FI952552A - Menetelmä lignoselluloosaa sisältävän massan delignifioimiseksi - Google Patents
Menetelmä lignoselluloosaa sisältävän massan delignifioimiseksi Download PDFInfo
- Publication number
- FI952552A FI952552A FI952552A FI952552A FI952552A FI 952552 A FI952552 A FI 952552A FI 952552 A FI952552 A FI 952552A FI 952552 A FI952552 A FI 952552A FI 952552 A FI952552 A FI 952552A
- Authority
- FI
- Finland
- Prior art keywords
- peracid
- complexant
- pulp
- delignification
- peroxide
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
-
- 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
- D21C9/1042—Use of chelating agents
-
- 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
-
- 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
-
- 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)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9203585 | 1992-11-27 | ||
SE9203585A SE500605C2 (sv) | 1992-11-27 | 1992-11-27 | Delignifiering och blekning av lignocellulosahaltig massa med persyra och klorfritt blekmedel |
SE9300226 | 1993-01-26 | ||
SE9300226A SE9300226D0 (sv) | 1993-01-26 | 1993-01-26 | Foerfarande foer delignifiering av lignocellulosahaltig massa |
PCT/SE1993/001019 WO1994012721A1 (en) | 1992-11-27 | 1993-11-25 | Process for delignification of lignocellulose-containing pulp |
SE9301019 | 1993-11-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI952552A0 FI952552A0 (fi) | 1995-05-24 |
FI952552A true FI952552A (fi) | 1995-05-24 |
FI118571B FI118571B (fi) | 2007-12-31 |
Family
ID=26661600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI952552A FI118571B (fi) | 1992-11-27 | 1995-05-24 | Menetelmä lignoselluloosaa sisältävän massan delignifioimiseksi |
Country Status (16)
Country | Link |
---|---|
US (1) | US5785812A (fi) |
EP (1) | EP0670928B2 (fi) |
JP (1) | JP2864167B2 (fi) |
AT (1) | ATE146833T1 (fi) |
AU (1) | AU670659B2 (fi) |
BR (1) | BR9307521A (fi) |
CA (1) | CA2149648C (fi) |
CZ (1) | CZ282692B6 (fi) |
DE (1) | DE69306974T3 (fi) |
ES (1) | ES2096441T3 (fi) |
FI (1) | FI118571B (fi) |
MX (1) | MX9307415A (fi) |
NO (1) | NO307260B1 (fi) |
NZ (1) | NZ258274A (fi) |
PL (1) | PL309191A1 (fi) |
WO (1) | WO1994012721A1 (fi) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6007678A (en) * | 1992-11-27 | 1999-12-28 | Eka Nobel Ab | Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof |
SE500616C2 (sv) * | 1993-06-08 | 1994-07-25 | Kvaerner Pulping Tech | Blekning av kemisk massa med peroxid vid övertryck |
EP0858526A1 (en) * | 1995-02-17 | 1998-08-19 | Ahlstrom Machinery Oy | Method of pretreating pulp to be bleached with peroxide |
US5656130A (en) * | 1995-04-28 | 1997-08-12 | Union Camp Holding, Inc. | Ambient temperature pulp bleaching with peroxyacid salts |
SE9501623L (sv) * | 1995-05-02 | 1996-11-03 | Sunds Defibrator Ind Ab | Blekning av massa |
USH1690H (en) * | 1995-07-20 | 1997-11-04 | Nye; Jeffrey | Process for bleaching kraft pulp |
FI105701B (fi) * | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Menetelmä ja laitteisto massan käsittelemiseksi |
US5770011A (en) * | 1995-11-17 | 1998-06-23 | International Paper Company | Neutral monoperoxysulfate bleaching process |
FI104572B (fi) * | 1996-05-30 | 2000-02-29 | Kemira Chemicals Oy | Menetelmä kemiallisen massan valkaisemiseksi |
DE19704054C2 (de) * | 1997-02-04 | 2000-08-10 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung von Faserstoffen mit verbesserten Eigenschaften |
CN100430552C (zh) * | 2003-05-29 | 2008-11-05 | 中国科学院成都有机化学研究所 | 一种造纸制浆用蒸煮催化剂 |
US8476052B2 (en) * | 2003-12-03 | 2013-07-02 | Danisco Us Inc. | Enzyme for the production of long chain peracid |
US7754460B2 (en) * | 2003-12-03 | 2010-07-13 | Danisco Us Inc. | Enzyme for the production of long chain peracid |
DK2292743T3 (da) | 2003-12-03 | 2013-11-25 | Danisco Us Inc | Perhydrolase |
PT1607519E (pt) | 2004-06-14 | 2008-04-16 | Warwick Internat Group Ltd | Activador para branqueamento de pasta |
US7297225B2 (en) * | 2004-06-22 | 2007-11-20 | Georgia-Pacific Consumer Products Lp | Process for high temperature peroxide bleaching of pulp with cool discharge |
WO2007067473A2 (en) * | 2005-12-06 | 2007-06-14 | Genencor International, Inc. | Perhydrolase epitopes |
CA2633849A1 (en) * | 2005-12-09 | 2007-11-22 | Genencor International, Inc. | Acyl transferase useful for decontamination |
