NO971407D0 - Fremgangsmåte for delignifisering og bleking av kjemiske papirmasser - Google Patents

Fremgangsmåte for delignifisering og bleking av kjemiske papirmasser

Info

Publication number: NO971407D0
Authority: NO; Norway
Prior art keywords: delignification; bleaching; chemical pulp; pulp; chemical
Prior art date: 1996-04-12

Application number

NO971407A

Other languages

English (en)

Other versions

NO971407L (no

NO321519B1 (no

Inventor

Michel Devic

Original Assignee

Atochem Elf Sa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1996-04-12

Filing date

1997-03-25

Publication date

1997-03-25

1997-03-25 Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa

1997-03-25 Publication of NO971407D0 publication Critical patent/NO971407D0/no

1997-10-13 Publication of NO971407L publication Critical patent/NO971407L/no

2006-05-15 Publication of NO321519B1 publication Critical patent/NO321519B1/no

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
- D21C9/163—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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

NO19971407A 1996-04-12 1997-03-25 Fremgangsmate for delignifisering og bleking av kjemiske papirmasser NO321519B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9604611A FR2747407B1 (fr)	1996-04-12	1996-04-12	Procede de delignification et de blanchiment de pates a papier chimiques

Publications (3)

Publication Number	Publication Date
NO971407D0 true NO971407D0 (no)	1997-03-25
NO971407L NO971407L (no)	1997-10-13
NO321519B1 NO321519B1 (no)	2006-05-15

Family

ID=9491158

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO19971407A NO321519B1 (no)	1996-04-12	1997-03-25	Fremgangsmate for delignifisering og bleking av kjemiske papirmasser

Country Status (9)

Country	Link
US (1)	US6554958B1 (no)
EP (1)	EP0801169B1 (no)
JP (1)	JP3054378B2 (no)
CN (1)	CN1085756C (no)
CA (1)	CA2200486C (no)
DE (1)	DE69705255T2 (no)
ES (1)	ES2160300T3 (no)
FR (1)	FR2747407B1 (no)
NO (1)	NO321519B1 (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI120202B (fi)	2003-01-10	2009-07-31	Kemira Oyj	Polymeerikoostumus ja sen käyttö
FI117393B (fi)	2003-01-10	2006-09-29	Kemira Oyj	Menetelmä selluloosakuitumateriaalin valkaisemiseksi
JP4595285B2 (ja) *	2003-02-28	2010-12-08	日本製紙株式会社	未晒クラフトパルプ処理方法および高白色度漂白パルプ製造方法
US20100101743A1 (en) *	2007-02-21	2010-04-29	Solvay (Societe Anonyme)	Process for the bleaching of paper pulp
EP2128331A1 (en) *	2008-05-26	2009-12-02	SOLVAY (Société Anonyme)	Process for the bleaching of paper pulp
CN102002876A (zh) *	2010-09-17	2011-04-06	南开大学	一种草类原料无氯无硫清洁制浆方法
WO2013000074A1 (en) *	2011-06-30	2013-01-03	Nano-Green Biorefineries Inc.	Catalytic biomass conversion
EA201891627A1 (ru)	2016-01-28	2019-03-29	Нано-Грин Байорифайнериз Инк.	Получение кристаллической целлюлозы
FR3062138B1 (fr) *	2017-01-23	2019-06-07	Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses	Procede de blanchiment d'une pate a papier

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
LU74434A1 (no)	1976-02-25	1977-09-12
US4787959A (en) *	1977-07-29	1988-11-29	Atochem	Process for preparing chemical paper pulps by cooking, intermediate grinding and a final alkaline peroxide delignification
DE3720806C2 (de)	1986-07-03	1997-08-21	Clariant Finance Bvi Ltd	Verwendung eines Stabilisators in Peroxydbleichverfahren
US5241026A (en)	1986-07-03	1993-08-31	Sandoz Ltd.	Polylactones of poly-α-hydroxyacrylic acid
SE466061B (sv) *	1990-04-23	1991-12-09	Eka Nobel Ab	Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
CA2063351C (en) *	1992-03-18	1996-08-13	Stanley Alan Heimburger	Process for bleaching hardwood pulp
SE9301960L (sv)	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Blekning av kemisk massa med peroxid vid övertryck
SE501613C2 (sv)	1993-08-03	1995-03-27	Kvaerner Pulping Tech	Sätt vid integrering av blekning och återvinning vid framställning av massa
FR2719853B1 (fr)	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de délignification et de blanchiment d'une pâte à papier chimique.
FR2719854B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.

