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首页> 外文会议>Global Symposium on Recycling, Waste Treatment and Clean Technology; 20040926-29; Madrid(ES) >RETREATMENT TECHNOLOGY FOR TAILS AFTER RARE METAL ORE ENRICHMENT
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RETREATMENT TECHNOLOGY FOR TAILS AFTER RARE METAL ORE ENRICHMENT

机译：稀有金属矿石富集后尾矿的后处理技术

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摘要

The rare metal production tails presented by micas, feldspars and quartz are rarely treated further on due to absence of reliable techniques permitting to recover the most valuable component -potassium feldspar at the ratio K_2O/Na_2O below 1.0. Any novel technology for thorough beneficiation of such material will create a powerful source for extra production without new deposits having to be developed, thus saving the environment in broad scope at the same time. The conducted set of investigation has resulted in the development of a technology for thorough processing of the rare metal tails permitting a low-waste treatment of complex ores. The technology facilitates the production of mica lithium concentrate and high-grade potassium feldspar under the conditions of complete water recycling despite of extremely low contents of lithium oxide and microcline in the material. The chief distinction of the proposed technological solutions is the use of flotation with effective combinations of various reagents at corresponding stages of technological process.
机译：由云母，长石和石英制成的稀有金属生产尾矿由于缺乏可靠的技术而很少得到进一步处理，因为该技术无法以低于1.0的比例K_2O / Na_2O回收最有价值的成分-钾长石。彻底选矿的任何新技术都将为额外的生产提供强大的来源，而不必开发新的沉积物，从而在广泛的范围内节省了环境。进行的一系列调查导致了对稀有金属尾矿进行彻底处理的技术的发展，从而可以对复杂矿石进行低废物处理。尽管该材料中的氧化锂和微碱含量极低，但该技术可在完全水循环利用的条件下促进云母锂精矿和高级钾长石的生产。所提出的技术解决方案的主要区别是在工艺过程的相应阶段使用浮选与各种试剂的有效组合。

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