Paper 100 Glass 20 Steel 10 Shredder Plastics 40 Paper 80, Glass 10 Steel 0 Plastics 20 Paper 2 Glass 0 Steel 81 Plastic 2 Air classifier Magnet Figure 5-40 Flow of four materials through a materials recovery facility. See Problem 5-23 Screen Paper 0 Glass 10 Steel 0 Plastic 2 5-23. Figure 5-40 is a sketch of a clean materials recovery facility. The flow rates of the various materials streams are indicated by the numbers-all having units of tons/day. a. What percent of steel entering the plant is recovered by the magnet? b. What is the purity of the paper produced by the air classifier? c. What is the fraction of incoming MSW that ends up in the landfill? d. Which of the unit operations is a polynary separator?
Paper 100 Glass 20 Steel 10 Shredder Plastics 40 Paper 80, Glass 10 Steel 0 Plastics 20 Paper 2 Glass 0 Steel 81 Plastic 2 Air classifier Magnet Figure 5-40 Flow of four materials through a materials recovery facility. See Problem 5-23 Screen Paper 0 Glass 10 Steel 0 Plastic 2 5-23. Figure 5-40 is a sketch of a clean materials recovery facility. The flow rates of the various materials streams are indicated by the numbers-all having units of tons/day. a. What percent of steel entering the plant is recovered by the magnet? b. What is the purity of the paper produced by the air classifier? c. What is the fraction of incoming MSW that ends up in the landfill? d. Which of the unit operations is a polynary separator?
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter4: Mechanical Processes
Section: Chapter Questions
Problem 4.8P
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