waste processing and separation. goals describe the most common waste processing techniques. ...
TRANSCRIPT
Waste Processing and Separation
Goals
Describe the most common waste processing techniques.
Develop process flow charts for material separation.
Processing and Separation
Processing is used to alter the physical characteristics of the waste stream or to remove particular components from the stream
Separation is used to permit more efficient processing of waste components
Baling
Processing Operations
StoringConveyingCompactionSize ReductionPulpingRoll CrushingGranulating
Tub Grinder
Horizontal Grinder
Vertical Hammermill Shredder
Inside a Horizontal Hammermill Shredder
Separation Processes
Picking ScreeningAir ClassificationMagnetsOptical separationEddy currentFlotation
Hand Picking
Trommel Screen
Air Knife Air Classifier
Separating Steel Cans from Al Cans Using a Magnet
Optical Glass Sorter
Optical Glass Separator
MRF Feed
Conveyers
Commingled MSW
Collection vehicle
Receiving Areas
Front-end Loader Bulky itemsManual removal White goods
of wastes Cardboard
Front-end Loader, conveyor system
Shredding
Conveyor
air to atmos. Air Classification Heavy fraction conveyorMagnetic Separation Ferrous metals
Pneumatic Light fractionconveyor Residue to
Dust Cyclone separator landfill
collection ConveyorMainly
organic fraction
Dust
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Last updated July 2007 by Dr. Reinhart