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Microwave-assisted Reactor Design

SINTEF is proficient within several scientific fields relevant for microwave heating and reactor design and also holds expertise in the use of microwaves for high-temperature chemical conversion processes.

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We work widely within process technology, electromagnetic and thermal modeling, heat and mass transfer, material integrity, techno economics, and system integration. Based on this, we offer our assistance to develop new concepts and assess intended microwave-based systems. This includes issues within:

  • Microwave reactor and applicator design
  • Microwave assisted thermochemical and high-temperature reaction engineering
  • Heat transfer and energy efficiency in microwave systems
  • Material compatibility and system durability
  • Technoeconomic assessment and scale-up

Projects related to microwave

PYROSALT: Microwave Heating of Molten Salt for Methane Cracking
PYROSALT explores how microwaves can heat molten salts to enable methane and natural-gas cracking, producing hydrogen and solid carbon with zero CO₂ emissions.

MAGMA-H2: Microwave heating of molten salt and catalysed biochar for enhanced methane cracking
MAGMA-H2 explores the possibility of using biochar impregnated with catalysts along with molten salts to intensify the methane cracking for hydrogen production using microwave heating.

Our work includes:

  • Direct comparison of microwave vs. conventional heating
  • Characterization of carbon formation, molten-salt chemistry, and stability
  • Modeling of energy efficiency and reactor scalability
  • Assessment of industrial integration routes for clean hydrogen production
  • Hard carbon and graphite production from biomass via microwave intensification