A Proposed Recycling Facility for the Informal Waste Collectors of Oshakati
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A Proposed Recycling Facility for the Informal Waste Collectors of Oshakati An Interactive Qualifying Project submitted to the Faculty of WORCESTER POLYTECHNIC INSTITUTE in partial fulfilment of the requirements for the degree of Bachelor of Science by William Bennett Emily Chretien Sophia Gomarlo Peter Hurley Date: 3 March 2017 Report Submitted to: Ms. Clarence Ntesa Mr. Lameck Mwewa Namibia University of Science and Technology Professor Sarah Wodin-Schwartz Professor Robert Kinicki Worcester Polytechnic Institute This report represents work of WPI undergraduate students submitted to the faculty as evidence of a degree requirement. WPI routinely publishes these reports on its web site without editorial or peer review. For more information about the projects program at WPI, see http://www.wpi.edu/Academics/Projects. TABLE OF CONTENTS TABLE OF CONTENTS ................................................................................................................. i TABLE OF FIGURES .................................................................................................................... ii TABLE OF TABLES ..................................................................................................................... ii Abbreviations and notations .......................................................................................................... iii CHAPTER 1: Introduction ............................................................................................................. 1 CHAPTER 2: Background .............................................................................................................. 3 2.1 Introduction to the Region .................................................................................................... 3 2.1.1 Oshana Province ............................................................................................................ 4 2.1.2 Oshakati ......................................................................................................................... 4 2.2 Waste Management in Oshakati ........................................................................................... 5 2.2.1 Waste Collection in Oshakati ......................................................................................... 5 2.2.2 Causes of Waste Management Issues in Oshakati ......................................................... 9 2.2.3 Health and Environmental Concerns of Current Waste Management System .............. 9 2.3 Recycling as a Waste Management Solution ........................................................................ 9 2.3.1 Case Study: Windhoek Recycling Initiatives .............................................................. 10 2.3.2 Recycling Potential in Oshakati ................................................................................... 12 2.3.3 Recycle by Bicycle in Oshakati ................................................................................... 13 2.3.4 Processing Recyclables Collected in Oshakati ............................................................ 13 2.4 Recycling Processes ............................................................................................................ 14 2.4.1 Glass Recycling Processes ........................................................................................... 14 2.4.2 Metals Recycling Processes ......................................................................................... 15 2.4.3 Plastic Recycling Processes ......................................................................................... 17 2.4.4 Paper Product Recycling Process................................................................................. 19 2.5 Summary ............................................................................................................................. 20 CHAPTER 3: Methodology .......................................................................................................... 21 3.1 Objective 1: To Characterize Existing Systems and Stakeholders in Oshakati .................. 22 3.1.1 Select Interview Subjects ............................................................................................. 22 3.1.2 Interview Key Stakeholders ......................................................................................... 24 3.1.3 Consider Cultural Differences and Ethics.................................................................... 26 3.2 Objective 2: To Evaluate Potential Strategies for Restructuring the Recycling Processing System ....................................................................................................................................... 26 3.2.1 Organize and Analyze Data from Interviews ............................................................... 26 3.2.2 Determine Potential Systems to Consider.................................................................... 27 3.2.3 Evaluate Potential Systems .......................................................................................... 27 3.3 Objective 3: To Prepare Recommendations for Integrating Informal Waste Collectors into the Recycling Processing System ............................................................................................. 28 3.3.1 Determine Informal Waste Collector Roles in Recycling Processing System ............ 28 3.3.2 Select the System for Recommendation ...................................................................... 28 3.3.3 Determine Potential Investors for the Processing System ........................................... 29 3.3.4 Present Optimal Findings to Sponsor .......................................................................... 29 3.4 Summary ............................................................................................................................. 30 i BIBLIOGRAPHY ......................................................................................................................... 31 APPENDIX A: Stakeholder Interview Questions ........................................................................ 34 Informal Waste Collectors .......................................................................................................... 34 Recycling Packaging Companies ................................................................................................. 34 Manufacturers/Potential Customers ........................................................................................... 35 Oshakati Town Council ............................................................................................................. 36 APPENDIX B: Informed Consent Statement ............................................................................... 37 APPENDIX C: Cost-Benefit Analysis Spreadsheet ..................................................................... 38 TABLE OF FIGURES Figure 1: Map of Namibia (Encyclopedia Britannica, 1998) ......................................................... 3 Figure 2: Maps of Oshana Province (Bing Maps, 2017) ................................................................ 4 Figure 3: Oshakati Dumpsite (Mughal, 2014) ................................................................................ 6 Figure 4: Location of the Dumpsite Relative to Oshakati, Outlined in Red (Google Maps, 2017) 7 Figure 5: Burning Waste in the Oshakati Dumpsite (Alsins et al., 2013) ...................................... 7 Figure 6: Informal Waste Collector Working in the Oshakati Dumpsite (Haukena, 2009) ........... 8 Figure 7: Recycling Flowchart...................................................................................................... 10 Figure 8: Recycling Waste Streams in Windhoek (Hasheela, 2009) ............................................ 11 Figure 9: Completed Recycle by Bicycle Prototype (Jacobsen et al., 2014) ................................ 11 Figure 10: Materials Entering the Oshakati Landfill (adapted from Alsins et al., 2013) ............. 12 Figure 11: Aluminum Processing Machine (CP Manufacturing, 2012) ....................................... 16 Figure 12: Melting Furnace (Dynaform Technologies, Inc.) ........................................................ 17 Figure 13: Plastic Recycling Process (adapted from Haarman, 2015) ......................................... 18 Figure 14: Example of Pelletizer Machine in India (Van Den Berg, 2009) ................................ 19 Figure 15: Methodology Flowchart .............................................................................................. 21 Figure 16: Flow of Materials and Cash in the Oshakati Recycling System ................................. 23 TABLE OF TABLES Table 1: National Poverty Lines in Namibia (Namibia Statistics Agency, 2011) .......................... 4 Table 2: Oshakati Town Waste Management Budget (Mughal et al., 2014) ................................. 6 Table 3: Gross Potential Profit by Material per Week (adapted from Alsins et al., 2013) .......... 13 Table 4: Sample Stakeholder Interview Questions ....................................................................... 25 Table 5: Table for Organizing Coded Interview Data .................................................................. 27 ii ABBREVIATIONS AND NOTATIONS HDPE: High Density Polyethylene IWC: Informal Waste Collector LDPE: Low Density Polyethylene MRF: Material Recovery Facility NUST: Namibia University of Science and Technology PET: Polyethylene Terephthalate RAD: Rent-A-Drum WPI: