Kitchener · Ontario · Advanced Nuclear

Transmute the
long half-life.

Transmutex Canada Limited develops accelerator-driven transmutation systems — reducing the burden of long-lived nuclear waste by converting it into elements that decay on human timescales, not geological ones.

REACTION 239U + 1n → 141Ba + 92Kr + 31n
Systems → Contact
Corporation 1818926-9
Jurisdiction Federal · CA
Status Active
01
Discipline

Transmutation, as a discipline.

What we mean by the word
Sector Nuclear engineering Focus ADS · Transmutation Region Canada · EU Horizon 2026 – 2040

Most nuclear waste will outlive every institution that produced it. That is a design problem, not a law of physics.

Transmutation is the conversion of one nuclide into another through nuclear reaction. In the context of nuclear waste, it means converting long-lived minor actinides — plutonium, americium, curium, neptunium — into fission products whose radiotoxicity returns to the level of natural uranium ore within a few centuries rather than a few hundred thousand years.

Transmutex Canada Limited is the Canadian engineering entity of a broader program developing accelerator-driven systems for this purpose. We work alongside the Swiss engineering team on target design, subcritical core physics, and safety architecture, with a focus on materials qualification in Canadian regulatory and industrial contexts.

The program is long-horizon by nature. Transmutation is not a technology you deploy in a quarter or a year; it is a discipline that outlives the careers of the people who begin it. We are comfortable with that. The alternative — leaving the problem to the next twenty generations of custodians — is not one we accept.

// Minor actinides targeted for transmutation
93 Np Neptunium
94 Pu Plutonium
95 Am Americium
96 Cm Curium
97 Bk Berkelium
02
Systems

Four systems, one architecture.

The engineering stack of an ADS
System · 01

Accelerator Systems

A high-power proton accelerator driving a spallation source. The accelerator must operate reliably at megawatt-class beam power, with fast beam-tripping and restart capability suitable for coupling to a subcritical core.

TypeCW Proton
Energy~ 600 MeV
PowerMW-class
Availability> 90%
System · 02

Target & Subcritical Core

A liquid-metal spallation target generates the neutron flux that drives a subcritical core. Because the core is subcritical (keff < 1), it cannot sustain a chain reaction without the external source — a defining safety property of ADS.

TargetLBE
keff< 0.98
CoolantLead-Bismuth
ModeSubcritical
System · 03

Materials & Fuels

Minor-actinide-bearing fuels, cladding, and structural materials qualified for the high-radiation, high-temperature, corrosion-prone environments characteristic of ADS cores. Qualification is the long pole of the program.

FuelMA-bearing
CladdingFeCrAl · T91
Dose> 100 dpa
Env.LBE · 550°C
System · 04

Control & Safety

Real-time neutronics, reactivity control, and safety-case architecture suitable for Canadian regulatory review. Beam-tripping as the primary shutdown mechanism; passive safety characteristics as the secondary layer.

TripBeam-off
NeutronicsReal-time
SafetyPassive
CodesCNSC-aligned
03
Method

How we build.

Four operating principles
01

Physics first

No proposal leaves the program until the physics it depends on has been independently reviewed. Neutronics, thermal-hydraulics, and materials behavior are examined by people whose job is to find the failure — not to defend the design.

02

Safety as architecture

Subcriticality is not a feature added to the design — it is the design. Beam-tripping, subcritical margin, and passive heat removal are treated as architectural properties of the system, not operational procedures layered on top.

03

Long timelines, careful delivery

Transmutation systems are multi-decade infrastructure. We optimize for the engineer who will take over the program in year fifteen, not for the demo that wins year two. Documentation, review, and institutional continuity are first-class deliverables.

04

Open to scrutiny

Nuclear work earns trust by being legible. Within the bounds of commercial confidentiality, we publish, present, and open our physics and safety cases to external review. When we are wrong, we would rather hear it early.

04
Contact

Correspondence.

A note to our office

For research collaborations, engineering enquiries, or general correspondence relating to Transmutex Canada Limited, please write to us directly.

contact@transmutexcanada.site
Registered Office Transmutex Canada Limited
600-345 King St W
Kitchener, ON N2G 0C5
Canada
Corporation No. 1818926-9
Jurisdiction Federal · Canada
← Return to home

Privacy Policy

Last revised · 2026

Transmutex Canada Limited respects your privacy. This policy explains how we handle personal information when you visit transmutexcanada.site or correspond with us. We follow the Personal Information Protection and Electronic Documents Act (PIPEDA) and applicable Canadian privacy law.

What we collect

  • Contact information you provide voluntarily — name, email address, and the content of your message.
  • Basic technical data collected by our web host — IP address, browser type, pages visited.

Why we collect it

  • To reply to your correspondence.
  • To operate and maintain this website.
  • To meet legal and corporate obligations.

How we handle it

We do not sell or trade personal information. Information is shared only with service providers who help us operate the site, with professional advisers, or where required by law.

Your rights

You may request access to, correction of, or deletion of personal information we hold about you, subject to legal retention requirements. Please write to contact@transmutexcanada.site.

Contact

Transmutex Canada Limited
600-345 King St W, Kitchener, ON N2G 0C5, Canada
contact@transmutexcanada.site

← Return to home

Terms of Use

Last revised · 2026

By accessing transmutexcanada.site, you agree to these terms. If you do not agree, please do not use the site.

Content

The information on this website is provided for general information only. While we try to keep it accurate and current, Transmutex Canada Limited makes no warranties — express or implied — as to the completeness, accuracy, or reliability of the content. Nothing on this site constitutes engineering, regulatory, legal, or investment advice.

No offer of securities

Nothing on this website constitutes an offer to sell, or a solicitation of an offer to buy, any security, interest in any entity, or interest in any investment vehicle. Any investment activity of Transmutex Canada Limited is conducted privately and outside the scope of this website.

Intellectual property

All content on this site — text, marks, and design — belongs to Transmutex Canada Limited unless otherwise noted, and may not be reproduced without prior written permission.

Limitation of liability

To the fullest extent permitted by law, Transmutex Canada Limited disclaims liability for any loss or damage arising from your use of this website or reliance on its content.

Governing law

These terms are governed by the laws of the Province of Ontario and the federal laws of Canada applicable therein.

Contact

Transmutex Canada Limited
600-345 King St W, Kitchener, ON N2G 0C5, Canada
contact@transmutexcanada.site

← Return to home

Accessibility

Last revised · 2026

Transmutex Canada Limited wants this website to work for as many people as possible, including visitors with disabilities.

What we have done

  • Semantic HTML that supports screen readers and keyboard navigation.
  • High-contrast colour scheme and readable typography against the dark background.
  • Responsive layout that adapts to phone, tablet, and desktop screens.
  • Visible keyboard focus states on interactive elements.
  • No information conveyed by colour alone.

Standards

We aim to follow the Web Content Accessibility Guidelines (WCAG) 2.1 Level AA where practical.

Feedback

If you find a barrier on this site, please email contact@transmutexcanada.site and we will try to fix it.

Contact

Transmutex Canada Limited
600-345 King St W, Kitchener, ON N2G 0C5, Canada
contact@transmutexcanada.site