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
Alameda, California, United States
Business model
B2B industrial materials manufacturing
Funding
Stage
Seed / early-stage VC
Total raised
$5.7M
Latest round
Early Stage VC · Sep 2025
Latest amount
$5.2M
Sep 2025
Jul 2025 · Y Combinator
Jul 2025 · Y Combinator
People & investors
Work & culture
Mission-driven industrial/clean-tech culture focused on reshoring critical metals; public hiring signals emphasize engineers with experience in high-temperature or corrosive reactors.
Compensation
No public salary bands or benefits package were found. The terms state that user-submitted ideas or improvements are not compensated.
Product & market
Differentiators
- —Closed-loop process recycles CO₂ into CO feedstock
- —Hypochlorite co-product creates additional revenue
- —Claims Chinese-level pricing without subsidies
- —Targets direct emissions reduction
- —Applies across multiple critical metals (Ti, Mg, Al, Zr, Hf)
Technology
carbochlorination metallurgy
closed-loop CO₂ recycling
CO feedstock recycling
hypochlorite co-product recovery
high-temperature reactor process
Competitors
Nth Cycle
ELYSIS
Magree Source
Big Blue Technologies
Tidal Metals
Magrathea
Scale & contact
Latest news
HUGE Magazine · Feb 2026
Profiles the company, describes the technical approach, and notes the pilot-facility target of June 2026 and the 2029 magnesium goal.
Tekedia · Nov 2025
Announces Tekedia Capital’s investment and reiterates Duranium’s carbochlorination reactor, emissions reduction, and cost-parity claims.
Menlo Times · Sep 2025
Lists Duranium as one of the week’s YC launches and identifies the founders as Brenden Prins-McKinney and Berkley Noble.
Jobs and careers at Duranium
0 jobs at Duranium
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