Basics

What Minerals Can be Extracted from Seawater (Brine)
How Can This Be Done / What Machines Does it Require
How Does This Fit Into Existing / Future Product Ecologies
What Environmental Impacts Would Seawater Mineral Extraction Have, and how does Scale effect this?
Can the Same Process(es) be Applied to Brine from Conventional Desalination Plants (A Waste Product with Potential for Ecological Harm), or Produced Water ?

Temporary Trashcan

https://www.lenntech.com/processes/Brine-Treatment/zero-liquid-discharge-zld.htm Lenntech "Zero Liquid Dischage" equipment (seems to be a good keyword for future searches)
https://ide-tech.com/en/blog/from-sustainable-to-self-sustained-the-future-of-seawater-desalination-merges-sustainability-with-profitability/ "Desalination Brine Mining (DBM)" "From Sustainable to Self-Sustained: The Future of Seawater Desalination Merges Sustainability with Profitability"
https://www.researchgate.net/publication/222363496_Techno-Economic_feasibility_of_extracting_minerals_from_desalination_brines "Techno-Economic feasibility of extracting minerals from desalination brines"
https://www.sciencedirect.com/science/article/pii/S0011916420315228 "Can emerging membrane-based desalination technologies replace reverse osmosis?"
https://www.frontiersin.org/articles/10.3389/fmars.2022.845113/full "Characteristics of Desalination Brine and Its Impacts on Marine Chemistry and Health, With Emphasis on the Persian/Arabian Gulf: A Review"
https://www.fttm.itb.ac.id/geothermal-forum-experimental-study-of-lithium-extraction-from-geothermal-fluid/ "Geothermal Forum: Experimental Study of Lithium Extraction from Geothermal Fluid"