ES255303A1 - Recovery of palladium from catalysts - Google Patents
Recovery of palladium from catalystsInfo
- Publication number
- ES255303A1 ES255303A1 ES0255303A ES255303A ES255303A1 ES 255303 A1 ES255303 A1 ES 255303A1 ES 0255303 A ES0255303 A ES 0255303A ES 255303 A ES255303 A ES 255303A ES 255303 A1 ES255303 A1 ES 255303A1
- Authority
- ES
- Spain
- Prior art keywords
- palladium
- hydrochloric acid
- give
- solution
- recovered
- 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.)
- Expired
Links
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 title abstract 36
- 229910052763 palladium Inorganic materials 0.000 title abstract 16
- 239000003054 catalyst Substances 0.000 title abstract 6
- 238000011084 recovery Methods 0.000 title 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 14
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 abstract 6
- 239000000706 filtrate Substances 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 abstract 4
- 239000002244 precipitate Substances 0.000 abstract 4
- 238000005406 washing Methods 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 239000000908 ammonium hydroxide Substances 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 abstract 2
- 239000001257 hydrogen Substances 0.000 abstract 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract 2
- 239000002198 insoluble material Substances 0.000 abstract 2
- 229910052749 magnesium Inorganic materials 0.000 abstract 2
- 239000011777 magnesium Substances 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 230000001376 precipitating effect Effects 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 239000008096 xylene Substances 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 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
- C22B11/042—Recovery of noble metals from waste materials
- C22B11/048—Recovery of noble metals from waste materials from spent catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- 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
- C22B11/06—Chloridising
-
- 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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Catalysts (AREA)
Abstract
Palladium is recovered from a deactivated catalyst by stripping the palladium from the support by slurrying with hydrochloric acid and passing chlorine gas in to form a palladium-containing solution, removing insoluble materials from the solution and precipitating palladium from the solution by the addition of a more electropositive metal, e.g. aluminium or magnesium. Prior to treatment the catalyst may be cleaned either by washing with an organic solvent, e.g. xylene followed by steam heating to remove the solvent or by heating in air, both steps being followed by washing with an alkaline reducing agent. The palladium recovered may be further purified by dissolving it in hydrochloric acid while passing chlorine gas in and filtering to removing insolubles. Ammonium hydroxide is then added to the filtrate and the mixture warmed to redissolve the palladium complex and give Pd(NH3)4 Cl2. Insolubles are again filtered off and the filtrate acidified with hydrochloric acid to give Pd(NH3)2 Cl2 as a precipitate. This precipitate is then either treated with hydrazine hydrate or heated in hydrogen to give pure palladium. The recovered or refined palladium may be dissolved in hydrochloric acid whilst passing gaseous chlorine through the mixture to give a solution of palladium chloride for the production of a catalyst by the methods described in Specifications 718,306, 746,385, 760,737 and 922,022. Specification 456,070 also is referred to.ALSO:Palladium is recovered from a deactivated catalyst by stripping the palladium from the support by slurrying with hydrochloric acid and passing chlorine gas in to form a palladium-containing solution, removing insoluble materials from the solution and precipitating palladium from the solution by the addition of a more electropositive metal, e.g. aluminium or magnesium. Prior to treatment the catalyst may be cleaned either by washing with an organic solvent, e.g. xylene, followed by steam heating to remove the solvent or by heating in air, both steps being followed by washing with an alkaline reducing agent. The palladium recovered may be further purified by dissolving it in hydrochloric acid while passing chlorine gas in and filtering to removing insolubles. Ammonium hydroxide is then added to the filtrate and the mixture warmed to redissolve the palladium complex and give Pd(NH3)4Cl2. Insolubles are again filtered off and the filtrate acidified with hydrochloric acid to give Pd(NH3)2Cl2 as a precipitate. This precipitate is then either treated with hydrazine hydrate or heated in hydrogen to give pure palladium. Specifications 456,070, 718,306, 746,385, 760,737 and 922,022 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB243259A GB922021A (en) | 1959-01-22 | 1959-01-22 | Recovery of palladium from catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES255303A1 true ES255303A1 (en) | 1960-04-16 |
Family
ID=9739483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0255303A Expired ES255303A1 (en) | 1959-01-22 | 1960-01-26 | Recovery of palladium from catalysts |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES255303A1 (en) |
| GB (1) | GB922021A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6115986A (en) * | 1985-08-29 | 1987-03-05 | 296388 B.C. Ltd. | Recovery of precious metals (esp. silver) by cementation fromsolution with magnesium particles |
| BR0013487B1 (en) | 1999-08-24 | 2010-10-05 | regeneration process of platinum group metal suspension catalysts. | |
| BE1017974A3 (en) * | 2008-01-30 | 2010-02-02 | Variabel Daniel | METHOD FOR THE VALORISATION OF USUAL AND / OR DEFECTIVE CATALYTIC SUPPORT ELEMENTS |
| CN102994771B (en) * | 2011-09-13 | 2014-03-26 | 郴州市金贵银业股份有限公司 | Method for extracting palladium sponge from silver electrolysis anode slime parting liquid |
| US10017837B2 (en) * | 2014-10-22 | 2018-07-10 | Chevron U.S.A. Inc. | Metallurgical extraction technique to recover platinum group metals from a filter cake |
| CN110964917A (en) * | 2018-09-28 | 2020-04-07 | 荆门市格林美新材料有限公司 | Palladium refining process |
| CN110964921A (en) * | 2018-09-28 | 2020-04-07 | 荆门市格林美新材料有限公司 | Production method of refined palladium |
-
1959
- 1959-01-22 GB GB243259A patent/GB922021A/en not_active Expired
-
1960
- 1960-01-26 ES ES0255303A patent/ES255303A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB922021A (en) | 1963-03-27 |
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