BR9200083A - Metodo e aparelho de alvejamento com ozonio de polpa de papel - Google Patents

Metodo e aparelho de alvejamento com ozonio de polpa de papel

Info

Publication number: BR9200083A
Authority: BR; Brazil
Prior art keywords: pulp; ozone; gas; vessel; oxygen
Prior art date: 1991-04-30

Application number

BR929200083A

Other languages

English (en)

Inventor

Joseph R Phillips

Brian F Greenwood

Erwin Funk

Stephen Dunn

Original Assignee

Kamyr Inc

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.)

1991-04-30

Filing date

1992-01-14

Publication date

1992-12-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24784063&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9200083(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-01-14 Application filed by Kamyr Inc filed Critical Kamyr Inc

1992-12-01 Publication of BR9200083A publication Critical patent/BR9200083A/pt

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)
External Artificial Organs (AREA)
Saccharide Compounds (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)

BR929200083A 1991-04-30 1992-01-14 Metodo e aparelho de alvejamento com ozonio de polpa de papel BR9200083A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/693,287 US5411633A (en)	1991-04-30	1991-04-30	Medium consistency pulp ozone bleaching

Publications (1)

Publication Number	Publication Date
BR9200083A true BR9200083A (pt)	1992-12-01

Family

ID=24784063

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR929200083A BR9200083A (pt)	1991-04-30	1992-01-14	Metodo e aparelho de alvejamento com ozonio de polpa de papel

Country Status (11)

Country	Link
US (1)	US5411633A (pt)
EP (1)	EP0511433B1 (pt)
JP (1)	JPH05209387A (pt)
AT (1)	ATE120816T1 (pt)
AU (1)	AU644712B2 (pt)
BR (1)	BR9200083A (pt)
CA (1)	CA2057644C (pt)
DE (1)	DE69108712T2 (pt)
FI (1)	FI921716A7 (pt)
NO (1)	NO920130L (pt)
ZA (1)	ZA92375B (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI925558A7 (fi) *	1992-04-22	1993-10-23	Andritz Oy	Menetelmä ja laitteisto massan valkaisemiseksi
CA2078276C (en) *	1992-09-15	2004-05-25	Derek Hornsey	Recovery of oxygen-rich gas from ozone bleaching processes
US5364505A (en) *	1992-12-07	1994-11-15	Kamyr, Inc.	Pressurized ozone pulp delignification reactor and a compressor for supplying ozone to the reactor
US6340409B1 (en) *	1993-04-29	2002-01-22	Lewis Donald Shackford	Method for multistage bleaching using gaseous reagent in the first stage with controlled gas release
AT402077B (de) *	1995-03-10	1997-01-27	Andritz Patentverwaltung	Verfahren und vorrichtung zur behandlung, insbesondere bleichen, von faserstoff
US5656130A (en) *	1995-04-28	1997-08-12	Union Camp Holding, Inc.	Ambient temperature pulp bleaching with peroxyacid salts
US6051109A (en) *	1995-10-27	2000-04-18	Andritz-Patentverwaltungs-Gesellschaft M.B.H.	Apparatus for distributing fluffed pulp into a static bed reactor
US5851350A (en) *	1995-12-27	1998-12-22	A. Ahlstrom Corporation	Method and apparatus for pumping cellulose pulp
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
FI981808L (fi) *	1998-08-24	2000-02-25	Crs Reactor Engineering Uk Ltd	Menetelmä massan valkaisemiseksi
SE9803474L (sv) *	1998-10-08	2000-04-09	Valmet Fibertech Ab	Syrgasblekning av massa
FR2845682B1 (fr) *	2002-10-10	2004-11-19	Air Liquide	Procede de reduction des boues d'un traitement biologique de l'eau mettant en oeuvre de l'ozone
US9782696B2 (en) *	2013-12-27	2017-10-10	ClearCove Systems, Inc.	Method for maximizing uniform effluent flow through a waste water treatment system
US9744482B2 (en)	2013-12-27	2017-08-29	ClearCove Systems, Inc.	Screen decanter for screening solids from waste water
US9643106B2 (en)	2013-12-27	2017-05-09	ClearCove Systems, Inc.	Screen decanter for removing solids from wastewater
US10190710B2 (en)	2013-12-27	2019-01-29	ClearCove Systems, Inc.	Foldable drain pipe for a decanter in a water treatment system
US9855518B2 (en)	2013-12-27	2018-01-02	ClearCove Systems, Inc.	Method and apparatus for a vertical lift decanter system in a water treatment system
EP3712323B1 (en) *	2017-12-20	2025-11-05	Unicharm Corporation	Method for manufacturing recycled pulp fibers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4486286A (en) *	1982-09-28	1984-12-04	Nerken Research Corp.	Method of depositing a carbon film on a substrate and products obtained thereby
FR2620744A1 (fr) *	1987-09-17	1989-03-24	Degremont	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
FI89516B (fi) *	1989-05-10	1993-06-30	Ahlstroem Oy	Foerfarande foer blekning av cellulosamassa med otson
AU636173B2 (en) *	1989-10-30	1993-04-22	Lenzing Aktiengesellschaft	Method for the chlorine-free bleaching of pulps

1991
- 1991-04-30 US US07/693,287 patent/US5411633A/en not_active Expired - Fee Related
- 1991-11-30 DE DE69108712T patent/DE69108712T2/de not_active Revoked
- 1991-11-30 EP EP91120643A patent/EP0511433B1/en not_active Revoked
- 1991-11-30 AT AT91120643T patent/ATE120816T1/de not_active IP Right Cessation
- 1991-12-13 CA CA2057644A patent/CA2057644C/en not_active Expired - Fee Related
1992
- 1992-01-06 AU AU10048/92A patent/AU644712B2/en not_active Withdrawn - After Issue
- 1992-01-09 NO NO92920130A patent/NO920130L/no unknown
- 1992-01-14 BR BR929200083A patent/BR9200083A/pt not_active Application Discontinuation
- 1992-01-20 ZA ZA92375A patent/ZA92375B/xx unknown
- 1992-02-12 JP JP4025321A patent/JPH05209387A/ja not_active Withdrawn
- 1992-04-16 FI FI921716A patent/FI921716A7/fi unknown

Also Published As

Publication number	Publication date
FI921716A0 (fi)	1992-04-16
FI921716A7 (fi)	1992-10-31
NO920130D0 (no)	1992-01-09
DE69108712D1 (de)	1995-05-11
CA2057644F (en)	1992-10-31
EP0511433B1 (en)	1995-04-05
CA2057644A1 (en)	1992-10-31
NO920130L (no)	1992-11-02
AU644712B2 (en)	1993-12-16
AU1004892A (en)	1992-11-05
DE69108712T2 (de)	1995-08-17
JPH05209387A (ja)	1993-08-20
ZA92375B (en)	1993-04-15
ATE120816T1 (de)	1995-04-15
EP0511433A1 (en)	1992-11-04
US5411633A (en)	1995-05-02
CA2057644C (en)	1996-08-06

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BR9200083A (pt)	1992-12-01	Metodo e aparelho de alvejamento com ozonio de polpa de papel
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Legal Events

Date	Code	Title	Description
1999-01-05	FF	Decision: intention to grant
2000-04-11	FA11	Dismissal: dismissal - article 38, par. 2 of industrial property law