RO83537B1 - Procedeu de separare a spongiei de platina-rodiu din site de catalizatori uzati - Google Patents
Procedeu de separare a spongiei de platina-rodiu din site de catalizatori uzatiInfo
- Publication number
- RO83537B1 RO83537B1 RO10761382A RO10761382A RO83537B1 RO 83537 B1 RO83537 B1 RO 83537B1 RO 10761382 A RO10761382 A RO 10761382A RO 10761382 A RO10761382 A RO 10761382A RO 83537 B1 RO83537 B1 RO 83537B1
- Authority
- RO
- Romania
- Prior art keywords
- platinum
- separating
- porous material
- spent catalysts
- sieves made
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 title 1
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 title 1
- 239000011148 porous material Substances 0.000 title 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- 229910018967 Pt—Rh Inorganic materials 0.000 abstract 3
- FUSNOPLQVRUIIM-UHFFFAOYSA-N 4-amino-2-(4,4-dimethyl-2-oxoimidazolidin-1-yl)-n-[3-(trifluoromethyl)phenyl]pyrimidine-5-carboxamide Chemical compound O=C1NC(C)(C)CN1C(N=C1N)=NC=C1C(=O)NC1=CC=CC(C(F)(F)F)=C1 FUSNOPLQVRUIIM-UHFFFAOYSA-N 0.000 abstract 2
- 229910000377 hydrazine sulfate Inorganic materials 0.000 abstract 2
- 239000012493 hydrazine sulfate Substances 0.000 abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- 239000012300 argon atmosphere Substances 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 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
- Catalysts (AREA)
Abstract
Structura prefabricata, pentru elevatia infrastructurilor la cladiri de locuinte, este alcatuita din elemente prefabricate, spatiale, formate din una doua sau trei laturi perpendiculare rigidizate cu vute ce se monteaza pe un strat de egalizare prinintermediul unor dispozitiveInventia se refera la un procedeu care, în scopul optimizarii si al scurtarii fluxului tehnologic, efectueaza precipitarea negrurilor de Pt-Rh, în efluentul rezultat dupa retinerea prin schimb ionic a elementelor comune, ca sulfat de hidrazina, în prezenta de carbonat de sodiu, adaugate în proportie de 1,5 g sulfat de hidrazina si 3 g carbonat de sodiu pentru 1g Pt-Rh si calcinarea negrurii de Pt-Rh astfel obtinute, în atmosfera de argon, pentru obtinerea spongiei respective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO10761382A RO83537B1 (ro) | 1982-05-21 | 1982-05-21 | Procedeu de separare a spongiei de platina-rodiu din site de catalizatori uzati |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO10761382A RO83537B1 (ro) | 1982-05-21 | 1982-05-21 | Procedeu de separare a spongiei de platina-rodiu din site de catalizatori uzati |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83537A2 RO83537A2 (ro) | 1984-04-02 |
| RO83537B1 true RO83537B1 (ro) | 1984-04-30 |
Family
ID=20111558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO10761382A RO83537B1 (ro) | 1982-05-21 | 1982-05-21 | Procedeu de separare a spongiei de platina-rodiu din site de catalizatori uzati |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO83537B1 (ro) |
-
1982
- 1982-05-21 RO RO10761382A patent/RO83537B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO83537A2 (ro) | 1984-04-02 |
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