AU4503493A - Method for filtering a product formed in causticization - Google Patents

Method for filtering a product formed in causticization

Info

Publication number: AU4503493A
Authority: AU; Australia
Prior art keywords: causticization; filtering; product formed; product
Prior art date: 1992-07-07
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.): Abandoned

Application number

AU45034/93A

Inventor

Pertti Heitto

Jaakko-Juhani Helsto

Nuutti Vartiainen

Timo Vartiainen

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.)

Metso Finland Oy

Original Assignee

Larox Oyj

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.)

1992-07-07

Filing date

1993-07-06

Publication date

1994-01-31

1993-07-06 Application filed by Larox Oyj filed Critical Larox Oyj

1994-01-31 Publication of AU4503493A publication Critical patent/AU4503493A/en

Status Abandoned legal-status Critical Current

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
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

AU45034/93A 1992-07-07 1993-07-06 Method for filtering a product formed in causticization Abandoned AU4503493A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FI923127A FI93752C (en)	1992-07-07	1992-07-07	Method of separating product formed in causticization
FI923127		1992-07-07
PCT/FI1993/000287 WO1994001617A1 (en)	1992-07-07	1993-07-06	Method for filtering a product formed in causticization

Publications (1)

Publication Number	Publication Date
AU4503493A true AU4503493A (en)	1994-01-31

Family

ID=8535586

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU45034/93A Abandoned AU4503493A (en)	1992-07-07	1993-07-06	Method for filtering a product formed in causticization

Country Status (6)

Country	Link
JP (1)	JPH07508564A (en)
AU (1)	AU4503493A (en)
CA (1)	CA2139766A1 (en)
FI (1)	FI93752C (en)
SE (1)	SE9404557L (en)
WO (1)	WO1994001617A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI105933B (en) *	1995-12-20	2000-10-31	Larox Ag	A process for preparing white liquor
AT514010B1 (en) *	2013-02-26	2015-02-15	Mondi Ag	Process for causticizing green liquor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1010296A (en) *	1961-08-25	1965-11-17	Eimco Corp	Improvements in or relating to aqueous caustic soda production
SE463771C (en) *	1985-05-02	1999-07-12	Caustec Ab	Apparatus and method for separating white liquor, mesa and possibly sludge using a rotating disk filter
SE451948B (en) *	1985-05-02	1987-11-09	Hedemora Ab	FILTER FOR CONTINUOUS FILTERING UNDER PRESSURE OF A SUSPENSION

1992
- 1992-07-07 FI FI923127A patent/FI93752C/en active
1993
- 1993-07-06 WO PCT/FI1993/000287 patent/WO1994001617A1/en active Application Filing
- 1993-07-06 AU AU45034/93A patent/AU4503493A/en not_active Abandoned
- 1993-07-06 CA CA002139766A patent/CA2139766A1/en not_active Abandoned
- 1993-07-06 JP JP6502999A patent/JPH07508564A/en active Pending
1994
- 1994-12-29 SE SE9404557A patent/SE9404557L/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
FI93752B (en)	1995-02-15
JPH07508564A (en)	1995-09-21
WO1994001617A1 (en)	1994-01-20
FI93752C (en)	1995-06-12
FI923127A0 (en)	1992-07-07
FI923127A (en)	1994-01-08
SE9404557D0 (en)	1994-12-29
CA2139766A1 (en)	1994-01-20
SE9404557L (en)	1994-12-29

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