中文摘要：

对于某些难处理金矿,用常规的方法很难将其中的金提取富集,在提金前对其进行预处理是提高此类矿石中金提取率的前提.文章对此类金矿难处理的原因进行简单分析,并详尽介绍焙烧法,加压氧化法,生物氧化法及化学氧化法等几种目前常用预处理方法的研究现状及进展,分析各方法的优缺点及应用前景.

英文摘要：

It is difficult to enrich the gold by conventional method for some refractory gold ore,hence,pretreatment is an effective way to improve the gold leaching ratio.In this paper,problems existing in treating gold ore were briefly analyzed,and the present situation and progress of some pretreatment methods were introduced.Advantages,disadvantages and prospects of these methods were also analyzed.