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1. 发明授权

US4579391A Method of electric smelting to matte in situ 失效
标题翻译：电冶方法在原位消光
公开(公告)号：US4579391A
公开(公告)日：1986-04-01
申请号：US660406
申请日：1984-10-12
申请人： William G. Mouat , Marvin D. Mouat
发明人： William G. Mouat , Marvin D. Mouat
IPC分类号： E21B36/04 , E21B43/24 , E21B43/285 , E21C41/22 , E21C41/14
CPC分类号： E21B43/2401 , E21B36/04 , E21B43/285
摘要： A method of extraction of metallic sulfides (Matte) from an ore deposit in situ. The contained sulfides are smelted by resistor induced heat creating a matte containing precious metals, including, but not limited to, platinum-group metals and gold and silver (as well as copper, nickel, iron, sulfur, etc). The heavier portion of the bath (matte) settles to the bottom and the slag rises to the top. Further smelting is controlled by positioning of the electrode pairs in the bath, thus regulating heat generation by modulation of the resistance between said electrodes. Placement of the electrodes in cased drill holes strategically placed to intersect and penetrate the ore-bearing horizons results in extraction of the valuable metals as matte. The matte can be recovered either as a liquid, or, after cooling, as a solid.
摘要翻译：从矿床原位提取金属硫化物（哑光）的方法。所含的硫化物通过电阻器诱导的热量熔化，产生含有贵金属的无光泽，包括但不限于铂族金属和金和银（以及铜，镍，铁，硫等）。浴的较重部分（哑光）沉降到底部，炉渣上升到顶部。通过将电极对定位在浴中来进一步控制冶炼，从而通过调节所述电极之间的电阻来调节发热。将电极放置在套管式钻孔中，其策略性地放置以相交并穿透含矿层，导致有价值金属作为无光泽物质的提取。无光泽可以作为液体回收，或者在冷却后作为固体回收。

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