages with peroxide activated with cyanamide or cyanamide salt, avoiding agents contg. chlorine |
BE1005800A3 (en) * | 1992-05-22 | 1994-02-01 | Solvay Interox | Method for the delignification and bleaching of a chemical paper pulp |
WO1995008021A1 (en) * | 1993-09-15 | 1995-03-23 | Kamyr, Inc. | Eop stage for chlorine free bleaching |
DE29911772U1 (en) | 1999-07-06 | 1999-09-02 | Tien Dieter | Cleaning device for smooth surfaces, especially for cleaning windows |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1601408A (en) * | 1967-06-20 | 1970-08-24 | ||
FI45574C (en) * | 1970-05-11 | 1972-07-10 | Kymin Oy Kymmene Ab | Process for bleaching cellulosic materials. |
FR2457339A1 (en) * | 1979-05-25 | 1980-12-19 | Interox | PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF CHEMICAL AND SEMI-CHEMICAL CELLULOSIC PASTA |
-
1988
- 1988-01-28 DE DE3802401A patent/DE3802401A1/en not_active Withdrawn
- 1988-11-30 EP EP88119939A patent/EP0325731A1/en not_active Ceased
- 1988-12-12 ZA ZA889289A patent/ZA889289B/en unknown
- 1988-12-12 AU AU26798/88A patent/AU607026B2/en not_active Ceased
- 1988-12-13 NO NO88885525A patent/NO885525L/en unknown
-
1989
- 1989-01-09 FI FI890100A patent/FI890100A/en not_active IP Right Cessation
- 1989-01-23 BR BR898900259A patent/BR8900259A/en unknown
- 1989-01-26 PT PT89533A patent/PT89533A/en not_active Application Discontinuation
- 1989-01-26 NZ NZ227748A patent/NZ227748A/en unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5607546A (en) * | 1990-02-13 | 1997-03-04 | Molnlycke Ab | CTMP-process |
US6458245B1 (en) | 1990-02-13 | 2002-10-01 | Sca Research Ab | CTMP-process |
WO1991012366A1 (en) * | 1990-02-19 | 1991-08-22 | Amcor Limited | Bleaching of paper pulp |
US6398908B1 (en) | 1991-04-30 | 2002-06-04 | Eka Nobel Ab | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound |
Also Published As
Publication number | Publication date |
---|---|
BR8900259A (en) | 1989-09-19 |
ZA889289B (en) | 1989-09-27 |
FI890100A0 (en) | 1989-01-09 |
NO885525L (en) | 1989-07-31 |
NZ227748A (en) | 1990-04-26 |
DE3802401A1 (en) | 1989-08-03 |
NO885525D0 (en) | 1988-12-13 |
FI890100A (en) | 1989-07-29 |
AU607026B2 (en) | 1991-02-21 |
PT89533A (en) | 1989-10-04 |
EP0325731A1 (en) | 1989-08-02 |
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