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The knelson concentrator was one of the first egss to find commercial success for free gold or other heavy mineral recovery gupta and yan 2008 it is made from a revolving inverted truncated cone fitted with many stair-stepped ring-type partitions feed slurry is introduced through a central feed tube and is allowed to flow in counter current fashion from partition to partition.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.