Process for the recovery of metals

A process for recovering Group VIII metals from process streams derived from carbonylation processes is provided. The process comprises contacting the process stream with an extracting stream comprising acetic acid in water and thereafter recovering the extracting stream. The process stream is prefe...

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Bibliographische Detailangaben
Hauptverfasser:	GULLIVER, DAVID J
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS INORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A process for recovering Group VIII metals from process streams derived from carbonylation processes is provided. The process comprises contacting the process stream with an extracting stream comprising acetic acid in water and thereafter recovering the extracting stream. The process stream is preferably one which contains tar and is produced by diluting a side stream from a carbonylation reactor with methyl iodide. During the process the Group VIII metal is extracted into the extracting stream from the process stream.