地下井浸出控制系统中铀提取的物理化学方面的研究

IF 0.8 Q4 METALLURGY & METALLURGICAL ENGINEERING
C. Turganaliev, E. Oryngozha, E. Oringozhin, V. Nikulin, Zh. Alisheva
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引用次数: 0

摘要

本文介绍了利用超声波技术从储层氧化带提取铀的物理和化学方面的情况,并对哈萨克斯坦铀矿床就地钻孔浸出技术进行了理论论证。哈萨克斯坦拥有巨大的储量、勘探良好的铀矿床、发达的铀矿开采和加工能力以及世界铀市场的现状,这些决定了哈萨克斯坦铀矿工业发展的前景。位于煤层氧化带前缘的铀矿床的矿床在寄主岩的化学成分上基本相似。铁、铝、镁、钙、钾、钠是造岩矿物中分布最广的成岩元素。人们观察到铀与铁、钒、硒、钼、铼和其他元素结合在一起。铀矿化以外源(次生)矿物沥青铀矿和铀矿石为代表。铀矿物总平衡中沥青铀矿约占30%,铀矿约占70%。Nasturan (хUO2×yUO3×z)是由四价二氧化铀和六价三氧化铀结合而成,其组成为(UO2+UO3) - 65-85%, coffinite -四价硅酸铀USiO4。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physico-chemical aspects of uranium extraction for investigation of underground well leaching control systems
This article gives the physical and chemical aspects of uranium extraction from the zones of reservoir oxidation using ultrasonic technology and the theoretical justification for the technology of in-situ borehole leaching (ISL) of uranium deposits in Kazakhstan. Kazakhstan has significant reserves, well-explored uranium deposits, developed uranium mining and processing capacities, as well as the current state of the world uranium market, which determine the prospects for the development of the uranium mining industry in Kazakhstan. Ore deposits of uranium deposits localized at the fronts of seam oxidation zones are largely similar in terms of the chemical composition of host rocks. Fe, Al, Mg, Ca, K, and Na are among the most widespread petrogenic elements of rock-forming minerals. Uranium is observed in association with iron, vanadium, selenium, molybdenum, rhenium, and other elements. Uranium mineralization is represented by exogenous (secondary) minerals – pitchblende and coffinite. In the general balance of uranium minerals, pitchblende is about 30%, and coffinite is about 70%. Nasturan (хUO2×yUO3×z) is represented by an association of tetravalent uranium dioxide and hexavalent uranium trioxide with a variable composition (UO2+UO3) - 65-85%, coffinite - tetravalent uranium silicate USiO4.
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