US20080029130A1 (en) * | 2006-03-02 | 2008-02-07 | Concar Edward M | Surface active bleach and dynamic pH |
US20080087390A1 (en) * | 2006-10-11 | 2008-04-17 | Fort James Corporation | Multi-step pulp bleaching |
US8317955B2 (en) | 2010-05-24 | 2012-11-27 | Marquip, Llc | Method for automatic setting of the rider roll/glue applicator roll gap on a glue machine |
WO2012166997A2 (en) | 2011-05-31 | 2012-12-06 | Clean Chemistry, Llc | Electrochemical reactor and process |
EP2892854A4 (en) | 2012-09-07 | 2016-11-02 | Clean Chemistry Llc | SYSTEMS AND METHODS FOR GENERATING REACTIVE OXYGEN SPECIES AND RELATED APPLICATIONS |
CA2960104C (en) | 2014-09-04 | 2023-05-02 | Clean Chemistry, Inc. | Method of water treatment utilizing a peracetate oxidant solution |
CN104313933A (zh) * | 2014-09-23 | 2015-01-28 | 华南理工大学 | 一种硫酸盐蔗渣浆绿色漂白方法 |
WO2016154531A1 (en) | 2015-03-26 | 2016-09-29 | Clean Chemistry, Inc. | Systems and methods of reducing a bacteria population in high hydrogen sulfide water |
US10883224B2 (en) | 2015-12-07 | 2021-01-05 | Clean Chemistry, Inc. | Methods of pulp fiber treatment |
US10611656B2 (en) | 2015-12-07 | 2020-04-07 | Clean Chemistry, Inc. | Methods of microbial control |
US11136714B2 (en) | 2016-07-25 | 2021-10-05 | Clean Chemistry, Inc. | Methods of optical brightening agent removal |
US11311012B1 (en) | 2017-09-07 | 2022-04-26 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
US11001864B1 (en) | 2017-09-07 | 2021-05-11 | Clean Chemistry, Inc. | Bacterial control in fermentation systems |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5721591A (en) † | 1980-07-11 | 1982-02-04 | Mitsubishi Gas Chemical Co | Peroxide bleaching of wood pulp |
EP0402335B2 (en) * | 1989-06-06 | 2001-03-14 | Eka Chemicals AB | Process for bleaching lignocellulose-containing pulps |
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 |
BE1004674A3 (fr) * | 1991-03-11 | 1993-01-12 | Interox Internat Sa | Procede pour le blanchiment d'une pate a papier chimique et application de ce procede au blanchiment d'une pate kraft. |
ATE168149T1 (de) * | 1991-10-04 | 1998-07-15 | Solvay Interox Inc | Verfahren zur verbesserung der selektivität bei der delignifizierung von chemischem zellstoff |
-
1993
- 1993-11-25 WO PCT/SE1993/001019 patent/WO1994012721A1/en active IP Right Grant
- 1993-11-25 JP JP6513052A patent/JP2864167B2/ja not_active Expired - Fee Related
- 1993-11-25 US US08/436,243 patent/US5785812A/en not_active Expired - Fee Related
- 1993-11-25 CZ CZ951329A patent/CZ282692B6/cs not_active IP Right Cessation
- 1993-11-25 EP EP94901143A patent/EP0670928B2/en not_active Expired - Lifetime
- 1993-11-25 CA CA002149648A patent/CA2149648C/en not_active Expired - Fee Related
- 1993-11-25 NZ NZ258274A patent/NZ258274A/en unknown
- 1993-11-25 BR BR9307521-9A patent/BR9307521A/pt not_active IP Right Cessation
- 1993-11-25 ES ES94901143T patent/ES2096441T3/es not_active Expired - Lifetime
- 1993-11-25 AU AU55832/94A patent/AU670659B2/en not_active Ceased
- 1993-11-25 DE DE69306974T patent/DE69306974T3/de not_active Expired - Fee Related
- 1993-11-25 AT AT94901143T patent/ATE146833T1/de not_active IP Right Cessation
- 1993-11-25 MX MX9307415A patent/MX9307415A/es not_active IP Right Cessation
- 1993-11-25 PL PL93309191A patent/PL309191A1/xx unknown
-
1995
- 1995-05-24 FI FI952552A patent/FI118571B/fi active IP Right Grant
- 1995-05-26 NO NO952076A patent/NO307260B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE146833T1 (de) | 1997-01-15 |
JP2864167B2 (ja) | 1999-03-03 |
FI952552A0 (fi) | 1995-05-24 |
JPH08503750A (ja) | 1996-04-23 |
AU5583294A (en) | 1994-06-22 |
NO952076D0 (no) | 1995-05-26 |
MX9307415A (es) | 1994-07-29 |
DE69306974T2 (de) | 1997-05-22 |
BR9307521A (pt) | 1999-08-31 |
ES2096441T3 (es) | 1997-03-01 |
PL309191A1 (en) | 1995-09-18 |
DE69306974D1 (de) | 1997-02-06 |
US5785812A (en) | 1998-07-28 |
NO952076L (no) | 1995-07-27 |
CZ282692B6 (cs) | 1997-09-17 |
EP0670928B1 (en) | 1996-12-27 |
FI118571B (fi) | 2007-12-31 |
CZ132995A3 (en) | 1996-02-14 |
EP0670928B2 (en) | 2003-04-16 |
AU670659B2 (en) | 1996-07-25 |
EP0670928A1 (en) | 1995-09-13 |
DE69306974T3 (de) | 2004-01-08 |
CA2149648C (en) | 2000-09-19 |
WO1994012721A1 (en) | 1994-06-09 |
NO307260B1 (no) | 2000-03-06 |
NZ258274A (en) | 1996-08-27 |
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FG | Patent granted |
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