PROCESS FOR SEPARATING THE NICKEL FROM THE WASTE METHANE CATALYSTS

Inventia se refera la un procedeu de separare a nichelului din catalizatorii de metanare uzati. Procedeu, conform inventiei, foloseste tratarea cu solutii amoniacale, clorura de amoniu si azotat de amoniu si de preferinta, carbonat de amoniu, la temperatura si presiune ridicata, timp de 20...24 h. A...

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Bibliographische Detailangaben
Hauptverfasser:	PACURAR LUCIA, BENKE KATALIN, BENKE LUDOVIC, BOIAN PAULA SABINA
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	Inventia se refera la un procedeu de separare a nichelului din catalizatorii de metanare uzati. Procedeu, conform inventiei, foloseste tratarea cu solutii amoniacale, clorura de amoniu si azotat de amoniu si de preferinta, carbonat de amoniu, la temperatura si presiune ridicata, timp de 20...24 h. Avantajele procedeului propus constau în extractia selectiva a nichelului din catalizator, evitarea etapelor de separare a ionilor straini, numarul redus de operatii si utilizarea unor reactivi comunisi accesibili.