CA2144827C - Methode pour ajuster le rapport s/na dans une usine de pate au sulfate - Google Patents

Methode pour ajuster le rapport s/na dans une usine de pate au sulfate Download PDF

Info

Publication number: CA2144827C
Authority: CA; Canada
Prior art keywords: sulfur; power boiler; boiler; black liquor; gases
Prior art date: 1994-03-16
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.): Expired - Fee Related

Application number

CA002144827A

Other languages

English (en)

Other versions

CA2144827A1 (fr

Inventor

Paavo Hyoty

Kari Kuukkanen

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.)

Valmet Power Oy

Original Assignee

Kvaerner Power 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.)

1994-03-16

Filing date

1995-03-16

Publication date

2005-01-04

1995-03-16 Application filed by Kvaerner Power Oy filed Critical Kvaerner Power Oy

1995-09-17 Publication of CA2144827A1 publication Critical patent/CA2144827A1/fr

2005-01-04 Application granted granted Critical

2005-01-04 Publication of CA2144827C publication Critical patent/CA2144827C/fr

2015-03-16 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 32
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title claims abstract description 9
229910021653 sulphate ion Inorganic materials 0.000 title claims abstract description 9
239000007789 gas Substances 0.000 claims abstract description 29
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 22
239000000292 calcium oxide Substances 0.000 claims abstract description 22
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 22
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 20
239000011593 sulfur Substances 0.000 claims abstract description 20
229910052717 sulfur Inorganic materials 0.000 claims abstract description 20
235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 19
235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 19
239000004571 lime Substances 0.000 claims abstract description 19
238000011084 recovery Methods 0.000 claims abstract description 10
239000000126 substance Substances 0.000 claims abstract description 10
239000003546 flue gas Substances 0.000 claims description 21
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 10
150000003464 sulfur compounds Chemical class 0.000 claims description 10
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 7
229910052815 sulfur oxide Inorganic materials 0.000 claims description 7
238000011282 treatment Methods 0.000 claims description 6
239000000920 calcium hydroxide Substances 0.000 claims description 5
229910001861 calcium hydroxide Inorganic materials 0.000 claims description 5
GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 4
239000001175 calcium sulphate Substances 0.000 claims description 4
235000011132 calcium sulphate Nutrition 0.000 claims description 4
239000004295 calcium sulphite Substances 0.000 claims description 4
235000010261 calcium sulphite Nutrition 0.000 claims description 4
239000007795 chemical reaction product Substances 0.000 claims description 4
238000007669 thermal treatment Methods 0.000 claims description 4
230000001955 cumulated effect Effects 0.000 claims description 2
229940065278 sulfur compound Drugs 0.000 claims 2
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
238000001704 evaporation Methods 0.000 description 8
238000010411 cooking Methods 0.000 description 7
238000006477 desulfuration reaction Methods 0.000 description 7
230000008020 evaporation Effects 0.000 description 7
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
229910000019 calcium carbonate Inorganic materials 0.000 description 5
239000007787 solid Substances 0.000 description 4
239000002918 waste heat Substances 0.000 description 4
235000011116 calcium hydroxide Nutrition 0.000 description 3
238000010586 diagram Methods 0.000 description 3
239000000428 dust Substances 0.000 description 3
239000000463 material Substances 0.000 description 3
238000002156 mixing Methods 0.000 description 3
-1 that is Chemical compound 0.000 description 3
238000005406 washing Methods 0.000 description 3
239000002023 wood Substances 0.000 description 3
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
239000000446 fuel Substances 0.000 description 2
229920005610 lignin Polymers 0.000 description 2
239000011734 sodium Substances 0.000 description 2
DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
241001062472 Stokellia anisodon Species 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
238000001354 calcination Methods 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000012717 electrostatic precipitator Substances 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000000344 soap Substances 0.000 description 1
239000004289 sodium hydrogen sulphite Substances 0.000 description 1
235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
239000002699 waste material Substances 0.000 description 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
- D21C11/06—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

Landscapes

Paper (AREA)
Treating Waste Gases (AREA)

CA002144827A 1994-03-16 1995-03-16 Methode pour ajuster le rapport s/na dans une usine de pate au sulfate Expired - Fee Related CA2144827C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI941236A FI103532B (fi)	1994-03-16	1994-03-16	Menetelmä sulfaattisellutehtaan S/Na-suhteen säätämiseksi
FI941236		1994-03-16

Publications (2)

Publication Number	Publication Date
CA2144827A1 CA2144827A1 (fr)	1995-09-17
CA2144827C true CA2144827C (fr)	2005-01-04

Family

ID=8540327

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002144827A Expired - Fee Related CA2144827C (fr)	1994-03-16	1995-03-16	Methode pour ajuster le rapport s/na dans une usine de pate au sulfate

Country Status (3)

Country	Link
CA (1)	CA2144827C (fr)
FI (1)	FI103532B (fr)
SE (1)	SE515972C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7591988B2 (en)	2005-10-18	2009-09-22	Metso Power Oy	Method for processing flue gases

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI119915B2 (fi) *	2003-10-03	2011-06-15	Metsae Botnia Ab Oy	Rikin poisto sellutehtaan hajukaasuista

1994
- 1994-03-16 FI FI941236A patent/FI103532B/fi not_active IP Right Cessation
1995
- 1995-03-15 SE SE9500903A patent/SE515972C2/sv not_active IP Right Cessation
- 1995-03-16 CA CA002144827A patent/CA2144827C/fr not_active Expired - Fee Related

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7591988B2 (en)	2005-10-18	2009-09-22	Metso Power Oy	Method for processing flue gases

Also Published As

Publication number	Publication date
SE9500903L (sv)	1995-09-17
SE515972C2 (sv)	2001-11-05
SE9500903D0 (sv)	1995-03-15
CA2144827A1 (fr)	1995-09-17
FI941236A0 (fi)	1994-03-16
FI103532B1 (fi)	1999-07-15
FI103532B (fi)	1999-07-15
FI941236L (fi)	1995-09-17

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Legal Events

Date	Code	Title	Description
2001-12-05	EEER	Examination request
2013-04-29	MKLA	Lapsed	Effective date: 20130318