BR9307281A - Polpa alvajada com ozónio e processo para sua produção - Google Patents

Polpa alvajada com ozónio e processo para sua produção

Info

Publication number: BR9307281A
Authority: BR; Brazil
Prior art keywords: pulp; ozone; production; bleached; medium
Prior art date: 1992-10-23

Application number

BR9307281A

Other languages

English (en)

Inventor

Marco Solinas

Thomas Howard Murphy

Adriaan Reinhard Pie Heiningen

Yonghao Ni

Original Assignee

Mac Millan Bloedel Ltd

Univ New Brunswick

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.)

1992-10-23

Filing date

1993-10-07

Publication date

1999-06-01

1993-10-07 Application filed by Mac Millan Bloedel Ltd, Univ New Brunswick filed Critical Mac Millan Bloedel Ltd

1999-06-01 Publication of BR9307281A publication Critical patent/BR9307281A/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
- D21C9/101—Bleaching ; Apparatus therefor in solvent medium
- 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
- 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)

BR9307281A 1992-10-23 1993-10-07 Polpa alvajada com ozónio e processo para sua produção BR9307281A (pt)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US96663992A	1992-10-23	1992-10-23
US98006892A	1992-11-23	1992-11-23
US5649693A	1993-05-03	1993-05-03
PCT/CA1993/000402 WO1994010377A1 (en)	1992-10-23	1993-10-07	Improved ozone bleaching

Publications (1)

Publication Number	Publication Date
BR9307281A true BR9307281A (pt)	1999-06-01

Family

ID=27369043

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9307281A BR9307281A (pt)	1992-10-23	1993-10-07	Polpa alvajada com ozónio e processo para sua produção

Country Status (11)

Country	Link
US (1)	US5685953A (pt)
EP (1)	EP0665912B1 (pt)
JP (1)	JPH08502556A (pt)
CN (1)	CN1107530A (pt)
AT (1)	ATE163206T1 (pt)
AU (1)	AU5104593A (pt)
BR (1)	BR9307281A (pt)
CA (1)	CA2147244A1 (pt)
DE (1)	DE69316988T2 (pt)
FI (1)	FI951919L (pt)
WO (1)	WO1994010377A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2190503A1 (en) *	1994-06-02	1995-12-14	Marco Solinas	Ozone bleaching
WO1997036040A1 (en) *	1996-03-25	1997-10-02	Alcell Technologies Inc.	Ozone-bleached organosolv pulps
CN100404753C (zh) *	2002-10-18	2008-07-23	梅秀泉	氧化法全棉秆造新闻纸浆及其制备方法
CN100404754C (zh) *	2002-10-18	2008-07-23	梅秀泉	生物/氧化法造芦苇浆的制备方法
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
ES2393552T3 (es) *	2003-10-24	2012-12-26	Ozone Wash (Pty) Limited	Procedimiento de lavado de artículos de mesa que incluye un biocida
AU2003292885A1 (en) *	2003-12-25	2005-07-21	Xiuquan Mei	Closed cycle zero discharge bio-oxidizing pulping process
EP1707668A1 (en) *	2003-12-25	2006-10-04	Xiuquan Mei	Closed cycle zero discharge oxidizing pulping process
US20070131364A1 (en) *	2005-12-14	2007-06-14	University Of Maine	Process for treating a cellulose-lignin pulp
US20100224336A1 (en) *	2005-12-14	2010-09-09	University Of Maine System Board Of Trustees	Process of bleaching a wood pulp
JP5360546B2 (ja)	2007-01-15	2013-12-04	日本セルロース株式会社	パルプの製造方法
WO2019124527A1 (ja) *	2017-12-20	2019-06-27	ユニ・チャーム株式会社	リサイクル資材の清浄度の評価方法、リサイクル資材の製造方法、リサイクルパルプ繊維、及びリサイクルパルプ繊維の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4041742A (en) *	1976-01-15	1977-08-16	Kelsey-Hayes Company	Apparatus and method for cold working metal powder
JPS5390403A (en) *	1977-01-17	1978-08-09	Kogyo Gijutsuin	Improving of oxygenn ozone bleaching of pulp
NO144711C (no) *	1978-04-04	1981-10-21	Myrens Verksted As	Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4229252A (en) *	1979-01-11	1980-10-21	Weyerhaeuser Company	Additives for ozone bleaching
AT395028B (de) *	1990-02-07	1992-08-25	Chemiefaser Lenzing Ag	Verfahren zum chlorfreien bleichen von kunstfaserzellstoff
EP0579744A4 (en) *	1991-04-08	1995-11-15	Int Paper Co	Method for reducing colored matter from bleach effluent using a dzd bleach sequence
SE469387B (sv) *	1992-05-11	1993-06-28	Kamyr Ab	Saett vid blekning av massa utan anvaendning av klorkemikalier

1993
- 1993-10-07 CA CA002147244A patent/CA2147244A1/en not_active Abandoned
- 1993-10-07 BR BR9307281A patent/BR9307281A/pt not_active Application Discontinuation
- 1993-10-07 WO PCT/CA1993/000402 patent/WO1994010377A1/en not_active Ceased
- 1993-10-07 AT AT93921757T patent/ATE163206T1/de not_active IP Right Cessation
- 1993-10-07 FI FI951919A patent/FI951919L/fi not_active Application Discontinuation
- 1993-10-07 JP JP6510490A patent/JPH08502556A/ja active Pending
- 1993-10-07 EP EP93921757A patent/EP0665912B1/en not_active Expired - Lifetime
- 1993-10-07 DE DE69316988T patent/DE69316988T2/de not_active Expired - Fee Related
- 1993-10-07 AU AU51045/93A patent/AU5104593A/en not_active Abandoned
- 1993-10-22 CN CN93120390A patent/CN1107530A/zh active Pending
1995
- 1995-06-09 US US08/489,077 patent/US5685953A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69316988D1 (de)	1998-03-19
ATE163206T1 (de)	1998-02-15
FI951919A7 (fi)	1995-06-20
WO1994010377A1 (en)	1994-05-11
US5685953A (en)	1997-11-11
JPH08502556A (ja)	1996-03-19
EP0665912B1 (en)	1998-02-11
FI951919L (fi)	1995-06-20
EP0665912A1 (en)	1995-08-09
DE69316988T2 (de)	1998-07-30
FI951919A0 (fi)	1995-04-21
AU5104593A (en)	1994-05-24
CA2147244A1 (en)	1994-05-11
CN1107530A (zh)	1995-08-30

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Legal Events

Date	Code	Title
1999-07-13	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2000-08-29	FF	Decision: intention to grant
2001-11-20	FA11	Dismissal: dismissal - article 38, par. 2 of industrial property law