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Duranium

Reshoring critical metal production

About

China and Russia control the world’s critical minerals. We can produce Titanium, Magnesium, Aluminum, Zirconium & Hafnium in the U.S. more profitably than any existing process, and carbon neutrally via co-production.

Carbochlorination is the primary process for producing critical metals like titanium, hafnium, and zirconium, and was once the standard for magnesium. The problem: conventional carbochlorination relies on purchasing carbon feedstocks, wastes valuable byproducts, and is highly CO₂-intensive.

Duranium changes this with a novel reactor that recycles CO₂ emissions back into feedstock (CO) while generating a valuable co-product (bleaching agents). This closed loop slashes emissions and delivers Chinese-level metal pricing without subsidies — unlocking the full potential of carbochlorination for U.S. critical mineral production.

Topics

Location
San Francisco, CA, United States
Team size
12 employees
YC batch
Summer 2025
Status
Active
Stage
Early stage

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Questions and answers

What does Duranium do?

Reshoring critical metal production

Where is Duranium based?

San Francisco, CA, United States

How many people work at Duranium?

12 employees, according to the company profile.

Has Duranium raised money?

There are no funding rounds for Duranium in our data.

What are the alternatives to Duranium?

Similar startups: Sinter, Atomic Industries, and Nox Metals.