NO20003014D0 - Oxygen deprivation of lignocellulosic material - Google Patents

Oxygen deprivation of lignocellulosic material

Info

Publication number: NO20003014D0
Authority: NO; Norway
Prior art keywords: lignocellulosic material; oxygen deprivation; deprivation; oxygen; lignocellulosic
Prior art date: 1999-06-14

Application number

NO20003014A

Other languages

Norwegian (no)

Other versions

NO20003014L (en

Inventor

Jorge Luiz Colodette

Ana Sabina De Campos Hen Brito

Original Assignee

Praxair Technology 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.)

1999-06-14

Filing date

2000-06-13

Publication date

2000-06-13

2000-06-13 Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc

2000-06-13 Publication of NO20003014D0 publication Critical patent/NO20003014D0/en

2000-12-15 Publication of NO20003014L publication Critical patent/NO20003014L/en

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
239000012978 lignocellulosic material Substances 0.000 title 1
229910052760 oxygen Inorganic materials 0.000 title 1
239000001301 oxygen Substances 0.000 title 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
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
- 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

Landscapes

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

NO20003014A 1999-06-14 2000-06-13 Oxygen end ligation of lignocellulosic material NO20003014L (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US33098399A	1999-06-14	1999-06-14

Publications (2)

Publication Number	Publication Date
NO20003014D0 true NO20003014D0 (en)	2000-06-13
NO20003014L NO20003014L (en)	2000-12-15

Family

ID=23292141

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO20003014A NO20003014L (en)	1999-06-14	2000-06-13	Oxygen end ligation of lignocellulosic material

Country Status (7)

Country	Link
EP (1)	EP1061173A1 (en)
JP (1)	JP2001003287A (en)
KR (1)	KR100538083B1 (en)
CN (1)	CN1277283A (en)
BR (1)	BR0002634A (en)
CA (1)	CA2311718A1 (en)
NO (1)	NO20003014L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
RU2233926C1 (en) *	2003-06-30	2004-08-10	Алтайский государственный университет	Raw plant material delignifying method
SE540043C2 (en) *	2015-11-27	2018-03-06	Valmet Oy	Method and system for oxygen delignification of cellulose pulp
KR102656393B1 (en) *	2017-09-11	2024-04-12	솔레니스 테크놀러지스, 엘.피.	Improved Oxygen Delignification Method for Chemical Wood Pulp
CN112342816B (en) *	2020-11-02	2022-08-09	天津科技大学	Protection technology for paper pulp in oxygen delignification
CN112778539A (en) *	2021-01-04	2021-05-11	中国林业科学研究院林产化学工业研究所	Method for preparing oxidized lignin with high carboxyl content from fiber raw material
SE546238C2 (en) *	2022-06-27	2024-07-23	Valmet Oy	Method for processing cellulose pulp obtained from a kraft process
CN115417931B (en) *	2022-09-22	2024-03-22	上海同化益生纤生物科技有限公司	Preparation method and application of temperature-resistant cellulose

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4806203A (en) *	1985-02-14	1989-02-21	Elton Edward F	Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
US5085734A (en) *	1989-02-15	1992-02-04	Union Camp Patent Holding, Inc.	Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
US5296292A (en) *	1990-09-04	1994-03-22	W. L. Gore & Associates, Inc.	Elongated cylindrical tensile article
EP0530881A1 (en) *	1991-08-14	1993-03-10	Union Camp Patent Holding, Inc.	Use of wash press for pulp alkali addition process
WO1997027358A2 (en) *	1995-12-07	1997-07-31	Beloit Technologies, Inc.	Oxygen delignification of medium consistency pulp slurry

2000
- 2000-06-13 CA CA002311718A patent/CA2311718A1/en not_active Abandoned
- 2000-06-13 NO NO20003014A patent/NO20003014L/en not_active Application Discontinuation
- 2000-06-13 KR KR10-2000-0032341A patent/KR100538083B1/en not_active Expired - Fee Related
- 2000-06-13 CN CN00121746A patent/CN1277283A/en active Pending
- 2000-06-13 BR BR0002634-4A patent/BR0002634A/en not_active Application Discontinuation
- 2000-06-13 EP EP00111891A patent/EP1061173A1/en not_active Withdrawn
- 2000-06-13 JP JP2000176554A patent/JP2001003287A/en active Pending

Also Published As

Publication number	Publication date
KR20010049536A (en)	2001-06-15
CA2311718A1 (en)	2000-12-14
EP1061173A1 (en)	2000-12-20
NO20003014L (en)	2000-12-15
KR100538083B1 (en)	2005-12-22
CN1277283A (en)	2000-12-20
BR0002634A (en)	2001-01-02
JP2001003287A (en)	2001-01-09

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Legal Events

Date	Code	Title	Description
2004-02-02	FC2A	Withdrawal, rejection or dismissal of laid open patent application