Resources from Seawater: Micromotors, Advanced Materials and Feasibility
Year: 2026
Type: article
Abstract: Recovering dissolved resources from seawater requires materials and processes capable of working within a dilute and chemically complex environment. This working paper examines selected contributions from Chinese research institutions and their collaborators, focusing on biomimetic adsorbents and metal–organic framework micromotors investigated for uranium capture. Its central question concerns how improvements in experimental performance can contribute to a technically credible and environmentally responsible recovery process. The analysis distinguishes resource production from remediation, controlled solutions from natural seawater, and capture performance from the output of a complete system. Particular attention is given to the relationship between chemical affinity, material architecture and transport, together with the energy and handling requirements introduced by active materials. The paper argues that feasibility depends on the compatibility of selective capture, stability, recovery and reuse under conditions relevant to the proposed application. Economic and environmental assessment must additionally identify the resources required across the process and the alternatives against which an advantage is claimed. The selected research establishes substantive advances in materials science without demonstrating autonomous deep-ocean extraction or commercial viability. Its significance lies in the barriers addressed, the mechanisms investigated and the further evidence needed to connect promising materials with dependable applications.
Author: Ocean Geopolitics Centre
Language: English
Subfield: Inorganic Chemistry
Field: Chemistry
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7222880460
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