Referenzprojekt
Micro Supercritical Water Oxidation Test Rig

For the Georgia Institute of Technology, mSCWO technology - supercritical water oxidation - was used as one of the core modules of the “Generation 2 Reinvented Toilet”. To further improve robustness and process understanding, a dedicated test system was developed that isolates the reactor and enables precise investigations with a high degree of experimental flexibility.
Supercritical water oxidation places extreme demands on materials, valves and a smart system design. At the same time, it offers a solution to a global problem: the complete oxidation of wastewater. Around half of the world’s population has no access to safe, adequate sanitation.
Industries
Key Figures
- Dedicated mSCWO Test Rig for supercritical water oxidation
- Five identical high-pressure test units
- Development, commissioning, and delivery within approximately six months
- Standardized high-pressure test platform for reproducible experiments
- High experimental flexibility through isolated reactor testing
- Foundation for scalable process optimization and new application areas

Our Contribution
Previously, mSCWO technology had been integrated into a complex overall system. For controlled process development, a dedicated test platform was required — one that would allow temperature, pressure, residence time, and energy flows to be systematically varied and precisely measured.
The solution was a clearly focused mSCWO Test Rig. Within approximately six months, five identical high-pressure test units were built, commissioned, and delivered. Helbling brought together mechanical engineering, electrical engineering, software development, and process engineering to implement the test platform under demanding technical conditions.
- Development of a dedicated test platform for controlled process development
- Isolation of the reactor for precise investigations with a high degree of experimental flexibility
- Design and implementation of the high-pressure test units
- Integration of mechanical, electrical, software, and process engineering
- Parallel development of design, safety concept, control cabinet layout, and control architecture
- Careful alignment of the individual system elements
- Comissioning and knowledge-transfer workshop for practical use with international partners

«The Helbling team did an excep tional job delivering a very difficult and demanding engineering project on time and within budget, while integrating multiple specialized engineering disciplines.»
Prof. Shannon Yee (directs the Scalable Thermal Energy Engineering Laboratory (STEEL) at Georgia Institute of Technology)
Outcome
The test rig provides a standardized high-pressure test platform for the systematic advancement of supercritical water oxidation. It forms the basis for scalable process optimization and for applications beyond sanitation technology, including other organic waste streams and industrial processes.
During a weeklong workshop with international partners, the system was presented in a hands-on setting. The resulting knowledge transfer led to concrete follow-up projects in related technology fields.
Kontakt

Cases
Internationales Unternehmen der Papierindustrie – Analyse des Dampfsystems
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Cases
6-Streifenausbau Aarau Ost – Verzweigung Birrfeld – Bauherrenunterstützung
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