SEPARATION PROCESS FOR VOLATILE METALS, SUCH AS LEAD, ZINC AND CADMIUM FROM SULPHIDE CONCENTRATES

SEPARATION PROCESS FOR VOLATILE METALS, SUCH AS LEAD, ZINC AND CADMIUM FROM SULPHIDE CONCENTRATES

The invention relates to a method for producing zinc, cadmium, lead and other easily volatile metals from sulfidic raw materials in a pyrometallurgical process. In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450 - 1,800 DEG C, so th...

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Hauptverfasser: TIMO TAPANI TALONEN, HEIKKI JORMA EEROLA
Format: Patent
Sprache:eng ; rum
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator TIMO TAPANI TALONEN
HEIKKI JORMA EEROLA
description The invention relates to a method for producing zinc, cadmium, lead and other easily volatile metals from sulfidic raw materials in a pyrometallurgical process. In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450 - 1,800 DEG C, so that the zinc, lead and cadmium are volatilized, and the iron and copper remain in the molten metal or in the metal sulfide matte created in the furnace.
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In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450 - 1,800 DEG C, so that the zinc, lead and cadmium are volatilized, and the iron and copper remain in the molten metal or in the metal sulfide matte created in the furnace.</description><edition>6</edition><language>eng ; rum</language><subject>CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1995</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19950728&amp;DB=EPODOC&amp;CC=RO&amp;NR=109954B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19950728&amp;DB=EPODOC&amp;CC=RO&amp;NR=109954B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TIMO TAPANI TALONEN</creatorcontrib><creatorcontrib>HEIKKI JORMA EEROLA</creatorcontrib><title>SEPARATION PROCESS FOR VOLATILE METALS, SUCH AS LEAD, ZINC AND CADMIUM FROM SULPHIDE CONCENTRATES</title><description>The invention relates to a method for producing zinc, cadmium, lead and other easily volatile metals from sulfidic raw materials in a pyrometallurgical process. 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In the method, zinc sulfide concentrate is fed into molten copper in atmospheric conditions, at a temperature of 1,450 - 1,800 DEG C, so that the zinc, lead and cadmium are volatilized, and the iron and copper remain in the molten metal or in the metal sulfide matte created in the furnace.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title SEPARATION PROCESS FOR VOLATILE METALS, SUCH AS LEAD, ZINC AND CADMIUM FROM SULPHIDE CONCENTRATES
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