Understanding Plastics Recycling - Economic, Ecological, and Technical Aspects of Plastic Waste Handling

Natalie Rudolph, Raphael Kiesel, Chuanchom Aumnate

Understanding Plastics Recycling

Economic, Ecological, and Technical Aspects of Plastic Waste Handling

2017

136 Seiten

Format: PDF

E-Book: €  54,99

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ISBN: 9781569906774

 

Acknowledgements

7

Foreword

9

Contents

11

Acronyms and Other Abbreviations

15

1 All About the Waste

17

1.1 Municipal Solid Waste— A Daily Companion

17

1.2 Management Methods for Municipal Solid Waste

19

1.2.1 Landfilling

20

1.2.2 Incineration with Energy Recovery (Waste-to-Energy)

21

1.2.3 Recycling

23

2 Plastics—Increasing Value, Decreasing Lifetime

25

3 Plastics Recycling—Conservation of Valuable Resources

29

3.1 Plastics Recycling Methods

30

3.1.1 Mechanical Recycling

30

3.1.2 Chemical Recycling

31

3.2 Recycling Different Types of Plastic Waste

31

3.2.1 Preconsumer Waste

31

3.2.1.1 Manufacturing Scrap

31

3.2.1.2 Dilution Effect

31

3.2.2 Postconsumer Waste

33

3.2.2.1 Packaging Plastic Waste

35

3.2.2.2 Building and Construction Plastic Waste

36

3.2.2.3 Automotive Plastic Waste

37

3.2.2.4 Agricultural Plastic Waste

37

3.2.2.5 Waste from Electrical and Electronic Equipment (WEEE)

38

3.3 Sorting Processes for Plastic Waste

39

3.3.1 Manual Sorting

39

3.3.2 Automated Sorting

39

3.3.2.1 Float-and-Sink Sorting

39

3.3.2.2 Froth-Flotation Sorting

40

3.3.2.3 Near-Infrared Sorting

40

3.3.2.4 X-Ray Fluorescence

40

3.3.2.5 Laser-Aided Identification

40

3.3.2.6 Marker Systems

40

3.4 Plastic Degradation Mechanisms

41

3.4.1 Mechanical Degradation

42

3.4.2 Thermal Degradation

42

3.4.3 Thermal Oxidative Degradation

43

3.4.4 Effect of Degradation on Processing and Service-Life Properties

43

3.5 Contaminants

51

3.6 Conclusion: Technical Feasibility of Plastics Recycling

51

4 Economic Analysis of Plastic Waste Handling

55

4.1 Fundamentals of Economic Analysis

55

4.1.1 Economic Efficiency Calculation

55

4.1.2 Static Economic Efficiency Calculation

56

4.1.3 Profit Comparison Method

56

4.2 Economic Analysis of Landfilling

57

4.3 Economic Analysis of Incineration with Energy Recovery (Waste-to-Energy Facilities)

62

4.4 Economic Analysis of Plastics Recycling

66

4.4.1 Materials Recovery Facility Costs

67

4.4.2 Plastic Reprocessing Costs

71

4.4.3 Revenues from Selling Recycled Plastic

74

4.4.4 Profitability

75

4.4.5 Oil Price as a Factor in Profitability of Plastics Recycling

75

4.5 Conclusion

78

5 Environmental Analysis of Plastic Waste Handling

83

5.1 Environmental Analysis of Landfilling

83

5.2 Environmental Analysis of Incineration with Energy Recovery (Waste-to-Energy Facilities)

85

5.3 Environmental Analysis of Recycling

86

5.4 Conclusion

88

6 Optimization of Plastics Recycling

91

6.1 Optimization I: Reduction of Sorting Processes

91

6.2 Optimization II: Upcycling of Plastic Waste by Blending

94

6.2.1 Additional Costs of LDPE–PP Recycling

97

6.2.2 Additional Revenues of LDPE–PP Recycling

99

6.2.3 Total Profit of Optimization II

99

6.3 Optimization III: Increasing the Recycling Rate

101

7 Plastic Waste of the World: Increasing Potential of Recycling

103

7.1 Plastic Waste Handling in Europe

106

7.2 Plastic Waste Handling in China

111

7.3 Plastic Waste in the Future

116

8 Appendix

119

8.1 Economic Analysis of Landfilling

120

8.2 Economic Analysis of WTE

123

8.3 Economic Analysis of Recycling

125

8.4 Optimization I: Reduction of Sorting Processes

128

8.5 Optimization II: Upcycling of Plastic Waste by Blending

129

Index

131

 

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