1. Instructor: Mehdi Mokhtari

2. Waste Processing and Separation

3. Goals  Describe the most common waste processing techniques.  Develop process flow charts for material separation.

4. 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

5. Baling

6. Processing Operations  Storing  Conveying  Compaction  Size Reduction  Pulping  Roll Crushing  Granulating

7. Tub Grinder

8. Horizontal Grinder

9. Vertical Hamme rmill Shredder

12. Inside a Horizontal Hammer mill Shredder

13. Shear shredder

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

15. Picking

16. Trommel Screen

21. Air Knife Air Classifier

22. Separating Steel Cans from Al Cans Using a Magnet

24. Separation and Recycling of Steel Cans

25. Optical Glass Sorter

26. Optical Glass Separator