FI93867C - Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi - Google Patents

Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi Download PDF

Info

Publication number: FI93867C
Authority: FI; Finland
Prior art keywords: ozone; reactor; pulp; housing; gas
Prior art date: 1987-09-17

Application number

FI884267A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI93867B (fi

FI884267A0 (fi

FI884267A (fi

Inventor

Christian Coste

Pierre Jan

Original Assignee

Degremont

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.)

1987-09-17

Filing date

1988-09-16

Publication date

1995-06-12

1988-09-16 Application filed by Degremont filed Critical Degremont

1988-09-16 Publication of FI884267A0 publication Critical patent/FI884267A0/fi

1989-03-18 Publication of FI884267A publication Critical patent/FI884267A/fi

1995-02-28 Publication of FI93867B publication Critical patent/FI93867B/fi

1995-06-12 Application granted granted Critical

1995-06-12 Publication of FI93867C publication Critical patent/FI93867C/fi

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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Fertilizers (AREA)

FI884267A 1987-09-17 1988-09-16 Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi FI93867C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8712890A FR2620744A1 (fr)	1987-09-17	1987-09-17	Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede
FR8712890		1987-09-17

Publications (4)

Publication Number	Publication Date
FI884267A0 FI884267A0 (fi)	1988-09-16
FI884267A FI884267A (fi)	1989-03-18
FI93867B FI93867B (fi)	1995-02-28
FI93867C true FI93867C (fi)	1995-06-12

Family

ID=9354988

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI884267A FI93867C (fi)	1987-09-17	1988-09-16	Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi

Country Status (10)

Country	Link
EP (1)	EP0308314B1 (fr)
JP (1)	JP2731822B2 (fr)
AT (1)	ATE82340T1 (fr)
BR (1)	BR8804806A (fr)
CA (1)	CA1314664C (fr)
DE (2)	DE308314T1 (fr)
ES (1)	ES2035339T3 (fr)
FI (1)	FI93867C (fr)
FR (1)	FR2620744A1 (fr)
NO (1)	NO174781C (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5211811A (en) *	1989-02-15	1993-05-18	Union Camp Patent Holding, Inc.	Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5472572A (en) *	1990-10-26	1995-12-05	Union Camp Patent Holding, Inc.	Reactor for bleaching high consistency pulp with ozone
US5188708A (en)	1989-02-15	1993-02-23	Union Camp Patent Holding, Inc.	Process for high consistency oxygen delignification followed by ozone relignification
US5409570A (en) *	1989-02-15	1995-04-25	Union Camp Patent Holding, Inc.	Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5181989A (en) *	1990-10-26	1993-01-26	Union Camp Patent Holdings, Inc.	Reactor for bleaching high consistency pulp with ozone
FI89516B (fi) *	1989-05-10	1993-06-30	Ahlstroem Oy	Foerfarande foer blekning av cellulosamassa med otson
AT395180B (de) *	1989-08-16	1992-10-12	Andritz Ag Maschf	Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
US5441603A (en) *	1990-05-17	1995-08-15	Union Camp Patent Holding, Inc.	Method for chelation of pulp prior to ozone delignification
US5164043A (en)	1990-05-17	1992-11-17	Union Camp Patent Holding, Inc.	Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en)	1990-05-17	1992-11-17	Union Camp Patent Holding, Inc.	Environmentally improved process for bleaching lignocellulosic materials with ozone
US5520783A (en) *	1990-10-26	1996-05-28	Union Camp Patent Holding, Inc.	Apparatus for bleaching high consistency pulp with ozone
US5174861A (en) *	1990-10-26	1992-12-29	Union Camp Patent Holdings, Inc.	Method of bleaching high consistency pulp with ozone
EP0492040A1 (fr) *	1990-12-21	1992-07-01	Kamyr, Inc.	Réacteur rotatif à ozone pour pâte à papier
EP0492039A1 (fr) *	1990-12-27	1992-07-01	Kamyr, Inc.	Réacteur pneumatique pour le blanchiment à l'ozone de pâte à papier
US5087326A (en) *	1991-02-20	1992-02-11	Union Camp Patent Holding, Inc.	Rotating pulp bleaching reactor having inner and outer shells and lifting means on the interior surface of the inner shell
US5411633A (en) *	1991-04-30	1995-05-02	Kamyr, Inc.	Medium consistency pulp ozone bleaching
EP0515303B2 (fr) *	1991-05-24	2001-07-04	Union Camp Patent Holding, Inc.	Procédé de blanchiment avec ozone
FI925558A (fi) *	1992-04-22	1993-10-23	Ahlstroem Oy	Foerfarande och anordning foer blekning av massa
US5387317A (en) *	1993-01-28	1995-02-07	The Mead Corporation	Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US5810973A (en) *	1993-09-21	1998-09-22	Beloit Technologies, Inc.	Apparatus for producing small particles from high consistency wood pulp
US5554259A (en)	1993-10-01	1996-09-10	Union Camp Patent Holdings, Inc.	Reduction of salt scale precipitation by control of process stream Ph and salt concentration
CA2197190A1 (fr) *	1994-08-11	1996-02-22	Lewis D. Shackford	Dispositif de manutention de pate a papier dechiquetee a etancheite au gaz
US5944952A (en) *	1995-07-26	1999-08-31	Beloit Technologies, Inc.	Method for bleaching high consistency pulp with a gaseous bleaching reagent
US6077396A (en) *	1997-05-16	2000-06-20	Lariviere; Christopher J.	Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent
US6174409B1 (en)	1997-09-19	2001-01-16	American Air Liquide Inc.	Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
SE514416C2 (sv) *	1999-06-10	2001-02-19	Valmet Fibertech Ab	Metod och system för gastät inmatning av massa till en reaktor för ozonblekning
FR2811320B1 (fr) *	2000-07-06	2002-08-23	Adir	Nouvelle forme cristalline alpha du sel de tert-butylamine du perindopril, son procede de preparation et les compositions pharmaceutiques qui la contiennent

