DE2501010A1 - Hydrometallurgisches verfahren zur gewinnung von kupfer - Google Patents
Hydrometallurgisches verfahren zur gewinnung von kupferInfo
- Publication number
- DE2501010A1 DE2501010A1 DE19752501010 DE2501010A DE2501010A1 DE 2501010 A1 DE2501010 A1 DE 2501010A1 DE 19752501010 DE19752501010 DE 19752501010 DE 2501010 A DE2501010 A DE 2501010A DE 2501010 A1 DE2501010 A1 DE 2501010A1
- Authority
- DE
- Germany
- Prior art keywords
- chloride
- copper
- solution
- iron
- stage
- 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.)
- Ceased
Links
- 238000000605 extraction Methods 0.000 title claims description 11
- 238000009854 hydrometallurgy Methods 0.000 title claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 85
- 239000010949 copper Substances 0.000 claims description 85
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 85
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 84
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 78
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 76
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 71
- 230000003647 oxidation Effects 0.000 claims description 59
- 238000007254 oxidation reaction Methods 0.000 claims description 59
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 58
- 230000009467 reduction Effects 0.000 claims description 58
- 230000008569 process Effects 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 42
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 39
- 239000011780 sodium chloride Substances 0.000 claims description 39
- 229910021592 Copper(II) chloride Inorganic materials 0.000 claims description 38
- 229910052742 iron Inorganic materials 0.000 claims description 38
- 239000001103 potassium chloride Substances 0.000 claims description 36
- 235000011164 potassium chloride Nutrition 0.000 claims description 36
- 238000011069 regeneration method Methods 0.000 claims description 34
- 230000008929 regeneration Effects 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 28
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 239000012141 concentrate Substances 0.000 claims description 24
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 21
- 238000005868 electrolysis reaction Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 20
- 238000000746 purification Methods 0.000 claims description 20
- 229910001510 metal chloride Inorganic materials 0.000 claims description 19
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052951 chalcopyrite Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052935 jarosite Inorganic materials 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 11
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 11
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 11
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 11
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000011591 potassium Substances 0.000 claims description 10
- 229910052700 potassium Inorganic materials 0.000 claims description 10
- 239000002244 precipitate Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 7
- 229960002089 ferrous chloride Drugs 0.000 claims description 7
- -1 sulphate ions Chemical class 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 150000001805 chlorine compounds Chemical class 0.000 claims description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 3
- 229910000358 iron sulfate Inorganic materials 0.000 claims description 2
- 239000005569 Iron sulphate Substances 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims 1
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229940045803 cuprous chloride Drugs 0.000 claims 1
- 238000000855 fermentation Methods 0.000 claims 1
- 230000004151 fermentation Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 46
- 238000006722 reduction reaction Methods 0.000 description 45
- 239000000460 chlorine Substances 0.000 description 16
- 239000007787 solid Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- 230000008901 benefit Effects 0.000 description 9
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000009835 boiling Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000009533 lab test Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 229960003280 cupric chloride Drugs 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010517 secondary reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910001414 potassium ion Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 230000007928 solubilization Effects 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical class [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- NJWYTAHMQKIIQQ-UHFFFAOYSA-N iron(3+);hydrate Chemical compound O.[Fe+3] NJWYTAHMQKIIQQ-UHFFFAOYSA-N 0.000 description 1
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229960002816 potassium chloride Drugs 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229960002668 sodium chloride Drugs 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0069—Leaching or slurrying with acids or salts thereof containing halogen
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrolytic Production Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US433208A US3879272A (en) | 1971-10-07 | 1974-01-14 | Hydrometallurgical process for the production of copper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2501010A1 true DE2501010A1 (de) | 1975-07-17 |
Family
ID=23719256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752501010 Ceased DE2501010A1 (de) | 1974-01-14 | 1975-01-13 | Hydrometallurgisches verfahren zur gewinnung von kupfer |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS50103415A (enrdf_load_stackoverflow) |
| AU (1) | AU475096B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1083524A (enrdf_load_stackoverflow) |
| DE (1) | DE2501010A1 (enrdf_load_stackoverflow) |
| FI (1) | FI65808C (enrdf_load_stackoverflow) |
| FR (1) | FR2257697B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1488260A (enrdf_load_stackoverflow) |
| PH (1) | PH12991A (enrdf_load_stackoverflow) |
| SE (1) | SE7500200L (enrdf_load_stackoverflow) |
| ZA (1) | ZA7586B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060182674A1 (en) * | 2005-02-02 | 2006-08-17 | Javier Jara | Reduction of copper content in the molybdenite concentrate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785944A (en) * | 1971-10-07 | 1974-01-15 | Duval Corp | Hydrometallurgical process for the production of copper |
| US3776826A (en) * | 1972-07-19 | 1973-12-04 | Du Pont | Electrolytic recovery of metal values from ore concentrates |
-
1974
- 1974-12-30 CA CA217,038A patent/CA1083524A/en not_active Expired
- 1974-12-31 AU AU76913/74A patent/AU475096B2/en not_active Expired
- 1974-12-31 GB GB56198/74A patent/GB1488260A/en not_active Expired
-
1975
- 1975-01-06 PH PH16678A patent/PH12991A/en unknown
- 1975-01-06 ZA ZA00750086A patent/ZA7586B/xx unknown
- 1975-01-09 SE SE7500200A patent/SE7500200L/ not_active Application Discontinuation
- 1975-01-13 DE DE19752501010 patent/DE2501010A1/de not_active Ceased
- 1975-01-13 FI FI750070A patent/FI65808C/fi not_active IP Right Cessation
- 1975-01-14 FR FR7500978A patent/FR2257697B1/fr not_active Expired
- 1975-01-14 JP JP50006928A patent/JPS50103415A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AU475096B2 (en) | 1976-08-12 |
| CA1083524A (en) | 1980-08-12 |
| SE7500200L (enrdf_load_stackoverflow) | 1975-07-15 |
| ZA7586B (en) | 1976-01-28 |
| JPS50103415A (enrdf_load_stackoverflow) | 1975-08-15 |
| PH12991A (en) | 1979-10-29 |
| FR2257697B1 (enrdf_load_stackoverflow) | 1978-06-23 |
| FI65808C (fi) | 1984-07-10 |
| FI750070A7 (enrdf_load_stackoverflow) | 1975-07-15 |
| FR2257697A1 (enrdf_load_stackoverflow) | 1975-08-08 |
| AU7691374A (en) | 1976-07-01 |
| GB1488260A (en) | 1977-10-12 |
| FI65808B (fi) | 1984-03-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8131 | Rejection |