Extensive attentions have been attracted to the extraction of gold from refractory gold ore at abroad.
随着金矿的普遍开采应用，从难浸金矿石中提取金越来越引起国内外的广泛重视。
Reasons hard to leach for refractory gold ore are analyzed. Pretreatment by oxidation method can obtain good results.
分析难处理金矿难浸的原因，指出该类金矿浸出前必须进行预先氧化，才能取得理想的浸出效果。
Bacterial pre-oxidation refractory gold ore has showed many advantages, such as low operation cost and environment friendly.
细菌氧化预处理难浸金矿由于其环境友好成本较低，受到越来越多的重视。
The nature of a refractory gold ore in Guizhou was introduced. The technology for recovering gold from the ores was proposed.
针对贵州某难浸金矿的矿石性质，确定采用原矿焙烧—氰化提金工艺。
The experimental results of column leaching of gold from As bearing refractory gold ore in Luerba by bacterial oxidation are described.
介绍了鹿儿坝含砷难浸金矿石细菌氧化柱浸试验研究结果。
The basic principle, character, research and application situation of pretreatment technology of refractory gold ore are summarized in this paper.
综述了难处理金矿石预处理工艺的基本原理、特点和国内外研究与应用状况。
The present status of application and research on pretreatment of refractory gold ore with ultra fine grinding is briefly introduced in this paper.
简述了超细磨预处理难浸金矿石的应用研究现状。
The research results of cyanide leaching of goad using two stage roasting pretreatment for Zhenyuan refractory gold ore were described in this paper.
本文介绍了对镇源难处理金矿采用二步焙烧预处理工艺氰化提金的研究结果。
Focus on the peculiarities of refractory gold ore containing rich arsenic and rich sulphur in Jiangxi gold mines, the paper propose a new method and technology of acidic aqueous chlorination of gold.
针对江西高砷高硫难浸金矿石的特点，提出了酸性水溶液氯化提金的新方法与工艺。
This paper makes use the original system of pretreating refractory ore by hot-press oxidation to extract gold by cyanide process.
通过试验研究，提出了利用难处理矿石的热压氧化预处理的原有体系直接进行氰化提金的新工艺。
Primary gold ore from Bangi, Guizhou, belongs to a clastic-type, finely disseminated, refractory particles. It is difficult to extract gold from the ore by cyanide infusing.
贵州板其原生金矿石属碎屑岩类微细浸染型难选冶矿石，在氰化浸出之前需进行预处理。
The features and problems of refractory As-C bearing gold ore reserves, as well as the situation of treatment technology are discussed in this paper.
论述了含砷碳型微细粒金矿资源特点和难处理原因，国内外处理技术现状。
The features and problems of refractory As-C bearing gold ore reserves, as well as the situation of treatment technology are discussed in this paper.
论述了含砷碳型微细粒金矿资源特点和难处理原因，国内外处理技术现状。
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