发明名称 PROCEDIMIENTO PARA LA OBTENCION DE METALES, EN ESPECIAL DE METALES NOBLES A PARTIR DE MINERALES METALICOS
摘要 The invention relates to the extraction of metal, particularly precious metals, from corresponding ore material, in which starting ore material is comminuted in a material bed roll mill, then deposited on a heap and leached by the addition of leaching fluid In order that the metal can be extracted with a particularly high rate of yield from the starting ore material, the comminuted ore material is deposited on the heap with a maximum grain size of approximately 12 to 15 mm.
申请公布号 PE17699(A1) 申请公布日期 1999.05.10
申请号 PE19970000558 申请日期 1997.06.30
申请人 KRUPP POLYSIUS AG 发明人 KNECHT, JOHANN
分类号 C22B3/04;B02C4/02;B02C23/16;C22B1/00;C22B1/24;C22B11/00 主分类号 C22B3/04
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