DeltaSpark Develops Turnkey System for Rapid CO2 to Minerals and Hydrogen Conversion
DeltaSpark, an EPFL startup, has developed a compact system that converts CO2 emissions into solid minerals and clean hydrogen using patented electrolysis methods, capable of processing two metric tons of CO2 daily. This technology, designed for installation at emission sources, reduces carbon capture costs and offers economic benefits through its byproducts, which can be used in sustainable construction and energy. The founders aim to market the solution amid increasing carbon taxes in Switzerland, having secured significant funding for its development.

EPFL startup DeltaSpark has created a system that converts CO2 emissions from production plants into solid minerals and clean hydrogen, all within a shipping container-sized unit. The technology, which operates at near ambient temperatures, utilizes patented electrolysis methods to achieve rapid mineralization and hydrogen production simultaneously.
With a processing capacity of two metric tons of CO2 daily, the system can be installed directly at emission sources, reducing costs associated with carbon capture and storage. DeltaSpark has received several funding opportunities, including an Innogrant and over CHF 600,000 for prototype development.
The system's byproducts, carbonate minerals and hydrogen, can be utilized in sustainable building materials and as an energy source, respectively, providing economic incentives for plant operators. Founders Luc Bondaz and Suhas Nuggehalli Sampathkumar aim to market this innovative solution amid rising carbon taxes in Switzerland.




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