CA2017577A1 - Traitement et elimination des poussieres toxiques de chrome - Google Patents
Traitement et elimination des poussieres toxiques de chromeInfo
- Publication number
- CA2017577A1 CA2017577A1 CA 2017577 CA2017577A CA2017577A1 CA 2017577 A1 CA2017577 A1 CA 2017577A1 CA 2017577 CA2017577 CA 2017577 CA 2017577 A CA2017577 A CA 2017577A CA 2017577 A1 CA2017577 A1 CA 2017577A1
- Authority
- CA
- Canada
- Prior art keywords
- dust
- electric arc
- furnace
- containers
- hexavalent chromium
- 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.)
- Abandoned
Links
- 239000000428 dust Substances 0.000 title claims abstract description 60
- 239000011651 chromium Substances 0.000 title claims abstract description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 10
- 231100000331 toxic Toxicity 0.000 title abstract description 5
- 230000002588 toxic effect Effects 0.000 title abstract description 5
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000010891 electric arc Methods 0.000 claims abstract description 18
- 238000003723 Smelting Methods 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 18
- -1 polyethylene Polymers 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 241001062472 Stokellia anisodon Species 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 239000010891 toxic waste Substances 0.000 abstract description 8
- 231100000252 nontoxic Toxicity 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 3
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 8
- 239000012716 precipitator Substances 0.000 description 4
- NACUKFIFISCLOQ-UHFFFAOYSA-N [Mg].[Cr] Chemical compound [Mg].[Cr] NACUKFIFISCLOQ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 235000014380 magnesium carbonate Nutrition 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 150000001845 chromium compounds Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- MFJNMOFNZSZVAP-UHFFFAOYSA-N magnesium chromium(3+) oxygen(2-) Chemical class [O-2].[Mg+2].[Cr+3] MFJNMOFNZSZVAP-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2017577 CA2017577A1 (fr) | 1990-05-25 | 1990-05-25 | Traitement et elimination des poussieres toxiques de chrome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2017577 CA2017577A1 (fr) | 1990-05-25 | 1990-05-25 | Traitement et elimination des poussieres toxiques de chrome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2017577A1 true CA2017577A1 (fr) | 1991-11-25 |
Family
ID=4145067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2017577 Abandoned CA2017577A1 (fr) | 1990-05-25 | 1990-05-25 | Traitement et elimination des poussieres toxiques de chrome |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2017577A1 (fr) |
-
1990
- 1990-05-25 CA CA 2017577 patent/CA2017577A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |