ATE167906T1 - Bleichen von zellstoff mittels sauerstoff - Google Patents
Bleichen von zellstoff mittels sauerstoffInfo
- Publication number
- ATE167906T1 ATE167906T1 AT95915080T AT95915080T ATE167906T1 AT E167906 T1 ATE167906 T1 AT E167906T1 AT 95915080 T AT95915080 T AT 95915080T AT 95915080 T AT95915080 T AT 95915080T AT E167906 T1 ATE167906 T1 AT E167906T1
- Authority
- AT
- Austria
- Prior art keywords
- pulp
- oxygen
- bleaching pulp
- bleached
- medium
- 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
-
- 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
- D21C9/101—Bleaching ; Apparatus therefor in solvent medium
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23402894A | 1994-04-28 | 1994-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE167906T1 true ATE167906T1 (de) | 1998-07-15 |
Family
ID=22879575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95915080T ATE167906T1 (de) | 1994-04-28 | 1995-04-11 | Bleichen von zellstoff mittels sauerstoff |
Country Status (9)
Country | Link |
---|---|
US (1) | US5609723A (de) |
EP (1) | EP0757732B1 (de) |
JP (1) | JPH09512312A (de) |
AT (1) | ATE167906T1 (de) |
BR (1) | BR9507520A (de) |
CA (1) | CA2188568A1 (de) |
DE (1) | DE69503238D1 (de) |
FI (1) | FI964306A (de) |
WO (1) | WO1995030047A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6923887B2 (en) * | 2003-02-21 | 2005-08-02 | Alberta Research Council Inc. | Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium |
AP2724A (en) | 2006-07-21 | 2013-08-31 | Xyleco Inc | Conversion systems for biomass |
JPWO2008066193A1 (ja) | 2006-11-27 | 2010-03-11 | チッソ株式会社 | 化粧料組成物 |
AR091998A1 (es) | 2012-05-03 | 2015-03-18 | Annikki Gmbh | Procedimiento de preparacion de celulosa con baja concentracion de lignina |
SE543676C2 (en) * | 2019-07-03 | 2021-05-25 | Stora Enso Oyj | Moldable cellulose fiber based material |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE314581B (de) * | 1968-10-29 | 1969-09-08 | Mo Och Domsjoe Ab | |
US4004967A (en) * | 1972-06-22 | 1977-01-25 | Billeruds Aktiebolag | Bleaching cellulose pulp with oxygen in the presence of formaldehyde |
US4622100A (en) * | 1984-10-01 | 1986-11-11 | International Paper Company | Process for the delignification of lignocellulosic material with oxygen, ferricyanide, and a protector |
FR2594455B1 (fr) * | 1986-02-20 | 1988-06-03 | Atochem | Procede de delignification de pates papetieres chimiques par solvant en vue de leur blanchiment |
BR9102464A (pt) * | 1991-06-14 | 1993-01-12 | White Martins Sa | Aperfeicoamento em processo de deslignificacao com oxigenio de polpa lignocelulosica |
JPH0551889A (ja) * | 1991-08-22 | 1993-03-02 | Mitsubishi Paper Mills Ltd | セルロースパルブの漂白法 |
JPH05186987A (ja) * | 1992-01-07 | 1993-07-27 | Sanyo Chem Ind Ltd | セルロースパルプの漂白方法 |
JPH05279979A (ja) * | 1992-03-26 | 1993-10-26 | Mitsubishi Paper Mills Ltd | セルロースパルプの漂白法 |
-
1995
- 1995-04-11 DE DE69503238T patent/DE69503238D1/de not_active Expired - Lifetime
- 1995-04-11 BR BR9507520A patent/BR9507520A/pt not_active Application Discontinuation
- 1995-04-11 JP JP7527895A patent/JPH09512312A/ja active Pending
- 1995-04-11 WO PCT/CA1995/000194 patent/WO1995030047A1/en active IP Right Grant
- 1995-04-11 AT AT95915080T patent/ATE167906T1/de not_active IP Right Cessation
- 1995-04-11 CA CA002188568A patent/CA2188568A1/en not_active Abandoned
- 1995-04-11 EP EP95915080A patent/EP0757732B1/de not_active Expired - Lifetime
- 1995-06-09 US US08/489,075 patent/US5609723A/en not_active Expired - Fee Related
-
1996
- 1996-10-25 FI FI964306A patent/FI964306A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
JPH09512312A (ja) | 1997-12-09 |
EP0757732B1 (de) | 1998-07-01 |
EP0757732A1 (de) | 1997-02-12 |
DE69503238D1 (de) | 1998-08-06 |
BR9507520A (pt) | 1997-09-16 |
FI964306A0 (fi) | 1996-10-25 |
FI964306A (fi) | 1996-12-18 |
CA2188568A1 (en) | 1995-11-09 |
WO1995030047A1 (en) | 1995-11-09 |
US5609723A (en) | 1997-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI874113A0 (fi) | Foerfarande foer behandling av pappersmassa med entzymloesning. | |
ATE222307T1 (de) | Herstellung von sanften papierprodukten aus altzeitungspapier | |
FI925079A0 (fi) | Cellulaspreparat innefattande ett endoglukanasenzym | |
ES2098902T3 (es) | Composicion limpiadora y blanqueadora con amidoperoxiacido. | |
BR9104821A (pt) | Processo de fabricacao de papel | |
ATE501305T1 (de) | Verfahren zum bleichen von zellstoff | |
CA2099679A1 (en) | Process for de-inking recycled paper pulp | |
ATE180487T1 (de) | Kontinuierliche bleichung von alkylpolyglykosiden | |
CA2064045A1 (en) | Oxygen bleaching of pulp | |
ATE167906T1 (de) | Bleichen von zellstoff mittels sauerstoff | |
DE69316988D1 (de) | Verbessertes ozonbleichen | |
ID883B (id) | Metoda pengolahan bubur kertas sekunder dengan oksigen | |
RU94041701A (ru) | Способ увеличения степени белизны древесной массы и жесткой древесной целлюлозы с высоким выходом | |
ES2073880T3 (es) | Procedimiento de blanqueo de materias vegetales en dos etapas. | |
SE9203218L (sv) | Förfarande för framställning av väteperoxid | |
ATE165636T1 (de) | Aminoalkan-diphosphonsäuren zum bleichen von zellstoff | |
AU5224500A (en) | Method to improve the opacity of mechanical pulp by using aliphatic peroxyacids and use of peroxyacids to improve opacity | |
AU8147394A (en) | Method of high yield paper pulp bleaching using hydrogen peroxide | |
SE501253E8 (sv) | Klorfri blekning av kemisk pappersmassa | |
DE59402342D1 (de) | Verbessertes Verfahren zur Bleiche von Holzstoffen | |
NO20016082L (no) | Blekeaktivator og fremgangsmåte for anvendelse derav | |
MY131385A (en) | Method of treating papermaking fibers for making tissue | |
DE68907585D1 (de) | Glycerolderivate, ihr herstellungsverfahren, diese enthaltende vernetzbare zusammensetzungen und ihre anwendung in der textilindustrie. | |
KR960023017A (ko) | 와인형 솔잎 발효주 제조방법 | |
KR920001033A (ko) | 리파아제를 이용한 재생 펄프의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |