angling for amperage - arpa-e pitch...–deep sea mining collector designs –sensors for deep sea...
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Angling for AmperageDeep Sea Mining for Critical Minerals
Lakshana Huddar
Aurora, CO
July 9th 2019
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What do these three have in common?
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Chevy Bolt Miraloma Substation (80 kWh) 5MW Wind Turbine
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They all contribute to reduced
emissions
Their adoption is rapidly accelerating
They all require critical minerals such as
Cobalt, Nickel and Rare Earths
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Access to Critical Minerals
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Imported Cobalt100%
Domestic Cobalt0%
Domestic Nickel41%
Imported Nickel59%
https://www.indiamart.com/proddetail/high-grade-cobalt-ore-3054417162.html
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Access to Critical Minerals
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Need large amounts of stably sourced minerals. Let’s take a deep dive…
1000x more Cobalt needed
than we can currently recycle!
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Clarion-Clipperton
Fracture Zone
Photo: ROV-Team/GEOMAR (CC BY 4.0)
5 km ↓
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Clarion-Clipperton
Fracture Zone
Photo: ROV-Team/GEOMAR (CC BY 4.0)
5 km ↓
Polymetallic Nodules
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Diameter 5-10cm
Depth 4000-5000m
Concentration of Fe 21.5%
Concentration of Cu 5.3%
Concentration of Co 0.05%
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Area of CCFZ 9 million km2
Number of polymetallic nodules 34 billion
Cobalt reserves 17 million Tons
Comparison to land reserves 2.4x
Comparison of Yttrium to land reserves 6000x
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There’s a reason nobody is doing this yet
• Tough technical challenges
– Less than 10% of ocean has been mapped
– Near 0 °C
– High pressure
– Corrosive
– Subject to temperature swings
1. Non-intrusive, ecosystem-stabilizing deep sea mining techniques
2. Machinery that can operate underwater for the duration of the mining operation
3. Sensors/imaging techniques that work in harsh environments
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Ecological Design Constraints
• Newly discovered species in the abyssal plains
• Sediment displacement during mining
• Anthropogenic light, noise and vibration can disturb the sea life
10PC: Diva Amon and Craig Smith
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The Collector is a Crucial Component with Room for Innovation
• Needs to collect enough to be profitable
• Vacuum-based collectors
• Minimal contact between collector and sea floor
• Separation of minerals and waste sediment close to the sea floor
• Waste water discharge near the surface (artificial upwelling)
11https://eddypump.com/education/subsea-mining-deep-sea-dredging/
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Sensors for Deep Sea Mining
• Rechargeable Autonomous
Underwater Vehicles or Remotely
Operated Vehicles for resource
mapping and monitoring
• Modifying existing subsea
technologies for identifying
surface resources at deeper
depths and for longer durations
12a UX-1 HROV. Photo: EU UNEXMIN Project
Shutterstock
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DEME (Belgian)
DeepGreen (Canadian)
https://www.deme-group.com/news/deme-unveils-innovative-nodule-collector-pre-prototype-patania-ii
https://deep.green/
http://www.nautilusminerals.com/irm/content/seafloor-production-tools.aspx?RID=333
Nautilus Minerals (Australian)
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https://www.deme-group.com/news/deme-unveils-innovative-nodule-collector-pre-prototype-patania-ii
https://deep.green/
http://www.nautilusminerals.com/irm/content/seafloor-production-tools.aspx?RID=333
Where is the
American Design?
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In Conclusion…
•Need reliable access to critical mineral to keep up with
growth in clean energy technologies and achieve energy and
resource independence
• Lots of tech/infrastructure/environmental work needs to be
done
•Make U.S. leader in this space
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Please get in touch!
• Office Hours – Wednesday 8am Adams Ballroom
• Bring me your ideas:
– Deep sea mining collector designs
– Sensors for deep sea mining operations
• Other broad areas of interest
– Robust supply chains for clean energy technologies
– Subsurface innovations
– Digital transformation of energy industries
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