Researchers from the UJI and the UPV patent a system for heating air to more than 200ºC using microwaves



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## Researchers from the UJI and the UPV patent a system for heating air to more than 200ºC using microwaves

06/02/2024 |
SCP

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* [![ patent-sistema-calfament-aire image002](/com/investigacio/arxiu/noticies/2023/12/patent-sistema-calfament-aire/image002.jpg)](#)

Researchers from the [Chemical Engineering and Materials Technology](mailto:https://www.uji.es/serveis/ocit/base/grupsinvestigacio/detall?codi=094) group (ChEMTECh) at the Universitat Jaume I in Castelló, coordinated by the lecturer Vicente Sanz, and from the Applied Electromagnetism group (GEA) at the Universitat Politècnica de València have developed a microwave system for heating air that can reach a temperature of over 200 degrees Celsius.

The system works by heating an electromagnetic susceptor with excellent thermal properties for heat transfer. Susceptors are materials that absorb microwave radiation and convert it into heat, thereby allowing air to be heated efficiently; they could be applied in the manufacture of ceramics and glass or the baking and roasting of agrifood products.

Their advantages include the high temperature reached, rapid heating, improved air quality (as it is not contaminated by any other products during the process), greater safety (as the risk of combustion is eliminated) and the possibility of using electrical energy from renewable sources in the microwave generation system, which is an additional advantage over other types of systems.

The technology has been validated experimentally in the laboratory setting and is protected by a patent application. Development and adaptation to specific applications is sought through specific agreements and subsequent licensing agreements with the business sector. In the opinion of Ruth de los Reyes, a researcher from the GEA group and the Applied Physics Department of the UPV, "this patent could represent an alternative to the use of fossil fuels".

The Universitat Jaume I, through the Office for Cooperation in Research and Technological Development and the Office of the Vice-Rector for Transfer, Innovation and Science Outreach, facilitates the scientific and technological transfer of its research staff with the aim of advancing in its commitment to the transmission and dissemination of scientific, technical, social and humanistic knowledge.

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