PROCESS FOR PRODUCING TITANIUM DIOXIDE CONCENTRATES

PROCESS FOR PRODUCING TITANIUM DIOXIDE CONCENTRATES

1. Process for making titanium dioxide concentrates by removing iron and vanadium from material containing titanium oxide and iron and vanadium oxides which comprises : allowing the material containing titanium oxide to travel downwardly under the influence of gravity inside a reaction zone heated t...

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Hauptverfasser: HEYMER, GERO, JODDEN, KLAUS, STEPHAN, HANS-WERNER
Format: Patent
Sprache:eng ; ger
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 HEYMER, GERO
JODDEN, KLAUS
STEPHAN, HANS-WERNER
description 1. Process for making titanium dioxide concentrates by removing iron and vanadium from material containing titanium oxide and iron and vanadium oxides which comprises : allowing the material containing titanium oxide to travel downwardly under the influence of gravity inside a reaction zone heated to 800 to 1010 degrees C and reacting it which a countercurrently flowing mixture consisting of chlorine and up to 30 volume % inert gas, resulting iron (III) chloride and vanadium oxychloride becoming volatilized and a residue consisting essentially of titanium dioxide remaining behind.
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Process for making titanium dioxide concentrates by removing iron and vanadium from material containing titanium oxide and iron and vanadium oxides which comprises : allowing the material containing titanium oxide to travel downwardly under the influence of gravity inside a reaction zone heated to 800 to 1010 degrees C and reacting it which a countercurrently flowing mixture consisting of chlorine and up to 30 volume % inert gas, resulting iron (III) chloride and vanadium oxychloride becoming volatilized and a residue consisting essentially of titanium dioxide remaining behind.</description><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAOCPJ3dg0OVnDzD1IAsl1CnT393BVCPEMc_TxDfRVcPP0jPF1cFZz9_Zxd_UKCHENcg3kYWNMSc4pTeaE0N4OCm2uIs4duakF-fGpxQWJyal5qSbxrgIGBhamxiamToTERSgB2LicB</recordid><startdate>19860611</startdate><enddate>19860611</enddate><creator>HEYMER, GERO</creator><creator>JODDEN, KLAUS</creator><creator>STEPHAN, HANS-WERNER</creator><scope>EVB</scope></search><sort><creationdate>19860611</creationdate><title>PROCESS FOR PRODUCING TITANIUM DIOXIDE CONCENTRATES</title><author>HEYMER, GERO ; JODDEN, KLAUS ; STEPHAN, HANS-WERNER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0085345B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1986</creationdate><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>HEYMER, GERO</creatorcontrib><creatorcontrib>JODDEN, KLAUS</creatorcontrib><creatorcontrib>STEPHAN, HANS-WERNER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HEYMER, GERO</au><au>JODDEN, KLAUS</au><au>STEPHAN, HANS-WERNER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR PRODUCING TITANIUM DIOXIDE CONCENTRATES</title><date>1986-06-11</date><risdate>1986</risdate><abstract>1. Process for making titanium dioxide concentrates by removing iron and vanadium from material containing titanium oxide and iron and vanadium oxides which comprises : allowing the material containing titanium oxide to travel downwardly under the influence of gravity inside a reaction zone heated to 800 to 1010 degrees C and reacting it which a countercurrently flowing mixture consisting of chlorine and up to 30 volume % inert gas, resulting iron (III) chloride and vanadium oxychloride becoming volatilized and a residue consisting essentially of titanium dioxide remaining behind.</abstract><edition>4</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 PROCESS FOR PRODUCING TITANIUM DIOXIDE CONCENTRATES
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