FI914586L - Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning - Google Patents

Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning Download PDF

Info

Publication number: FI914586L
Authority: FI; Finland
Prior art keywords: pannanlaeggning; foerminskning; cellufabriks; asklasten; foerfarande foer
Prior art date: 1991-09-27

Application number

FI914586A

Other languages

English (en)

Other versions

FI914586A0 (fi

Inventor

Kaj Henricson

Anja Klarin

Original Assignee

Ahlstroem Oy

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.)

1991-09-27

Filing date

1991-09-27

Publication date

1993-03-28

1991-09-27 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1991-09-27 Priority to FI914586A priority Critical patent/FI914586L/fi

1991-09-27 Publication of FI914586A0 publication Critical patent/FI914586A0/fi

1992-09-11 Priority to US07/943,234 priority patent/US5328563A/en

1992-09-23 Priority to CA002078934A priority patent/CA2078934A1/en

1992-09-23 Priority to FR9211329A priority patent/FR2681883A1/fr

1992-09-24 Priority to PT100898A priority patent/PT100898A/pt

1992-09-25 Priority to SE9202780A priority patent/SE9202780L/

1992-09-25 Priority to JP4256997A priority patent/JPH06341082A/ja

1993-03-28 Publication of FI914586L publication Critical patent/FI914586L/fi

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
- D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
- D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/22—Alkali metal sulfides or polysulfides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/22—Alkali metal sulfides or polysulfides
- C01B17/24—Preparation by reduction
- C01B17/28—Preparation by reduction with reducing gases
- 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
- 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

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)

FI914586A 1991-09-27 1991-09-27 Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning FI914586L (fi)

Priority Applications (7)

Application Number	Priority Date	Filing Date	Title
FI914586A FI914586L (fi)	1991-09-27	1991-09-27	Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning
US07/943,234 US5328563A (en)	1991-09-27	1992-09-11	Method of treating material containing sodium sulphate and/or sodium carbonate in a pulp mill
CA002078934A CA2078934A1 (en)	1991-09-27	1992-09-23	Method of treating material containing sodium sulphate and/or sodium carbonate in a pulp mill
FR9211329A FR2681883A1 (fr)	1991-09-27	1992-09-23	Procede de traitement d'une cendre provenant de la fabrication de pate de cellulose.
PT100898A PT100898A (pt)	1991-09-27	1992-09-24	Processo para o tratamento de material contendo sulfato de sodio e/ou carbonato de sodio de um moinho de polpa
SE9202780A SE9202780L (sv)	1991-09-27	1992-09-25	Foerfarande foer behandling av material innehaallande natriumsulfat och/eller natriumkarbonat i en massafabrik
JP4256997A JPH06341082A (ja)	1991-09-27	1992-09-25	硫酸ナトリウム及び／又は炭酸ナトリウム含有物質の処理方法

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI914586A FI914586L (fi)	1991-09-27	1991-09-27	Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning

Publications (2)

Publication Number	Publication Date
FI914586A0 FI914586A0 (fi)	1991-09-27
FI914586L true FI914586L (fi)	1993-03-28

Family

ID=8533203

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI914586A FI914586L (fi)	1991-09-27	1991-09-27	Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning

Country Status (7)

Country	Link
US (1)	US5328563A (fi)
JP (1)	JPH06341082A (fi)
CA (1)	CA2078934A1 (fi)
FI (1)	FI914586L (fi)
FR (1)	FR2681883A1 (fi)
PT (1)	PT100898A (fi)
SE (1)	SE9202780L (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5853535A (en) *	1991-01-28	1998-12-29	Champion International Corporation	Process for manufacturing bleached pulp including recycling
US5938892A (en) *	1991-01-28	1999-08-17	Champion International Corporation	Process for recycling bleach plant filtrate
JP3143222B2 (ja) *	1992-08-21	2001-03-07	大王製紙株式会社	酸及びアルカリの製造方法
US6121541A (en) *	1997-07-28	2000-09-19	Bp Solarex	Monolithic multi-junction solar cells with amorphous silicon and CIS and their alloys
SE518735C2 (sv) *	1999-10-13	2002-11-12	Chemrec Ab	Förfarande och anordning vid utvinning av kemikalier i samband med förgasning av restprodukter från massaframställning
WO2002036517A2 (en) *	2000-11-06	2002-05-10	Institute Of Paper Science And Technology, Inc.	Fiber reinforced mineral-based materials and methods of making the same
FR2997941B1 (fr) *	2012-11-15	2023-03-03	Arkema France	Procede de preparation de sulfure de metal alcalin
FI126767B (fi) *	2012-11-16	2017-05-15	Andritz Oy	Menetelmä talteenottokattilan tuhkan uuttamiseksi

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI27748A (fi) *		1955-06-10	Sixten Hilding Lars Bergstroem	Förfaringssätt för ersättande av alkali- och svavelförluster vid sulfatcellulosaprocessen
US2106952A (en) *	1932-12-28	1938-02-01	Stikstofbindingsindustrie Nede	Process of producing anhydrous alkall metal sulphides
CH180398A (fr) *	1934-05-30	1935-10-31	Nede Stikstofbindingsindustrie	Procédé de fabrication de sulfure de sodium pratiquement pur et anhydre.
US2711430A (en) *	1950-06-27	1955-06-21	Svenska Cellulosaforeningens C	Method of improving the yield of methyl sulfide obtained by heating waste liquors fro cellulose manufacture by adding inorganic sulfides
US3236589A (en) *	1961-02-03	1966-02-22	Reinhall Rolf Bertil	Method of working up cellulose waste liquor containing sodium and sulfur
US3322492A (en) *	1964-07-31	1967-05-30	Little Inc A	Kraft black liquor recovery
US3762989A (en) *	1971-07-30	1973-10-02	St Regis Paper Co	Pyrolysis of spent pulping liquors
SE378119B (fi) *	1972-04-04	1975-08-18	Angpanneforeningen
US4439272A (en) *	1982-01-13	1984-03-27	Nguyen Xuan T	Pulp mill residual liquor recovery process
SE462106B (sv) *	1986-11-28	1990-05-07	Alf Ove Andersson	Saett att utvinna energi och kemikalier ur avlut fraan massaberedning
SE465039B (sv) *	1989-11-23	1991-07-15	Chemrec Ab	Saett att framstaella koklutar med hoeg sulfiditet foer sulfatmassakokning

1991
- 1991-09-27 FI FI914586A patent/FI914586L/fi not_active Application Discontinuation
1992
- 1992-09-11 US US07/943,234 patent/US5328563A/en not_active Expired - Fee Related
- 1992-09-23 CA CA002078934A patent/CA2078934A1/en not_active Abandoned
- 1992-09-23 FR FR9211329A patent/FR2681883A1/fr active Pending
- 1992-09-24 PT PT100898A patent/PT100898A/pt not_active Application Discontinuation
- 1992-09-25 JP JP4256997A patent/JPH06341082A/ja not_active Withdrawn
- 1992-09-25 SE SE9202780A patent/SE9202780L/ not_active Application Discontinuation

Also Published As

Publication number	Publication date
FR2681883A1 (fr)	1993-04-02
US5328563A (en)	1994-07-12
PT100898A (pt)	1993-10-29
CA2078934A1 (en)	1993-03-28
SE9202780L (sv)	1993-03-28
JPH06341082A (ja)	1994-12-13
FI914586A0 (fi)	1991-09-27
SE9202780D0 (sv)	1992-09-25

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Legal Events

Date	Code	Title	Description
1994-10-25	FD	Application lapsed