circular economy workshop series the dilemmas of disassembly · 2020-01-14 · aalto sustainability...
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Nov 5, 2019
Circular Economy Workshop Series
The Dilemmas of Disassembly
Aalto Sustainability Hub
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The Project
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The Team
ProfessorMinna HalmeDept. of Management StudiesSchool of Business
ResearcherElizabeth MillerDept. of Management StudiesSchool of Business
Assistant ProfessorAnnukka SantasaloDept. of Mechanical EngineeringSchool of Engineering
Master StudentKarelia DagnaudCreative SustainabilitySchool of Business
Master StudentHai Anh Tran Creative SustainabilitySchool of Business
Master StudentNikhil BholeAdvanced Energy SolutionsSchool of Engineering
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Workshop Agenda
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1. Recycling stories 2. Before dismantling
• Why dismantle? • Safety & guidance
3. Dismantling in the lab ----------------------- break -----------------------4. Discussion
• Value calculation & real-life practices 5. Materials of the phone
• Recycling ability of e-waste 6. Feedback
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Ourstories
Kuusakoskiexperience
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Our stories
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Trash to Cash
Aalto Sustainability Hub *Photos were taken at Kuusakoski Heinola
Our stories
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• The enormous volume of waste that we produce.
• How the products we use are not designed for recycling - they are crushed.
• Recycling takes special equipment and skills - it is a crude, loud, dusty process.
• What gets recycled is what has economic value once separated or processed.
Our stories
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Recycling: “The Loop of Last Resort”?
Source: Ellen MacArthur Foundation, 2017Aalto Sustainability Hub
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Waste generated by sector and type In 2016
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Total amount of waste:
123 millions
tonnes
Source:Statistic ofFinland
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Convenience vs Consequence
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5 g golden ring = 2 tons of raw material 2 g of diamond = 106 kg of raw material
a pair of shoes = 8 000 liter of water
1 t-shirt = 2 700 liters of water
1 A4 sheet of paper = 10 liters of water
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WhyDismantle?
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To understand how:• Dismantling is actually done• Many different pieces and materials there are in only
one single device• Every material types requires its own type of
treatment and has its own recycling economic value• Difficult it is to separate materials from each other• Time-consuming dismantling is
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Safety & Guidance
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Let’sdismantle
40 minutes
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Time for a 10 mins break
Enjoy some refreshments!
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Value Calculation
Battery
Plastic components
Glass
Printed circuit board
Copper cables
Other metals
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Can you guess how much you just made?
-2 € /kg
0 € /kg
0.2 €/kg
5 € /kg
1 € /kg
0.5 €/kg
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Disassembly Experience
Discussion
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• How did the experience feel?
• What surprised you in the process?
• What was difficult? What was easy?
• Has your view about recycling
changed as a result of this exercise?
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Real-life practices Aalto Sustainability Hub
Source: Mastermagnets
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Materials of the phone
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Metals40%
Plastic40%
Ceramic20%
Metals Plastic Ceramic
43%
57%
Classified as critical by ECOthers materials
Of the 70 materials used in a smartphone, 30 are classified as critical by EC
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Material Percentage Composition
Potential to Recycle from Electronic
Waste
Aluminum 14.17% High
Gold 0.05% High
Silver 0.25% High
Copper 6.93% High
Iron 20.47% High
Platinum Traces High
Nickel 0.85% High
Palladium 0.01% High
Source: Fairphone
iPhone 6: 0.034g of gold, 0.34g of silver0.015g of palladium and traces of platinum
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• 90% of rock mined contributes to just 5% of the phone’s weight
• According to 2016 sales of Apple’s iphone, about 37 million tons of rock mined from the earth Approximately 22 MJ of energy is consumed in extraction of raw materials
for a single phone
Light 110 households at once1 phone
=
Source: Yu (2010)
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Energy
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Electronic Waste in EU
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Potential value of raw materials in e-waste in 2016 was
estimated at 55 Billion Euros.
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Exploring another examplesof challenges for recycling
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Upcoming workshops
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3rd: Building Circular Economy Language SkillsNov 12, 2019 9:30-12:30Väre M202Bringing the technical and business sides together to learn how to understand and speak each other’s “circular economy language”.
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We appreciate your feedbacks!
What could be improved?
What did you learn today?
What would you like to
learn more in the third
workshop?
Why this workshop could or could not help you feel more
comfortable working with engineers?
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Thanks for participating!Questions and Comments?
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