CA1241534A - Preparation de composes pouvant entrer dans la fabrication de dithionite de sodium, et application de ces composes - Google Patents
Preparation de composes pouvant entrer dans la fabrication de dithionite de sodium, et application de ces composesInfo
- Publication number
- CA1241534A CA1241534A CA000481106A CA481106A CA1241534A CA 1241534 A CA1241534 A CA 1241534A CA 000481106 A CA000481106 A CA 000481106A CA 481106 A CA481106 A CA 481106A CA 1241534 A CA1241534 A CA 1241534A
- Authority
- CA
- Canada
- Prior art keywords
- sulphur dioxide
- sodium
- ratio
- sodium oxide
- mixture
- 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
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 26
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 18
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 142
- 239000004291 sulphur dioxide Substances 0.000 claims abstract description 53
- 235000010269 sulphur dioxide Nutrition 0.000 claims abstract description 53
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 229910001948 sodium oxide Inorganic materials 0.000 claims abstract description 14
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 230000003134 recirculating effect Effects 0.000 claims abstract description 9
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000011369 resultant mixture Substances 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 20
- WQDSRJBTLILEEK-UHFFFAOYSA-N sulfurous acid Chemical compound OS(O)=O.OS(O)=O WQDSRJBTLILEEK-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 229940124024 weight reducing agent Drugs 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000012279 sodium borohydride Substances 0.000 description 3
- 229910000033 sodium borohydride Inorganic materials 0.000 description 3
- VYKVQJFOZDGJLN-UHFFFAOYSA-M sodium hydrogen sulfite sulfurous acid Chemical compound [Na+].OS(O)=O.OS([O-])=O VYKVQJFOZDGJLN-UHFFFAOYSA-M 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- XQIMLPCOVYNASM-UHFFFAOYSA-N borole Chemical compound B1C=CC=C1 XQIMLPCOVYNASM-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000481106A CA1241534A (fr) | 1985-05-08 | 1985-05-08 | Preparation de composes pouvant entrer dans la fabrication de dithionite de sodium, et application de ces composes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000481106A CA1241534A (fr) | 1985-05-08 | 1985-05-08 | Preparation de composes pouvant entrer dans la fabrication de dithionite de sodium, et application de ces composes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1241534A true CA1241534A (fr) | 1988-09-06 |
Family
ID=4130458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000481106A Expired CA1241534A (fr) | 1985-05-08 | 1985-05-08 | Preparation de composes pouvant entrer dans la fabrication de dithionite de sodium, et application de ces composes |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1241534A (fr) |
-
1985
- 1985-05-08 CA CA000481106A patent/CA1241534A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |