JPS5411402B1 - - Google Patents
Info
- Publication number
- JPS5411402B1 JPS5411402B1 JP3036971A JP3036971A JPS5411402B1 JP S5411402 B1 JPS5411402 B1 JP S5411402B1 JP 3036971 A JP3036971 A JP 3036971A JP 3036971 A JP3036971 A JP 3036971A JP S5411402 B1 JPS5411402 B1 JP S5411402B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4040370A | 1970-05-25 | 1970-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5411402B1 true JPS5411402B1 (de) | 1979-05-15 |
Family
ID=21910795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3036971A Pending JPS5411402B1 (de) | 1970-05-25 | 1971-05-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3720577A (de) |
| JP (1) | JPS5411402B1 (de) |
| CA (1) | CA939854A (de) |
| DE (1) | DE2124324C3 (de) |
| FI (1) | FI54620C (de) |
| FR (1) | FR2093715A5 (de) |
| SE (1) | SE375564B (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2219505C3 (de) * | 1972-04-21 | 1974-10-17 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Chlorfreie Mehrstufenbleiche von Zellstoff |
| CA989112A (en) * | 1972-05-30 | 1976-05-18 | Pulp And Paper Research Institute Of Canada | Bleaching of textiles with chlorine monoxide |
| DE3923728A1 (de) * | 1989-07-18 | 1991-01-24 | Degussa | Verfahren zur stabilisierung der viskositaet von zellstoffen |
| SE9000340L (sv) * | 1990-01-31 | 1991-08-01 | Eka Nobel Ab | Foerfarande vid blekning av lignocellulosahaltigt material |
| BR9901291B1 (pt) * | 1999-04-27 | 2011-11-01 | processo para branqueamento de polpas quìmicas de baixa consistência. | |
| US20080087390A1 (en) * | 2006-10-11 | 2008-04-17 | Fort James Corporation | Multi-step pulp bleaching |
| US8845860B2 (en) | 2010-09-16 | 2014-09-30 | Georgia-Pacific Consumer Products Lp | High brightness pulps from lignin rich waste papers |
-
1970
- 1970-05-25 US US00040403A patent/US3720577A/en not_active Expired - Lifetime
- 1970-12-11 CA CA100,405A patent/CA939854A/en not_active Expired
-
1971
- 1971-05-07 JP JP3036971A patent/JPS5411402B1/ja active Pending
- 1971-05-17 DE DE2124324A patent/DE2124324C3/de not_active Expired
- 1971-05-21 FI FI1408/71A patent/FI54620C/fi active
- 1971-05-24 SE SE7106635A patent/SE375564B/xx unknown
- 1971-05-25 FR FR7118898A patent/FR2093715A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3720577A (en) | 1973-03-13 |
| FI54620C (fi) | 1979-01-10 |
| DE2124324B2 (de) | 1979-08-30 |
| FR2093715A5 (de) | 1972-01-28 |
| CA939854A (en) | 1974-01-15 |
| FI54620B (fi) | 1978-09-29 |
| DE2124324C3 (de) | 1980-05-08 |
| SE375564B (de) | 1975-04-21 |
| DE2124324A1 (de) | 1971-12-09 |