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1591070A (en) *	1925-02-27	1926-07-06	Robert B Wolf	Bleaching apparatus
US2013115A (en) *	1931-09-21	1935-09-03	Thorne Carl Busch	Process and apparatus for the refining of pulp
US2466633A (en) *	1948-05-26	1949-04-05	James M Daily	Method of bleaching cellulosic pulp
FR1441787A (fr) *	1965-04-30	1966-06-10	Progil	Procédé de blanchiment des pâtes à papier
NO137651C (no) *	1975-10-31	1978-03-29	Myrens Verksted As	Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk.
JPS5319404A (en) *	1976-04-19	1978-02-22	Toyo Pulp Co Ltd	Process and apparatus for treating cellulose material
CA1090510A (fr) *	1976-06-02	1980-12-02	Arthur W. Kempf	Delignification et blanchiment par l'ozone d'une pate lignocellulosique liquide
JPS5536313A (en) *	1978-08-30	1980-03-13	Hokusan Kk	Production of mechanical pulp
US4363697A (en) *	1979-12-03	1982-12-14	The Black Clawson Company	Method for medium consistency oxygen delignification of pulp
FR2474550A1 (fr) *	1980-01-24	1981-07-31	Scott Paper Co	Procede de blanchiment de pate cellulosique
FR2609067B1 (fr) *	1986-12-31	1990-06-15	Beghin Say Sa	Procede pour le traitement a l'ozone d'une pate cellulosique

1987
- 1987-09-17 FR FR8712890A patent/FR2620744A1/fr not_active Withdrawn
1988
- 1988-09-12 EP EP88402296A patent/EP0308314B1/fr not_active Expired - Lifetime
- 1988-09-12 DE DE198888402296T patent/DE308314T1/de active Pending
- 1988-09-12 AT AT88402296T patent/ATE82340T1/de not_active IP Right Cessation
- 1988-09-12 CA CA000577157A patent/CA1314664C/fr not_active Expired - Fee Related
- 1988-09-12 ES ES198888402296T patent/ES2035339T3/es not_active Expired - Lifetime
- 1988-09-12 DE DE8888402296T patent/DE3875893T2/de not_active Expired - Fee Related
- 1988-09-16 NO NO884128A patent/NO174781C/no not_active IP Right Cessation
- 1988-09-16 FI FI884267A patent/FI93867C/fi not_active IP Right Cessation
- 1988-09-16 BR BR8804806A patent/BR8804806A/pt not_active IP Right Cessation
- 1988-09-17 JP JP63233374A patent/JP2731822B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0308314A1 (fr)	1989-03-22
NO884128D0 (no)	1988-09-16
FI93867B (fi)	1995-02-28
JP2731822B2 (ja)	1998-03-25
NO174781B (no)	1994-03-28
BR8804806A (pt)	1989-04-25
FI884267A0 (fi)	1988-09-16
EP0308314B1 (fr)	1992-11-11
NO174781C (no)	1994-07-06
JPH0197290A (ja)	1989-04-14
DE3875893T2 (de)	1993-03-18
FR2620744A1 (fr)	1989-03-24
ATE82340T1 (de)	1992-11-15
CA1314664C (fr)	1993-03-23
NO884128L (no)	1989-03-20
DE3875893D1 (de)	1992-12-17
ES2035339T3 (es)	1993-04-16
FI884267A (fi)	1989-03-18
DE308314T1 (de)	1989-10-05

Publication	Publication Date	Title
FI93867C (fi)	1995-06-12	Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi
US10619308B2 (en)	2020-04-14	Paper products and methods and systems for manufacturing such products
FI67413C (fi)	1985-03-11	Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
SE422818B (sv)	1982-03-29	Forfarande for foredling av allulosamassa genom blekning eller extrahering
SE514789C2 (sv)	2001-04-23	Delignifiering och blekning av cellulosamassor med perättiksyra, ozon och syre
KR100343972B1 (ko)	2002-07-24	과산화수소 함유 폐수의 처리 방법 및 그 장치
FI73747C (fi)	1987-11-09	Apparatur foer behandling av lignocellulosamaterial med kvaeveoxid och syre.
AU2016202702B2 (en)	2017-03-16	Paper products and methods and systems for manufacturing such products
CA1219733A (fr)	1987-03-31	Dispositif et methode de reaction d'un gaz
CA1107941A (fr)	1981-09-01	Methode d'affinage d'une matiere fibreuse
EP1115946B1 (fr)	2008-02-20	Blanchiment a l'ozone de pate a papier de consistance moyenne sans melange sous cisaillement eleve
SU1386619A1 (ru)	1988-04-07	Способ получени фурфурола и уксусной кислоты
US20050173082A1 (en)	2005-08-11	Bleaching of medium consistency pulp with ozone without high shear mixing

Legal Events

Date	Code	Title	Description
1995-02-01	BB	Publication of examined application
2004-08-31	MM	Patent lapsed	Owner name: DEGREMONT