1996
- 1996-04-12 FR FR9604611A patent/FR2747407B1/fr not_active Expired - Fee Related
1997
- 1997-03-04 EP EP97400497A patent/EP0801169B1/fr not_active Expired - Lifetime
- 1997-03-04 DE DE69705255T patent/DE69705255T2/de not_active Expired - Lifetime
- 1997-03-04 ES ES97400497T patent/ES2160300T3/es not_active Expired - Lifetime
- 1997-03-19 CA CA002200486A patent/CA2200486C/fr not_active Expired - Fee Related
- 1997-03-25 NO NO19971407A patent/NO321519B1/no not_active IP Right Cessation
- 1997-04-08 CN CN97110338A patent/CN1085756C/zh not_active Expired - Fee Related
- 1997-04-10 JP JP9092391A patent/JP3054378B2/ja not_active Expired - Lifetime
- 1997-04-11 US US08/840,305 patent/US6554958B1/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2200486A1 (fr)	1997-10-12
EP0801169A1 (fr)	1997-10-15
NO971407L (no)	1997-10-13
EP0801169B1 (fr)	2001-06-20
NO321519B1 (no)	2006-05-15
FR2747407A1 (fr)	1997-10-17
DE69705255T2 (de)	2001-10-11
JP3054378B2 (ja)	2000-06-19
CA2200486C (fr)	2002-01-15
JPH1025685A (ja)	1998-01-27
US6554958B1 (en)	2003-04-29
FR2747407B1 (fr)	1998-05-07
DE69705255D1 (de)	2001-07-26
ES2160300T3 (es)	2001-11-01
CN1167855A (zh)	1997-12-17
CN1085756C (zh)	2002-05-29

Similar Documents

Publication	Publication Date	Title
FI974575L (fi)	1999-06-20	Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö
FI942969L (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
BR9505502A (pt)	1997-10-28	Processo para deslignificação e branqueamento de polpa de organossolvente e polpa de organossolvente
NO944015D0 (no)	1994-10-21	Fremgangsmåte for bleking av en kjemisk papirmasse
NO964609D0 (no)	1996-10-31	Fremgangsmåte for fremstilling av delignifisert og bleket kjemisk papirmasse
FI942968A7 (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
NO971407D0 (no)	1997-03-25	Fremgangsmåte for delignifisering og bleking av kjemiske papirmasser
FI942970L (fi)	1995-12-21	Menetelmä kemiallisen massan delignifioimiseksi
FI944348A0 (fi)	1994-09-19	Menetelmä kraft-massan valkaisemiseksi
AU3602295A (en)	1996-05-23	Process for delignification and bleaching of chemical wood pulps
NO933249D0 (no)	1993-09-10	Fremgangsm}te for bleking av kjemisk papirmasse og anvendelse av fremgangsm}ten for bleking av kraftmasse
NO302129B1 (no)	1998-01-26	Fremgangsmåte for bleking og delignifisering av kjemisk papirmasse
NO953440D0 (no)	1995-09-01	Fremgangsmåte for delignifisering av kjemisk papirmasse
FI964306A7 (fi)	1996-12-18	Selluloosamassojen happivalkaisu
FI974284L (fi)	1997-11-19	Selluloosamassan valkaisumenetelmä
FI945202A0 (fi)	1994-11-04	Kemiallisen massan valkaisu
FI910703A7 (fi)	1991-08-14	Menetelmä sellun valkaisemiseksi ja delignifioimiseksi ilman klooria
NO950954D0 (no)	1995-03-13	Fremgangsmåte ved bleking av masse
FI970519A0 (fi)	1997-02-07	Kemiallisen paperimassan valkaisu sulfonoivissa olosuhteissa
FI103818B1 (fi)	1999-09-30	Menetelmä massan valkaisemiseksi
ZA978715B (en)	1999-03-29	Process for the delignification and bleaching of chemical pulp
FI955519A0 (fi)	1995-11-16	Menetelmä ja laitteisto kemiallisen massan deligniMenetelmä ja laitteisto kemiallisen massan delignifioimiseksi fioimiseksi
NO984593D0 (no)	1998-10-01	FremgangsmÕte for bleking av kjemiske papirmasser
NO942651D0 (no)	1994-07-14	Fremgangsmåte for bleking av papirmasse
SE9604199D0 (sv)	1996-11-18	Blekning av massa

Legal Events

Date	Code	Title	Description
2012-10-22	MM1K	Lapsed by not paying the annual fees