Offshore Extraction

FEco grade
Upstream0 facilities tracked

Seabed mineral extraction targeting polymetallic nodules and seafloor massive sulphide deposits containing rare earth elements.

Where does the mass go?

Material flow balance — per 100 t seabed deposit disturbed

FeedstockChemical InputProcessValuable OutputWaste / Emissions
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Critical Ratio

Only ~12% of disturbed seabed material yields mineral slurry - the rest becomes marine pollution

Ratings

Capital Outlay$$$$ Critical
Technical DifficultyVery High
Geopolitical SensitivityHigh
Energy Intensity⚡⚡⚡ High
Environmental Footprint🍂🍂🍂 F - Highest environmental impact
Value Add2x-4x
Technical MoatVery High

Material Flow

INSeabed Mineral Deposits
OUTPolymetallic Nodules / Mineral Slurry

Key Reagents / Inputs

  • Seawater
  • Mechanical extraction systems

Waste Outputs

  • Seafloor sediment plumes
  • Disturbed benthic habitat
  • Dewatering discharge
  • Heavy metal-enriched wastewater
🏰

Technical Moat

Very High

Requires Extreme Environment engineering - autonomous subsea robotics and riser systems capable of operating under immense pressure at 4km+ depth. No commercial-scale REE seabed operation exists anywhere in the world.

Tracked Facilities

0 total

No facilities tracked for this process type yet.

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