Table of ContentsPneumatic Conveying of Stowing MaterialPneumatic Stowing InstallationStowing MaterialRetaining of Stowing Material Pneumatic stowing was first introduced in longwall mining in the middle twenties.
Table of ContentsPersonnelHardwareComputerPlanning There is much interest in the automation of entire comminution circuits. At the present technological level it is possible to automate a
Table of ContentsClassification of Methods of Mining Bedded DepositsTransference of Roof LoadsRoom-and-Pillar Mining – Partial ExtractionRoom-and-Pillar Mining – Pillars ExtractedComplete Extraction – Longwall Mining The
Over a considerable period of time great interest has been shown in selective dry concentration of fine ferromagnetic particles, although it is only recently that
Table of ContentsThe principle of the “Lock Hopper” PumpTechnical problems inherent in the designExperience on the first Unit The pumping of abrasive and sometimes corrosive
Kaolin is an important industrial mineral because it exhibits desirable properties in many applications and because of its relatively low cost. Approximately 2,000,000 tons of
Table of ContentsGround Pressure and BackfillHydraulic BackfillingCharacteristics of Hydraulic Backfill Material as SupportSegregation in Fill Material Problems of mine backfilling and fill material deposited underground,
Table of ContentsDescription of Dyna Whirlpool Separator/ VesselOperating ControlsAdvantages of Dyna Whirlpool ProcessPilot Plant Test Results The success of Heavy Media Separation, the static sink-float
Table of ContentsExperimental WorkContinuous Agglomeration Agglomeration, as used throughout this report, refers to a mineral dressing process in which the desired mineral, namely cassiterite, is
Table of ContentsLeachingWashing of the SolutionsPrecipitationRegeneration of Leaching Solution The principal characteristics of the process is that when applied in medium or in great degree,
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