JPS56160331A - Recovering method for platinum group metal from used catalyst - Google Patents
Recovering method for platinum group metal from used catalystInfo
- Publication number
- JPS56160331A JPS56160331A JP6244480A JP6244480A JPS56160331A JP S56160331 A JPS56160331 A JP S56160331A JP 6244480 A JP6244480 A JP 6244480A JP 6244480 A JP6244480 A JP 6244480A JP S56160331 A JPS56160331 A JP S56160331A
- Authority
- JP
- Japan
- Prior art keywords
- group metal
- salt
- gaseous chlorine
- catalyst
- aqueous solvent
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title abstract 7
- 239000002184 metal Substances 0.000 title abstract 7
- 239000003054 catalyst Substances 0.000 title abstract 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title 1
- 150000003839 salts Chemical class 0.000 abstract 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 5
- 229910052801 chlorine Inorganic materials 0.000 abstract 5
- 239000000460 chlorine Substances 0.000 abstract 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000003513 alkali Substances 0.000 abstract 3
- 239000003125 aqueous solvent Substances 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- -1 NaOH or NaCl Chemical class 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052741 iridium Inorganic materials 0.000 abstract 1
- 229910052762 osmium Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052697 platinum Inorganic materials 0.000 abstract 1
- 229910052703 rhodium Inorganic materials 0.000 abstract 1
- 229910052707 ruthenium Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- 238000005979 thermal decomposition reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
PURPOSE: To recover a Pt group metal from a used catalyst in a high yield by converting the metal into its water-soluble salt by reaction with an alkali metallic salt and gaseous chlorine with heating after which the salt is cooled in a flow of gaseous chlorine and extracted with an aqueous solvent.
CONSTITUTION: When Pt group metal such as Ru, Rh, Pd, Os, Ir or Pt is recovered from a catalyst having the metal supported on a carrier such as alumina or silica, the catalyst is impregnated with a soln. of an alkali metallic salt such as NaOH or NaCl, dried and heated to ≥500°C in a gaseous chlorine atmosphere to convert the Pt group metal into its salt soluble in an aqueous solvent by reaction with the alkali metallic salt and gaseous chlorine. In order to prevent thermal decomposition, the soluble salt is cooled to ≤400°C in a gaseous chlorine atmosphere, and then it is extracted with an aqueous solvent such as hydrochloric acid, aqua regia or water to recover the Pt group metal in a high yield.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6244480A JPS56160331A (en) | 1980-05-12 | 1980-05-12 | Recovering method for platinum group metal from used catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6244480A JPS56160331A (en) | 1980-05-12 | 1980-05-12 | Recovering method for platinum group metal from used catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56160331A true JPS56160331A (en) | 1981-12-10 |
| JPS6259056B2 JPS6259056B2 (en) | 1987-12-09 |
Family
ID=13200378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6244480A Granted JPS56160331A (en) | 1980-05-12 | 1980-05-12 | Recovering method for platinum group metal from used catalyst |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56160331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58194745A (en) * | 1982-05-06 | 1983-11-12 | Tanaka Kikinzoku Kogyo Kk | Recovery of ruthenium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6385262U (en) * | 1986-11-26 | 1988-06-03 | ||
| JPH0475564U (en) * | 1990-11-13 | 1992-07-01 |
-
1980
- 1980-05-12 JP JP6244480A patent/JPS56160331A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58194745A (en) * | 1982-05-06 | 1983-11-12 | Tanaka Kikinzoku Kogyo Kk | Recovery of ruthenium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6259056B2 (en) | 1987-12-09 |
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