YesPress · Jul 2026
Summarizes the company’s product, founders, funding context, and recent milestone timeline including YC participation and pilot timing.
Company research
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
Overview
Duranium is a YC S25 clean-tech industrial metals startup that aims to reshore U.S. production of titanium, magnesium, aluminum, zirconium, and hafnium by modernizing carbochlorination with a closed-loop reactor that recycles CO₂ into CO feedstock and sells hypochlorite co-products. Public funding data is somewhat inconsistent across sources, but the company appears to be a small, early-stage team in Alameda with a San Francisco/YC presence.
Primary product
Closed-loop carbochlorination reactor for critical-metal production
Founded
2025
Headquarters
Alameda, California, United States
Team size
1-10
Industry
Primary Metal Manufacturing
Sub-industry
Critical metal production / carbochlorination metallurgy
Offices
Open Positions
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