The average leaching recovery of gold reaches 86.01% from high grade raw ore and flotation concentrate of gold in pilot test.

半工业试验对浮选金精矿和高品位原矿平均金浸出率达86．01％。

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Technical features of hyperbaric filter and vacuum disc filter introduced in relation of dewatering of coal flotation concentrate;

介绍了加压过滤机和圆盘真空过滤机在浮选精煤脱水方面的工艺特点；

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FCSMC has a shortcoming of foaming deficiency in separating some sulphide ores, leading to the low recovery of flotation concentrate.

旋流-静态微泡浮选柱在分选某些硫化矿时存在起泡剂起泡能力不足，进而导致浮选精矿回收率较低的问题。

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