ZA959569B - Process for gas phase delignifying cellulosic material using chloride dioxide - Google Patents
Process for gas phase delignifying cellulosic material using chloride dioxideInfo
- Publication number
- ZA959569B ZA959569B ZA959569A ZA959569A ZA959569B ZA 959569 B ZA959569 B ZA 959569B ZA 959569 A ZA959569 A ZA 959569A ZA 959569 A ZA959569 A ZA 959569A ZA 959569 B ZA959569 B ZA 959569B
- Authority
- ZA
- South Africa
- Prior art keywords
- gas phase
- cellulosic material
- chloride dioxide
- delignifying
- delignifying cellulosic
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
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 |
---|---|---|---|
US33689494A | 1994-11-10 | 1994-11-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA959569B true ZA959569B (en) | 1996-05-28 |
Family
ID=23318149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA959569A ZA959569B (en) | 1994-11-10 | 1995-11-10 | Process for gas phase delignifying cellulosic material using chloride dioxide |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU4006795A (en) |
WO (1) | WO1996015317A1 (en) |
ZA (1) | ZA959569B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2769327B1 (en) * | 1997-10-03 | 1999-11-05 | Atochem Elf Sa | PROCESS FOR BLEACHING CHEMICAL PAPER PULP |
JP2005507892A (en) | 2001-09-19 | 2005-03-24 | ファルマシア・コーポレーション | Substituted pyrazolylbenzenesulfamide compounds for the treatment of inflammation |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3630828A (en) * | 1968-05-13 | 1971-12-28 | Pulp Paper Res Inst | Bleaching of a low-density, substantially uncompacted, porous fluffed cellulosic pulp |
US4128454A (en) * | 1977-12-07 | 1978-12-05 | Ingersoll-Rand Co. | System and method for gas phase pulp bleaching |
-
1995
- 1995-10-23 AU AU40067/95A patent/AU4006795A/en not_active Abandoned
- 1995-10-23 WO PCT/US1995/013582 patent/WO1996015317A1/en active Application Filing
- 1995-11-10 ZA ZA959569A patent/ZA959569B/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO1996015317A1 (en) | 1996-05-23 |
AU4006795A (en) | 1996-06-06 |
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