加工含金硫化锑机械活化精矿

IF 0.2 Q4 FORESTRY
Khaetkul Rakhimov, B. Eshov, A. Kadirov, Abdulkhair Badalov
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引用次数: 0

摘要

介绍。塔吉克斯坦共和国重要战略目标的解决取决于化学、采矿、加工和冶金等工业。发达的能源和运输业为它们的顺利运行提供了条件。塔吉克斯坦共和国境内丰富矿物的综合矿物加工有助于解决社会经济问题,发展新的生产设施和就业,从初级生产者和中期制造商的作用过渡到最终产品生产商。研究方法。在氰化前分离锑和贵金属的便利性是显而易见的。它可以通过火法冶金或选矿方法来实现。蒸馏焙烧可以从复杂矿石中充分去除锑,而锑的含量相对较低。然而,当加工富含锑的原材料时,在熔炉中产生堆积的风险会造成困难。在高温下(1000-1100℃),大量的金可以与氧化物结合,成为氧化物。锑可通过氯化焙烧除去。与传统的氧化焙烧相比,额外的氯化剂可以在焙烧后的氰化过程中提高金的回收率,从75%提高到95-98%。结果和分析。本文是对含金硫化锑精矿加工成最终产品的工艺进行了一系列试验和改造的结果。提出了一种用氯化钠氯化焙烧机械活化的含锑金贵金属精矿的有效方法。确定了最佳焙烧方式,使锑金化合物产率高,工艺简单。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Processing gold-bearing antimony sulfide mechanoactivated concentrate
Introduction. The solution of important strategic objectives of the Republic of Tajikistan depends on such industries as chemical, mining, processing, and metallurgical. Their smooth functioning is provided by a developed energy and transport industry. Comprehensive mineral processing of abundant minerals located on the territory of the Republic of Tajikistan contributes to socioeconomic problems solution and to the development of new production facilities and employment, the transition from the role of a primary producer and middle-stage manufacturer to an end product producer. Methods of research. The expediency of separating antimony and precious metals before cyaniding is obvious. It can be achieved by pyrometallurgy or beneficiation methods. Distillate roasting allows to amply remove antimony from complex ores relatively poor in this metal. However, when processing raw materials rich in antimony, the risk of accretion development in furnaces creates difficulties. At a high temperature (1000–1100 °C), a large amount of gold can combine with oxides and become an oxide. Antimony can be removed by roasting with chlorination. Additional chlorinating reagent makes it possible to increase gold recovery during the subsequent cyanidation of the calcine from 75 to 95–98% compared to conventional oxidative roasting. Results and analysis. This article is the result of a series of experiments and renovations for the technologies of processing gold-bearing antimony sulfide concentrate into the final product. An effective method has been developed for chloridizing roasting of mechanoactivated precious metal containing antimony-gold concentrate with sodium chloride. The optimal roasting mode has been determined, which provides a high yield of antimony and gold compounds, which are technologically easy to process.
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