PT81909B - PROCESS FOR IMPROVING THE MECHANICAL PROPERTIES OF A BAGASSE CHEMICAL OR SEMI-CHEMICAL PAPER PULP - Google Patents
PROCESS FOR IMPROVING THE MECHANICAL PROPERTIES OF A BAGASSE CHEMICAL OR SEMI-CHEMICAL PAPER PULPInfo
- Publication number
- PT81909B PT81909B PT81909A PT8190986A PT81909B PT 81909 B PT81909 B PT 81909B PT 81909 A PT81909 A PT 81909A PT 8190986 A PT8190986 A PT 8190986A PT 81909 B PT81909 B PT 81909B
- Authority
- PT
- Portugal
- Prior art keywords
- chemical
- semi
- improving
- mechanical properties
- paper pulp
- 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
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
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 |
---|---|---|---|
FR8501608A FR2576930B1 (en) | 1985-02-04 | 1985-02-04 | PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF CHEMICAL OR SEMI-CHEMICAL PAPER PULP |
Publications (2)
Publication Number | Publication Date |
---|---|
PT81909A PT81909A (en) | 1986-02-01 |
PT81909B true PT81909B (en) | 1987-05-13 |
Family
ID=9315961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT81909A PT81909B (en) | 1985-02-04 | 1986-01-27 | PROCESS FOR IMPROVING THE MECHANICAL PROPERTIES OF A BAGASSE CHEMICAL OR SEMI-CHEMICAL PAPER PULP |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP0190723A1 (en) |
JP (1) | JPS61179390A (en) |
CN (1) | CN86101158A (en) |
AU (1) | AU5293886A (en) |
BR (1) | BR8600421A (en) |
EG (1) | EG17850A (en) |
ES (1) | ES8802335A1 (en) |
FR (1) | FR2576930B1 (en) |
IN (1) | IN164977B (en) |
PH (1) | PH21180A (en) |
PT (1) | PT81909B (en) |
TN (1) | TNSN86016A1 (en) |
ZA (1) | ZA86598B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5091054A (en) * | 1989-08-18 | 1992-02-25 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic |
US5246543A (en) * | 1989-08-18 | 1993-09-21 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic materials |
BE1004674A3 (en) * | 1991-03-11 | 1993-01-12 | Interox Internat Sa | Method of laundering of chemical pulp and application of the method of laundering pulp kraft. |
DE69312127T2 (en) * | 1992-03-09 | 1998-02-12 | Solvay Interox Sa | Process for decolorizing and bleaching waste paper |
WO2009015555A1 (en) * | 2007-07-27 | 2009-02-05 | Shandong Tralin Paper Co., Ltd | Grass paper pulp used by papermaking and preparation method thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4404061A (en) * | 1981-08-17 | 1983-09-13 | International Paper Company | Bleaching of lignocellulosic materials with monopersulfuric acid or its salts |
-
1985
- 1985-02-04 FR FR8501608A patent/FR2576930B1/en not_active Expired
-
1986
- 1986-01-27 ZA ZA86598A patent/ZA86598B/en unknown
- 1986-01-27 PT PT81909A patent/PT81909B/en unknown
- 1986-01-28 IN IN78/DEL/86A patent/IN164977B/en unknown
- 1986-01-30 PH PH33252A patent/PH21180A/en unknown
- 1986-02-03 AU AU52938/86A patent/AU5293886A/en not_active Abandoned
- 1986-02-03 ES ES551586A patent/ES8802335A1/en not_active Expired
- 1986-02-03 BR BR8600421A patent/BR8600421A/en not_active IP Right Cessation
- 1986-02-03 TN TNTNSN86016A patent/TNSN86016A1/en unknown
- 1986-02-04 EP EP86101427A patent/EP0190723A1/en not_active Withdrawn
- 1986-02-04 CN CN198686101158A patent/CN86101158A/en active Pending
- 1986-02-04 EG EG58/86A patent/EG17850A/en active
- 1986-02-04 JP JP61022799A patent/JPS61179390A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EG17850A (en) | 1991-11-30 |
FR2576930A1 (en) | 1986-08-08 |
ZA86598B (en) | 1987-01-28 |
PT81909A (en) | 1986-02-01 |
ES8802335A1 (en) | 1987-04-16 |
EP0190723A1 (en) | 1986-08-13 |
TNSN86016A1 (en) | 1990-01-01 |
PH21180A (en) | 1987-08-07 |
FR2576930B1 (en) | 1988-08-12 |
JPS61179390A (en) | 1986-08-12 |
IN164977B (en) | 1989-07-15 |
AU5293886A (en) | 1986-08-07 |
CN86101158A (en) | 1986-07-30 |
ES551586A0 (en) | 1987-04-16 |
BR8600421A (en) | 1986-10-14 |
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