SU295385A1 - - Google Patents
Info
- Publication number
- SU295385A1 SU295385A1 SU1254180A SU1254180A SU295385A1 SU 295385 A1 SU295385 A1 SU 295385A1 SU 1254180 A SU1254180 A SU 1254180A SU 1254180 A SU1254180 A SU 1254180A SU 295385 A1 SU295385 A1 SU 295385A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- selenium
- coal
- sulfuric acid
- acid
- treated
- Prior art date
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 10
- 239000003245 coal Substances 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 229910052711 selenium Inorganic materials 0.000 description 9
- 239000011669 selenium Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 239000002253 acid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 229940065287 selenium compound Drugs 0.000 description 3
- 150000003343 selenium compounds Chemical class 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MBLUWALPEKUVHJ-UHFFFAOYSA-N [Se].[C] Chemical compound [Se].[C] MBLUWALPEKUVHJ-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1254180A SU295385A1 (2) | 1968-07-05 | 1968-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1254180A SU295385A1 (2) | 1968-07-05 | 1968-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU295385A1 true SU295385A1 (2) | 1974-05-05 |
Family
ID=20442886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1254180A SU295385A1 (2) | 1968-07-05 | 1968-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU295385A1 (2) |
-
1968
- 1968-07-05 SU SU1254180A patent/SU295385A1/ru active
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