ES2116952T3 - Metodo para el reprocesado de un gas conteniendo ozono, presente en una planta de blanqueo de pasta de papel. - Google Patents

Metodo para el reprocesado de un gas conteniendo ozono, presente en una planta de blanqueo de pasta de papel.

Info

Publication number: ES2116952T3
Authority: ES; Spain
Prior art keywords: ozone; gas; scrubber; containing gas; alkaline medium
Prior art date: 1995-08-07
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

ES96927319T

Other languages

English (en)

Spanish (es)

Other versions

ES2116952T1 (es

Inventor

Jeffrey Rounsaville

Shusuke Minami

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Beloit Technologies Inc

Original Assignee

Beloit Technologies 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.)

1995-08-07

Filing date

1996-08-06

Publication date

2000-02-01

1996-08-05 Priority claimed from US08/693,919 external-priority patent/US5695604A/en

1996-08-06 Application filed by Beloit Technologies Inc filed Critical Beloit Technologies Inc

1998-08-01 Publication of ES2116952T1 publication Critical patent/ES2116952T1/es

2000-02-01 Application granted granted Critical

2000-02-01 Publication of ES2116952T3 publication Critical patent/ES2116952T3/es

2016-08-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title abstract 11
238000004076 pulp bleaching Methods 0.000 title abstract 4
238000000034 method Methods 0.000 title abstract 3
238000012958 reprocessing Methods 0.000 title abstract 2
229920001131 Pulp (paper) Polymers 0.000 title 1
239000007789 gas Substances 0.000 abstract 13
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
238000004061 bleaching Methods 0.000 abstract 2
239000000706 filtrate Substances 0.000 abstract 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
239000012159 carrier gas Substances 0.000 abstract 1
238000007599 discharging Methods 0.000 abstract 1
239000001301 oxygen Substances 0.000 abstract 1
229910052760 oxygen Inorganic materials 0.000 abstract 1

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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- 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)
Detergent Compositions (AREA)
Treating Waste Gases (AREA)

ES96927319T 1995-08-07 1996-08-06 Metodo para el reprocesado de un gas conteniendo ozono, presente en una planta de blanqueo de pasta de papel. Expired - Lifetime ES2116952T3 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US194595P	1995-08-07	1995-08-07
US08/693,919 US5695604A (en)	1996-08-05	1996-08-05	Method for reprocessing an ozone-containing gas present in a pulp bleaching plant

Publications (2)

Publication Number	Publication Date
ES2116952T1 ES2116952T1 (es)	1998-08-01
ES2116952T3 true ES2116952T3 (es)	2000-02-01

Family

ID=26669715

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES96927319T Expired - Lifetime ES2116952T3 (es)	1995-08-07	1996-08-06	Metodo para el reprocesado de un gas conteniendo ozono, presente en una planta de blanqueo de pasta de papel.

Country Status (10)

Country	Link
EP (1)	EP0843757B1 (de)
JP (1)	JPH10510469A (de)
CN (1)	CN1198786A (de)
AT (1)	ATE185857T1 (de)
BR (1)	BR9609907A (de)
CA (1)	CA2229046A1 (de)
DE (2)	DE69604809T2 (de)
ES (1)	ES2116952T3 (de)
PT (1)	PT843757E (de)
WO (1)	WO1997006305A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2008105108A1 (ja)	2007-02-27	2008-09-04	Shigenori Aono	漂白繊維品の製法およびそれに用いる装置、並びにそれによって得られる漂白繊維品
WO2008105132A1 (ja) *	2007-02-27	2008-09-04	Shigenori Aono	漂白繊維品の製法およびそれに用いる装置、並びにそれによって得られる漂白繊維品
WO2008108506A1 (ja)	2007-03-07	2008-09-12	Nihon Cellulose Co., Ltd.	硫化物を含有しない黒液の処理方法
FI20080008L (fi) *	2008-01-08	2009-07-09	Andritz Oy	Otsonipitoisen kaasun käsittely massan valkaisun yhteydessä

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6126781A (en) *	1991-08-01	2000-10-03	Union Camp Patent Holding, Inc.	Process for conditioning ozone gas recycle stream in ozone pulp bleaching
CA2107764A1 (en) *	1992-03-02	1993-09-16	Lawrence A. Hinkey	Combined ozone destruction and fiber scrubbing in paper pulp mills
CA2078276C (en) *	1992-09-15	2004-05-25	Derek Hornsey	Recovery of oxygen-rich gas from ozone bleaching processes
US5403441A (en) *	1992-11-13	1995-04-04	Union Camp Patent Holding, Inc.	Method for controlling an ozone bleaching process

1996
- 1996-08-06 BR BR9609907A patent/BR9609907A/pt not_active Application Discontinuation
- 1996-08-06 AT AT96927319T patent/ATE185857T1/de not_active IP Right Cessation
- 1996-08-06 ES ES96927319T patent/ES2116952T3/es not_active Expired - Lifetime
- 1996-08-06 DE DE69604809T patent/DE69604809T2/de not_active Expired - Fee Related
- 1996-08-06 CN CN96197410.9A patent/CN1198786A/zh active Pending
- 1996-08-06 CA CA002229046A patent/CA2229046A1/en not_active Abandoned
- 1996-08-06 EP EP96927319A patent/EP0843757B1/de not_active Expired - Lifetime
- 1996-08-06 WO PCT/US1996/012776 patent/WO1997006305A1/en not_active Ceased
- 1996-08-06 DE DE0843757T patent/DE843757T1/de active Pending
- 1996-08-06 PT PT96927319T patent/PT843757E/pt unknown
- 1996-08-06 JP JP9508601A patent/JPH10510469A/ja active Pending

Also Published As

Publication number	Publication date
BR9609907A (pt)	1999-03-30
JPH10510469A (ja)	1998-10-13
ATE185857T1 (de)	1999-11-15
CN1198786A (zh)	1998-11-11
EP0843757A1 (de)	1998-05-27
EP0843757B1 (de)	1999-10-20
DE69604809D1 (de)	1999-11-25
PT843757E (pt)	2000-04-28
DE69604809T2 (de)	2000-05-11
ES2116952T1 (es)	1998-08-01
WO1997006305A1 (en)	1997-02-20
DE843757T1 (de)	1998-11-12
CA2229046A1 (en)	1997-02-20

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2000-02-01

FG2A

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