Instructor: Mehdi Mokhtari

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  Storing  Conveying  Compaction  Size Reduction  Pulping  Roll Crushing  Granulating

Tub Grinder

Horizontal Grinder

Vertical Hamme rmill Shredder

Inside a Horizontal Hammer mill Shredder

Shear shredder

Separation Processes  Picking  Screening  Air Classification  Magnets  Optical separation  Eddy current  Flotation

Picking

Trommel Screen

Air Knife Air Classifier

Separating Steel Cans from Al Cans Using a Magnet

Separation and Recycling of Steel Cans

Optical Glass Sorter

Optical Glass Separator