Browsing ERU - 1997 by Author "Fernando, WLW"

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  • The importance of humphreys spiral in heavy mineral Separation 
    Fernando, WLW [Conference-Full-text]
    The Humphreys Spiral Concentrator which was developed in 1943 is now being used extensively for the concentration and the recovery of heavy minerals. In Sri Lanka, this device is very effectively used by the mineral sand ...