FI20011551L - Method for oxidizing white liquor - Google Patents

Method for oxidizing white liquor Download PDF

Info

Publication number: FI20011551L
Authority: FI; Finland
Prior art keywords: white liquor; oxidizing white; oxidizing; liquor; white
Prior art date: 1999-01-18

Application number

FI20011551A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI20011551A7 (en

Inventor

Anette Olsson

Christos Rampotas

Viveka Svensson

Niclas Oejstedt

Original Assignee

Kemira Kemi Ab

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.)

1999-01-18

Filing date

2000-01-04

Publication date

2001-07-17

2000-01-04 Application filed by Kemira Kemi Ab filed Critical Kemira Kemi Ab

2001-07-17 Publication of FI20011551A7 publication Critical patent/FI20011551A7/en

2001-07-17 Publication of FI20011551L publication Critical patent/FI20011551L/en

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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment

FI20011551A 1999-01-18 2000-01-04 Method for oxidizing white liquor FI20011551L (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE9900143A SE513403C2 (en)	1999-01-18	1999-01-18	Procedure for oxidizing white liquor
PCT/SE2000/000007 WO2000044978A1 (en)	1999-01-18	2000-01-04	Process for oxidising white liquor

Publications (2)

Publication Number	Publication Date
FI20011551A7 FI20011551A7 (en)	2001-07-17
FI20011551L true FI20011551L (en)	2001-07-17

Family

ID=20414142

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI20011551A FI20011551L (en)	1999-01-18	2000-01-04	Method for oxidizing white liquor

Country Status (4)

Country	Link
AU (1)	AU2335000A (en)
FI (1)	FI20011551L (en)
SE (1)	SE513403C2 (en)
WO (1)	WO2000044978A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102020002446A1 (en)	2020-04-23	2021-10-28	Messer Austria Gmbh	Process and device for white liquor oxidation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5382322A (en) *	1991-10-18	1995-01-17	Air Products And Chemicals, Inc.	Selective white liquor oxidation
WO1994001616A1 (en) *	1992-07-09	1994-01-20	Kamyr, Inc.	White liquor oxidation for bleach plant use
US5439556A (en) *	1993-08-16	1995-08-08	The Boc Group, Inc.	Oxidation of white liquor using a packing column

1999
- 1999-01-18 SE SE9900143A patent/SE513403C2/en not_active IP Right Cessation
2000
- 2000-01-04 AU AU23350/00A patent/AU2335000A/en not_active Abandoned
- 2000-01-04 FI FI20011551A patent/FI20011551L/en not_active IP Right Cessation
- 2000-01-04 WO PCT/SE2000/000007 patent/WO2000044978A1/en not_active Ceased

Also Published As

Publication number	Publication date
WO2000044978A1 (en)	2000-08-03
SE9900143D0 (en)	1999-01-18
AU2335000A (en)	2000-08-18
FI20011551A7 (en)	2001-07-17
SE513403C2 (en)	2000-09-11
SE9900143L (en)	2000-07-19

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Legal Events

Date	Code	Title	Description
2007-07-31	MA	Patent expired