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Microwaves (low temperature heating)


Technology Description

Microwave heating is the generation of heat, internally, in non-conductive materials. The object is placed between two electrodes connected with a high-frequency generator (operative frequency is in the 100 to 10000 MHz range). The excitement of the molecules generates heat inside the material itself. The advantages are a rapid heat transfer, the absence of combustion products and the high speed of switching on the systems.

Relevance for Net Zero

This technology can replace fuel-fired ovens in several processes, reducing on-site emissions. The use of renewable electricity can guarantee a CO2-free heating process. Since microwave heating is already commercial in some applications, it could provide good potential for further development for other applications. In particular, its development for carbon fibre carbonisation could play an important role in substantially reducing emissions of producing carbon fibre, which may play an important role in lightweighting in a net zero world.

Key Countries

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