ZA937908B - Process for bleaching of lignocellulose-containingpulp - Google Patents
Process for bleaching of lignocellulose-containingpulpInfo
- Publication number
- ZA937908B ZA937908B ZA937908A ZA937908A ZA937908B ZA 937908 B ZA937908 B ZA 937908B ZA 937908 A ZA937908 A ZA 937908A ZA 937908 A ZA937908 A ZA 937908A ZA 937908 B ZA937908 B ZA 937908B
- Authority
- ZA
- South Africa
- Prior art keywords
- pulp
- bleaching
- lignocellulose
- peroxide
- initial treatment
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Stringed Musical Instruments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203200A SE512137C2 (sv) | 1992-10-29 | 1992-10-29 | Förfarande för blekning av lignocellulosahaltig massa |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA937908B true ZA937908B (en) | 1994-05-24 |
Family
ID=20387625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA937908A ZA937908B (en) | 1992-10-29 | 1993-10-25 | Process for bleaching of lignocellulose-containingpulp |
Country Status (16)
Country | Link |
---|---|
EP (1) | EP0595386B2 (sv) |
JP (1) | JPH06207392A (sv) |
AT (1) | ATE180523T1 (sv) |
AU (1) | AU659039B2 (sv) |
BR (1) | BR9304438A (sv) |
CA (1) | CA2109179A1 (sv) |
CZ (1) | CZ284366B6 (sv) |
DE (1) | DE69325070D1 (sv) |
FI (1) | FI934705A (sv) |
MX (1) | MX9306618A (sv) |
NO (1) | NO302766B1 (sv) |
NZ (1) | NZ250050A (sv) |
RU (1) | RU2072014C1 (sv) |
SE (1) | SE512137C2 (sv) |
SK (1) | SK117593A3 (sv) |
ZA (1) | ZA937908B (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3724033B2 (ja) * | 1996-01-30 | 2005-12-07 | 住友電気工業株式会社 | 高強度・高耐熱アルミニウム合金およびその製造方法、導電線ならびに架空用電線 |
AUPP476398A0 (en) * | 1998-07-21 | 1998-08-13 | Orica Australia Pty Ltd | Bleaching process |
DE102009050570B4 (de) | 2008-10-23 | 2017-07-06 | Bene_Fit Systems Gmbh & Co. Kg | Herstellungsverfahren für gebleichte organische Fasermaterialien und Verwendung eines Bleichmittels |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US422819A (en) * | 1890-03-04 | Frederick j | ||
US2687943A (en) * | 1951-06-26 | 1954-08-31 | Du Pont | Bleaching of mechanical wood pulp |
US3507744A (en) * | 1966-04-01 | 1970-04-21 | Kimberly Clark Co | Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions |
JPS51102103A (en) * | 1975-03-05 | 1976-09-09 | Nippon Parupu Kogyo Kk | Ryusanenhoparupuno hyohakuhoho |
JPS583074B2 (ja) * | 1975-11-17 | 1983-01-19 | 三菱瓦斯化学株式会社 | パルプノ カサンカブツヒヨウハクホウ |
SE420430B (sv) † | 1978-02-17 | 1981-10-05 | Mo Och Domsjoe Ab | Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel |
JPS5927436B2 (ja) * | 1979-05-29 | 1984-07-05 | 王子製紙株式会社 | 木材パルプの過酸化物漂白方法 |
JPS5721590A (en) * | 1980-07-11 | 1982-02-04 | Mitsubishi Gas Chemical Co | Peroxide bleaching of wood pulp |
FR2520397A1 (fr) * | 1982-01-28 | 1983-07-29 | Centre Tech Ind Papier | Procede pour le traitement de pates papetieres chimiques |
AT380496B (de) * | 1984-06-27 | 1986-05-26 | Steyrermuehl Papier | Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff |
JP2827235B2 (ja) * | 1988-11-22 | 1998-11-25 | 三菱瓦斯化学株式会社 | 高収率パルプの漂白法 |
JPH0364589A (ja) * | 1989-07-28 | 1991-03-19 | Mitsubishi Gas Chem Co Inc | 化学パルプの漂白方法 |
US5091054A (en) † | 1989-08-18 | 1992-02-25 | Degussa Corporation | Process for bleaching and delignification of lignocellulosic |
CA2053035C (en) † | 1990-10-12 | 1997-09-30 | Repap Enterprises Inc. | Chlorine-free wood pulps and process of making |
SE470065C (sv) * | 1991-04-30 | 1996-01-15 | Eka Nobel Ab | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
-
1992
- 1992-10-29 SE SE9203200A patent/SE512137C2/sv not_active IP Right Cessation
-
1993
- 1993-10-04 DE DE69325070T patent/DE69325070D1/de not_active Expired - Lifetime
- 1993-10-04 AT AT93202821T patent/ATE180523T1/de not_active IP Right Cessation
- 1993-10-04 EP EP93202821A patent/EP0595386B2/en not_active Expired - Lifetime
- 1993-10-22 CZ CZ932241A patent/CZ284366B6/cs not_active IP Right Cessation
- 1993-10-25 CA CA002109179A patent/CA2109179A1/en not_active Abandoned
- 1993-10-25 ZA ZA937908A patent/ZA937908B/xx unknown
- 1993-10-25 FI FI934705A patent/FI934705A/fi unknown
- 1993-10-25 AU AU49199/93A patent/AU659039B2/en not_active Ceased
- 1993-10-25 MX MX9306618A patent/MX9306618A/es unknown
- 1993-10-25 SK SK1175-93A patent/SK117593A3/sk unknown
- 1993-10-26 NZ NZ250050A patent/NZ250050A/en unknown
- 1993-10-27 NO NO933873A patent/NO302766B1/no unknown
- 1993-10-28 JP JP5291459A patent/JPH06207392A/ja active Pending
- 1993-10-29 RU RU9393049739A patent/RU2072014C1/ru active
- 1993-10-29 BR BR9304438A patent/BR9304438A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2109179A1 (en) | 1994-04-30 |
SE512137C2 (sv) | 2000-01-31 |
MX9306618A (es) | 1994-04-29 |
CZ224193A3 (en) | 1994-05-18 |
JPH06207392A (ja) | 1994-07-26 |
FI934705A (fi) | 1994-04-30 |
ATE180523T1 (de) | 1999-06-15 |
SE9203200D0 (sv) | 1992-10-29 |
NO933873D0 (no) | 1993-10-27 |
NZ250050A (en) | 1994-12-22 |
CZ284366B6 (cs) | 1998-11-11 |
NO933873L (no) | 1994-05-02 |
EP0595386B2 (en) | 2002-07-17 |
EP0595386A1 (en) | 1994-05-04 |
DE69325070D1 (de) | 1999-07-01 |
NO302766B1 (no) | 1998-04-20 |
EP0595386B1 (en) | 1999-05-26 |
SE9203200L (sv) | 1994-04-30 |
AU4919993A (en) | 1994-05-12 |
SK117593A3 (en) | 1994-05-11 |
RU2072014C1 (ru) | 1997-01-20 |
AU659039B2 (en) | 1995-05-04 |
BR9304438A (pt) | 1994-05-03 |
FI934705A0 (fi) | 1993-10-25 |
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