Duranium (YC Summer 2025)

TL;DR: Duranium is a Y Combinator Summer 2025 startup Reshoring critical metal production, currently active with a team of 10.

Reshoring critical metal production

YC ID
30781
YC Batch
Summer 2025
Status
Active
Team size
10
Industry
Industrials, Manufacturing and Robotics
Tags
Manufacturing, Advanced Materials, ClimateTech
YC profile
https://www.ycombinator.com/companies/duranium

Last verified:

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 carboch…

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Frequently asked questions

Is Duranium a YC (Y Combinator) company?

Yes. Duranium was funded by Y Combinator in the Summer 2025 batch. Reshoring critical metal production

What does Duranium do?

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 zir…

What YC batch was Duranium in?

Duranium was part of Y Combinator's Summer 2025 batch.

How big is Duranium?

Duranium has a team of 10 people according to Y Combinator's directory.

Is Duranium still active?

Duranium is currently listed as Active with a team of 10 in Y Combinator's directory.

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