Process for removal of impurities from secondary alumina fines and alumina and/or fluorine containing material

The invention relates to a process for removal of impurities from secondary aluminia fines and alumina and or fluorine containing material comprising. (a) acidification by adding an acid ( 2,12,32 ) to the material to be purified ( 1,11,31 ); (b) heading the acidified mixture ( 3,13,35 ); (c) leachi...

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Hauptverfasser:	BADE OTTO M, DAHL IVAR
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY
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creator	BADE OTTO M DAHL IVAR
description	The invention relates to a process for removal of impurities from secondary aluminia fines and alumina and or fluorine containing material comprising. (a) acidification by adding an acid ( 2,12,32 ) to the material to be purified ( 1,11,31 ); (b) heading the acidified mixture ( 3,13,35 ); (c) leaching the mixture in a solution of an acid ( 6,16,39 ); (d) separating the solid and liquid.
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(a) acidification by adding an acid ( 2,12,32 ) to the material to be purified ( 1,11,31 ); (b) heading the acidified mixture ( 3,13,35 ); (c) leaching the mixture in a solution of an acid ( 6,16,39 ); (d) separating the solid and liquid.</description><edition>7</edition><language>eng</language><subject>CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; INORGANIC CHEMISTRY ; METALLURGY</subject><creationdate>2005</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&date=20050728&DB=EPODOC&CC=US&NR=2005163688A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20050728&DB=EPODOC&CC=US&NR=2005163688A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BADE OTTO M</creatorcontrib><creatorcontrib>DAHL IVAR</creatorcontrib><title>Process for removal of impurities from secondary alumina fines and alumina and/or fluorine containing material</title><description>The invention relates to a process for removal of impurities from secondary aluminia fines and alumina and or fluorine containing material comprising. (a) acidification by adding an acid ( 2,12,32 ) to the material to be purified ( 1,11,31 ); (b) heading the acidified mixture ( 3,13,35 ); (c) leaching the mixture in a solution of an acid ( 6,16,39 ); (d) separating the solid and liquid.</description><subject>CHEMISTRY</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2005</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEKwkAQRNNYiPoPC9ZiYjCkFVEsBbUOS7InC3e7Ye8i-PdeIdZWM8ybmXkhV9OeYgSnBkZBX-hBHXAYJ-PElIlpgEi9yoD2BvRTYEFwLBmiDL8k-21-cX5SyxDyIiELyxMCJjJGvyxmDn2k1VcXxfp8uh8vGxq1ozhiT0Kpe9x2Zbmvmrpp20NV_9f6AAfWRAU</recordid><startdate>20050728</startdate><enddate>20050728</enddate><creator>BADE OTTO M</creator><creator>DAHL IVAR</creator><scope>EVB</scope></search><sort><creationdate>20050728</creationdate><title>Process for removal of impurities from secondary alumina fines and alumina and/or fluorine containing material</title><author>BADE OTTO M ; DAHL IVAR</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2005163688A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2005</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><toplevel>online_resources</toplevel><creatorcontrib>BADE OTTO M</creatorcontrib><creatorcontrib>DAHL IVAR</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BADE OTTO M</au><au>DAHL IVAR</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for removal of impurities from secondary alumina fines and alumina and/or fluorine containing material</title><date>2005-07-28</date><risdate>2005</risdate><abstract>The invention relates to a process for removal of impurities from secondary aluminia fines and alumina and or fluorine containing material comprising. (a) acidification by adding an acid ( 2,12,32 ) to the material to be purified ( 1,11,31 ); (b) heading the acidified mixture ( 3,13,35 ); (c) leaching the mixture in a solution of an acid ( 6,16,39 ); (d) separating the solid and liquid.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects	CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY
title	Process for removal of impurities from secondary alumina fines and alumina and/or fluorine containing material
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