SE9302497L - Kristallisering av grönlut - Google Patents

Kristallisering av grönlut

Info

Publication number: SE9302497L
Authority: SE; Sweden
Prior art keywords: liquor; produce; green liquor; sulfidity; sulfur
Prior art date: 1992-07-27

Application number

SE9302497A

Other languages

English (en)

Swedish (sv)

Other versions

SE9302497D0 (sv

Inventor

Johan Gullichsen

Joseph R Phillips

Brian F Greenwood

Jan T Richardsen

J Wayne Chamblee

Tuomo Nykaenen

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.)

1992-07-27

Filing date

1993-07-26

Publication date

1994-01-28

1993-07-26 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1993-07-26 Publication of SE9302497D0 publication Critical patent/SE9302497D0/xx

1994-01-28 Publication of SE9302497L publication Critical patent/SE9302497L/xx

Links

238000002425 crystallisation Methods 0.000 title 1
230000008025 crystallization Effects 0.000 title 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
239000013078 crystal Substances 0.000 abstract 3
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
239000001913 cellulose Substances 0.000 abstract 2
229920002678 cellulose Polymers 0.000 abstract 2
238000010438 heat treatment Methods 0.000 abstract 2
238000004537 pulping Methods 0.000 abstract 2
238000011084 recovery Methods 0.000 abstract 2
239000000126 substance Substances 0.000 abstract 2
XYQRXRFVKUPBQN-UHFFFAOYSA-L Sodium carbonate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]C([O-])=O XYQRXRFVKUPBQN-UHFFFAOYSA-L 0.000 abstract 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
239000007844 bleaching agent Substances 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
150000004682 monohydrates Chemical class 0.000 abstract 1
238000012216 screening Methods 0.000 abstract 1
238000005201 scrubbing Methods 0.000 abstract 1
229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 abstract 1
239000011593 sulfur Substances 0.000 abstract 1
229910052717 sulfur Inorganic materials 0.000 abstract 1
150000003464 sulfur compounds Chemical class 0.000 abstract 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye

Landscapes

Paper (AREA)

SE9302497A 1992-07-27 1993-07-26 Kristallisering av grönlut SE9302497L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US91885592A	1992-07-27	1992-07-27

Publications (2)

Publication Number	Publication Date
SE9302497D0 SE9302497D0 (sv)	1993-07-26
SE9302497L true SE9302497L (sv)	1994-01-28

Family

ID=25441076

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9302497A SE9302497L (sv)	1992-07-27	1993-07-26	Kristallisering av grönlut

Country Status (4)

Country	Link
JP (1)	JP2986137B2 (fr)
CA (1)	CA2101005A1 (fr)
FI (1)	FI933297A7 (fr)
SE (1)	SE9302497L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE540646C2 (en) *	2016-09-08	2018-10-09	Suncarbon Ab	Method and system for treating spent pulping liquor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI55065C (fi) *	1971-07-30	1979-05-10	St Regis Paper Co	Foerfarande foer tillvaratagande av talloljetvaolar ur avlutloesningar
FI53728C (fi) *	1974-03-12	1978-07-10	Ahlstroem Oy	Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
JPS51116205A (en) *	1975-04-02	1976-10-13	Ahlstroem Oy	Method of recovering natrium chloride discharged from related process by cellulose manufacture
FI52230C (fi) *	1975-08-26	1977-07-11	Keskuslaboratorio	Menetelmä liukosellun valmistamiseksi.

1993
- 1993-07-21 CA CA002101005A patent/CA2101005A1/fr not_active Abandoned
- 1993-07-21 JP JP5179555A patent/JP2986137B2/ja not_active Expired - Lifetime
- 1993-07-22 FI FI933297A patent/FI933297A7/fi unknown
- 1993-07-26 SE SE9302497A patent/SE9302497L/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPH06173184A (ja)	1994-06-21
SE9302497D0 (sv)	1993-07-26
FI933297A0 (fi)	1993-07-22
CA2101005A1 (fr)	1994-01-28
FI933297A7 (fi)	1994-01-28
JP2986137B2 (ja)	1999-12-06

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Legal Events

Date

Code

Title

Description

2002-02-26

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