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A process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with 发明申请

2023-08-21 1370 17K 0

专利信息

申请日期 2025-07-09 申请号 AU2006308439
公开(公告)号 AU2006308439A1 公开(公告)日 2007-05-03
公开国别 AU 申请人省市代码 全国
申请人 COMPANHIA VALE DO RIO DOCE
简介 A process for the enrichment of anatase mechanical concentrates, in order to obtain synthetic rutile with low contents of rare earth and radioactive elements, comprising the steps of : calcination of the anatase concentrate; reduction of the calcined product; dry or wet low-intensity magnetic separation of the reduced product; dry, high-intensity, high-gradient magnetic separation of the non-magnetic fraction from the low-intensity separation; leaching of the high-intensity magnetic fraction; oxidation of the dried product; leaching of the quenched product; filtering of the product from the second leaching; drying of the filtered product; and dry, high-intensity, high-gradient magnetic separation of the product of the second leaching.


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