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从氰化物溶液中回收金的碳浆法,工艺简单、处理费用低,这就促使一些企业开始向低品位的金矿资源投资。特别是对一些老矿山的尾矿坝,正在重新进行检查,以便用碳浆法处理这些尾矿。这种利用尾矿的趋势在津巴布韦显得特别突出。据报导,在那里有4000多个生产金的厂家。大约在1950年以前,通常是用“逆流”法建造尾矿坝,尾矿通过周围的排料管排放。粗粒尾矿迅速沉降,从而形成了一道多孔的外壁。这种外壁与向中心管道输送的泥渣相比,垂
The recovery of gold from the cyanide solution of carbon slurry method, the process is simple, low-cost processing, which prompted some companies began to invest in low-grade gold resources. Tailings dams, especially for some old mines, are being reexamined to treat these tailings with the carbon slurry. This trend of using tailings is particularly prominent in Zimbabwe. According to reports, there are more than 4,000 producers of gold there. About 1950, it was common to build tailings dams using the “reverse flow” method, with the tailings being discharged through the surrounding discharge pipes. The coarse tailings settle rapidly and form a porous outer wall. This outer wall and the central pipeline to transport mud than hanging down