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The SNIM Guelb II Project in Mauritania – Process Design Challenges

机译：毛里塔尼亚的SNIM Guelb II项目–工艺设计挑战

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The Société Nationale Industriel et Minière (SNIM) is expanding its ore and concentrate productionrncapacity in Mauritania, West Africa. This government-controlled mining company has been inrnproduction since 1963 and currently exports some 12 Mt/a.rnSNIM is presently doubling its magnetite concentrate production at the Guelb el Rhein mine. Anrnexisting processing line will have a second parallel production line of 4 Mt/a added. The mine isrnlocated some 600 km inland from the Atlantic coast in the heart of the Sahara Desert.rnThe metallurgy of the ore is reasonably straightforward. It is a magnetite banded iron formationrnthat is amenable to magnetic separation. While the existing plant uses semi-autogenous grindingrnand dry magnetic separation, the new processing line will use HPGRs, dry magnetic separation,rnand a wet milling and magnetic separation circuit for treating middlings.rnThe process choices refl ect the scarcity of water in the region, the high cost of locally generatedrnpower and the operating experience and preferences of SNIM. Dust control in the desertrnenvironment has been a particular challenge.rnThe metallurgical design aspects as well as the infl uence of the environmental and commercialrnaspects of the project are presented.

机译：法国国家工业和微型工业集团（SNIM）正在西非毛里塔尼亚扩大其矿石和精矿生产能力。这家政府控制的矿业公司自1963年开始投入生产，目前每年出口约12 Mt.rn SNIM目前使Guelb el Rhein矿的磁铁矿精矿产量翻了一番。现有的生产线将增加第二条平行生产线，产能为4 Mt / a。该矿位于撒哈拉沙漠中心的大西洋沿岸约600公里的内陆。矿石的冶金学相当简单。它是一种磁铁矿带状铁，易于磁选。现有工厂使用半自动研磨和干磁选，而新的生产线将使用HPGR，干磁选，湿磨和磁选回路处理中矿。工艺选择反映了该地区缺水，本地发电的高昂成本以及SNIM的运营经验和偏好。沙漠环境中的粉尘控制一直是一个特殊的挑战。本文介绍了冶金设计方面以及项目环境和商业方面的影响。

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《Iron ore 2011》|2011年|p.11-16|共6页
会议地点 Perth(AU)
作者
G Cooper; R Lapointe; J Routhier;
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作者单位

Metallurgy, Mining and Metallurgy Division, SNC-Lavalin Inc, 455 René Lévesque Boulevard, West Montreal, Quebec H2Z 1Z3, Canada. Email: gordon.cooper@snclavalin.com;

Mining and Metallurgy Division, SNC-Lavalin Inc, 455 René Lévesque Boulevard, West Montreal, Quebec H2Z 1Z3, Canada. Email: remi.lapointe@snclavalin.com;

Mining and Metallurgy Division, SNC-Lavalin Inc, 455 René Lévesque Boulevard, West Montreal, Quebec H2Z 1Z3, Canada. Email: jean.routhier@snclavalin.com;

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正文语种 eng
中图分类铁矿石;
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The SNIM Guelb II Project in Mauritania – Process Design Challenges

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