ES2019824A6 - Process for preparing a concentrated solution of sodium sulphite and sulphate originating, in particular, from flue gas desulphurisation - Google Patents
Process for preparing a concentrated solution of sodium sulphite and sulphate originating, in particular, from flue gas desulphurisationInfo
- Publication number
- ES2019824A6 ES2019824A6 ES9001119A ES9001119A ES2019824A6 ES 2019824 A6 ES2019824 A6 ES 2019824A6 ES 9001119 A ES9001119 A ES 9001119A ES 9001119 A ES9001119 A ES 9001119A ES 2019824 A6 ES2019824 A6 ES 2019824A6
- Authority
- ES
- Spain
- Prior art keywords
- preparing
- flue gas
- concentrated solution
- sodium sulphite
- gas desulphurisation
- Prior art date
- 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 - Lifetime
Links
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 title abstract 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 title abstract 2
- 239000003546 flue gas Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- PMZURENOXWZQFD-UHFFFAOYSA-L sodium sulphate Substances [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 title abstract 2
- 235000011152 sodium sulphate Nutrition 0.000 title abstract 2
- 235000010265 sodium sulphite Nutrition 0.000 title abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 title abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 2
- 239000000920 calcium hydroxide Substances 0.000 abstract 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 2
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 2
- 239000010440 gypsum Substances 0.000 abstract 2
- 229910052602 gypsum Inorganic materials 0.000 abstract 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 235000019738 Limestone Nutrition 0.000 abstract 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 abstract 1
- 239000006028 limestone Substances 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
- C01F11/464—Sulfates of Ca from gases containing sulfur oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
- C01D3/06—Preparation by working up brines; seawater or spent lyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Treating Waste Gases (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to a process for preparing a concentrated solution of sodium sulphite and sulphate (product liquor) originating, in particular, from flue gas desulphurisation. The characterising feature of the invention is that the product liquor is mixed with HCl-containing cooling water, the SO2 component is reacted in a manner known per se with limestone (CaCO3) or lime (CaO) to give processable gypsum (CaSO4.2H2O) and the HCl and NaSO4 components are reacted with slaked lime (Ca(OH)2) to give NaCl and gypsum.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3910130A DE3910130C3 (en) | 1989-03-29 | 1989-03-29 | Process for the preparation of concentrated solutions of sodium sulfite and sodium sulfate originating from flue gas desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2019824A6 true ES2019824A6 (en) | 1991-07-01 |
Family
ID=6377373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES9001119A Expired - Lifetime ES2019824A6 (en) | 1989-03-29 | 1990-03-28 | Process for preparing a concentrated solution of sodium sulphite and sulphate originating, in particular, from flue gas desulphurisation |
Country Status (6)
| Country | Link |
|---|---|
| CZ (1) | CZ283577B6 (en) |
| DE (1) | DE3910130C3 (en) |
| ES (1) | ES2019824A6 (en) |
| IT (1) | IT1239442B (en) |
| RU (1) | RU2049063C1 (en) |
| SK (1) | SK154890A3 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607357C1 (en) * | 1986-03-06 | 1987-05-07 | Babcock Anlagen Ag | Process for cleaning flue gases containing SO2 |
-
1989
- 1989-03-29 DE DE3910130A patent/DE3910130C3/en not_active Expired - Fee Related
-
1990
- 1990-03-28 ES ES9001119A patent/ES2019824A6/en not_active Expired - Lifetime
- 1990-03-28 IT IT47796A patent/IT1239442B/en active IP Right Grant
- 1990-03-29 RU SU904743537A patent/RU2049063C1/en active
- 1990-03-29 SK SK1548-90A patent/SK154890A3/en unknown
- 1990-03-29 CZ CS901548A patent/CZ283577B6/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3910130C2 (en) | 1991-01-03 |
| DE3910130C3 (en) | 1995-02-09 |
| CZ154890A3 (en) | 1998-02-18 |
| IT9047796A1 (en) | 1991-09-28 |
| RU2049063C1 (en) | 1995-11-27 |
| IT1239442B (en) | 1993-11-02 |
| SK279928B6 (en) | 1999-05-07 |
| IT9047796A0 (en) | 1990-03-28 |
| SK154890A3 (en) | 1999-05-07 |
| CZ283577B6 (en) | 1998-05-13 |
| DE3910130A1 (en) | 1990-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 20010604 |