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一、概述 对于金的回收,国外研究过一种较新的选矿方法:即油相附聚法。据报导1969年加拿大渥太华国家研究委员会J.R Faruaup等4人研究了用油相附聚法选金,分批试验间断作业和连续作业都取得良好效果;入选粒度-200目占85％,含金4.8～6.4克/吨,经油相附聚法处理,精矿品位Au288～320克/吨,尾矿品位Au0.32克/吨,金回收率79～96％。
First, an overview For the recovery of gold, abroad studied a new method of beneficiation: oil phase agglomeration method. It was reported that in 1969, four people including JR Faruaup, National Research Council of Ottawa, Canada, studied the effect of oil phase agglomeration method on batch and batch operation of intermittent operation and continuous operation. The selected particle size of -200 mesh accounted for 85% and gold content of 4.8 ~ 6.4 g / t. After oil phase agglomeration, the concentrate grade is Au288 ~ 320 g / t, the tailing grade is Au0.32 g / t, and the gold recovery is 79 ~ 96%.