WO2004076697A8 - Extraction of metals with diquaternary amines - Google Patents
Extraction of metals with diquaternary aminesInfo
- Publication number
- WO2004076697A8 WO2004076697A8 PCT/US2003/005444 US0305444W WO2004076697A8 WO 2004076697 A8 WO2004076697 A8 WO 2004076697A8 US 0305444 W US0305444 W US 0305444W WO 2004076697 A8 WO2004076697 A8 WO 2004076697A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- diquaternary
- aqueous solution
- solution
- amines
- organic
- Prior art date
Links
- 150000001412 amines Chemical group 0.000 title abstract 7
- 229910052751 metal Inorganic materials 0.000 title abstract 5
- 239000002184 metal Substances 0.000 title abstract 5
- 238000000605 extraction Methods 0.000 title abstract 2
- 150000002739 metals Chemical class 0.000 title 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 5
- 239000007864 aqueous solution Substances 0.000 abstract 5
- 239000000243 solution Substances 0.000 abstract 5
- 150000001450 anions Chemical class 0.000 abstract 4
- 229910052763 palladium Inorganic materials 0.000 abstract 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 239000003929 acidic solution Substances 0.000 abstract 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- -1 palladium ions Chemical class 0.000 abstract 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
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- 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
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/28—Amines
- C22B3/288—Quaternary ammonium
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Selective extraction of one or more metal anions from an aqueous solution, by contacting the aqueous solution with an organic solution including a diquaternary amine, wherein the diquaternary amine has two diquaternary nitrogens spaced at a distance of less than about 10 Å, selectively binding the metal anions to the diquaternary amine, and then separating the organic solution from the aqueous solution, wherein the diquaternary amines having the selectively bound metal anions are concentrated in the organic solution. Alternatively, the diquaternary amines may be adsorbed or chemically bonded to a solid, and the metal anion-containing aqueous solution passed over the solid having the diquaternary amines. Palladium may be selectively extracted by contacting the acidic solution with an iodide and an organic solvent, allowing the palladium to bind to the iodide, and then separating the organic solution from the aqueous solution, concentrating the bound palladium ions in the organic solution.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003224621A AU2003224621A1 (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
| GB0519167A GB2415190A (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
| PCT/US2003/005444 WO2004076697A1 (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
| CA 2524808 CA2524808A1 (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
| EP20030721298 EP1618220A1 (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2003/005444 WO2004076697A1 (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2004076697A1 WO2004076697A1 (en) | 2004-09-10 |
| WO2004076697A8 true WO2004076697A8 (en) | 2005-06-02 |
Family
ID=32925334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US2003/005444 WO2004076697A1 (en) | 2003-02-24 | 2003-02-24 | Extraction of metals with diquaternary amines |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1618220A1 (en) |
| AU (1) | AU2003224621A1 (en) |
| CA (1) | CA2524808A1 (en) |
| GB (1) | GB2415190A (en) |
| WO (1) | WO2004076697A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO65776A2 (en) * | 1974-10-02 | 1978-12-15 | Combinatul Petrochimic | PROCESS FOR THE RECOVERY OF PALLADIUM OF US CATALYSTS DISPOSED ON ALUMINUM SUPPORT |
| ZA806992B (en) * | 1979-11-13 | 1981-10-28 | Johannesburg Cons Invest | Organic diammonium and related compounds as solvent extractants |
| JPS58174532A (en) * | 1982-04-05 | 1983-10-13 | Tanaka Kikinzoku Kogyo Kk | Recovery of palladium or noble metal mixed in palladium |
| JPS59179724A (en) * | 1983-03-29 | 1984-10-12 | Tanaka Kikinzoku Kogyo Kk | Separation of platinum metal from gold |
| CN1053017C (en) * | 1994-05-05 | 2000-05-31 | 兰州大学 | Method for extracting palladium metal |
| JPH108155A (en) * | 1996-06-19 | 1998-01-13 | Hiroyuki Nakazawa | Method for recovering palladium |
-
2003
- 2003-02-24 AU AU2003224621A patent/AU2003224621A1/en not_active Abandoned
- 2003-02-24 EP EP20030721298 patent/EP1618220A1/en not_active Withdrawn
- 2003-02-24 CA CA 2524808 patent/CA2524808A1/en not_active Abandoned
- 2003-02-24 WO PCT/US2003/005444 patent/WO2004076697A1/en not_active Application Discontinuation
- 2003-02-24 GB GB0519167A patent/GB2415190A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003224621A1 (en) | 2004-09-17 |
| EP1618220A1 (en) | 2006-01-25 |
| WO2004076697A1 (en) | 2004-09-10 |
| CA2524808A1 (en) | 2004-09-10 |
| GB0519167D0 (en) | 2005-10-26 |
| GB2415190A (en) | 2005-12-21 |
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