CZ337391A3 - Spdsob odstraňovania zložiek šesťmocného chró mu v odpadových práškových materiáloch - Google Patents
Spdsob odstraňovania zložiek šesťmocného chró mu v odpadových práškových materiáloch Download PDFInfo
- Publication number
- CZ337391A3 CZ337391A3 CS913373A CS337391A CZ337391A3 CZ 337391 A3 CZ337391 A3 CZ 337391A3 CS 913373 A CS913373 A CS 913373A CS 337391 A CS337391 A CS 337391A CZ 337391 A3 CZ337391 A3 CZ 337391A3
- Authority
- CZ
- Czechia
- Prior art keywords
- hexavalent chromium
- sulfur dioxide
- waste
- removing components
- pulverized materials
- Prior art date
Links
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 18
- 239000002699 waste material Substances 0.000 title claims description 11
- 230000008569 process Effects 0.000 title claims description 8
- 239000000463 material Substances 0.000 title claims description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- 239000002803 fossil fuel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims description 2
- 239000007900 aqueous suspension Substances 0.000 abstract description 2
- 239000002893 slag Substances 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- 230000009467 reduction Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 235000012245 magnesium oxide Nutrition 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 239000004566 building material Substances 0.000 description 3
- 235000012241 calcium silicate Nutrition 0.000 description 3
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 3
- 229910052918 calcium silicate Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000604 Ferrochrome Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052599 brucite Inorganic materials 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229940061634 magnesium sulfate heptahydrate Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Riešenie spočívá v tom, že do vodnej suspenzie rozpadávej
trosky sa zavádza oxid siřičitý, připadne jeho zmes s inými
plynmi a tým dochádza k redukcii šesťmocného chrómu na
trojmocnú formu.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS913373A CZ337391A3 (cs) | 1991-11-07 | 1991-11-07 | Spdsob odstraňovania zložiek šesťmocného chró mu v odpadových práškových materiáloch |
| SK337391A SK337391A3 (sk) | 1991-11-07 | 1991-11-07 | Spôsob odstraňovania zložiek šesťmocného chrô-mu v odpadových práškových materiáloch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS913373A CZ337391A3 (cs) | 1991-11-07 | 1991-11-07 | Spdsob odstraňovania zložiek šesťmocného chró mu v odpadových práškových materiáloch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CZ337391A3 true CZ337391A3 (cs) | 1993-05-12 |
Family
ID=5373593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS913373A CZ337391A3 (cs) | 1991-11-07 | 1991-11-07 | Spdsob odstraňovania zložiek šesťmocného chró mu v odpadových práškových materiáloch |
Country Status (2)
| Country | Link |
|---|---|
| CZ (1) | CZ337391A3 (cs) |
| SK (1) | SK337391A3 (cs) |
-
1991
- 1991-11-07 SK SK337391A patent/SK337391A3/sk unknown
- 1991-11-07 CZ CS913373A patent/CZ337391A3/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SK337391A3 (sk) | 1994-12-07 |
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