Seloxium Seloxium are a University of Oxford spin-out company whose technology recovers high-purity metals from their wastewater. Seloxium's Selectal™ technology is a chemical additive that selectively binds and precipitates valuable and precious metals from liquid solutions for recovery. IDTechEx spoke with Business Development Manager, Alejandro Navas, at the Materials Research Exchange 2024 in London, UK. Seloxium