About
Transmutex is a private headquartered in Vernier, Switzerland specializing in Other.
Transmutex is a nuclear engineering company based in Geneva, Switzerland, developing the START (Subcritical Transmutation of Actinides with Rapid Transfer) system. The technology combines a high-energy cyclotron particle accelerator with a subcritical transmutation reactor to transmute long-lived radioactive waste into shorter-lived isotopes while producing carbon-free energy. The system uses thorium as primary fuel and can process spent nuclear fuel through closed fuel cycle management. Key features include inherent safety (subcritical design requiring continuous external neutron source), reduction of nuclear waste half-life from hundreds of thousands to a few centuries, and co-production of medical radioisotopes. The company provides design expertise and software rather than owning/operating facilities, allowing customers full implementation control. Technology has been experimentally validated at CERN and Paul Scherrer Institute over multiple decades.
Headquarters
Vernier, Switzerland
Company Type
Private
Funding Stage
Series A
Business Models
Value Chain
Industry Memberships
ABB (strategic partnership discussion)
Products
START System
Certifications & Awards
Certifications
GEANT4 Simulation Software
Awards
ARPA-E NEWTON Program Selection
ARPA-E Grant