Reactor & Vessel Heating
Reactor Heating Methods
Fluidized temperature baths are widely used by Fortune 500 companies, global research institutes, and leading biochemistry and engineering departments because they offer fast, efficient and precise heating for a wide range of reactor systems.
Where traditional heating methods struggle with slow response and uneven temperatures, fluidized baths deliver high thermal uniformity, excellent heat transfer and reliable temperature stability—critical for both endothermic and exothermic reactions.

Fluidized baths from Accurate Thermal Systems (A.T.S.), distributed in Europe by IPPN, are used to heat:
- custom reactor coils
- biomass reactors
- jacketed reactors
- Parr reactors
- fixed-bed reactors
- general-purpose laboratory reactors
They offer unmatched performance for both laboratory experiments and industrial processes that require consistent and reproducible thermal conditions.
Why Fluidized Baths Outperform Traditional Reactor Heating Methods
Unlike ovens or heating mantles, fluidized baths use aluminum oxide media that behaves like a liquid when fluidized by air.
This creates:
✔ Exceptionally fast heat transfer
No slow thermal lag or long soak times.
✔ Outstanding temperature uniformity
The media flows like a liquid around the reactor, eliminating cold or hot zones.
✔ Highly stable and responsive temperature control
Ideal for sensitive thermal processes.
✔ Large working volumes
Perfect for heating large coils or irregularly shaped reactors.
✔ Safe, clean and inert operation
Unlike salt baths—which are corrosive, messy and can explode when moisture is present—aluminum oxide is completely inert.
Because of their strong thermal performance and safety, fluidized baths have become the preferred heating method for R&D labs, chemical manufacturers, universities, and advanced material developers.
Contact us to discuss your process!

“We use fluidized sand bath furnaces for fixed-bed reactors when the reaction temperature is high and precise control is essential. Accurate Thermal Systems provided higher quality furnaces than our previous vendor and customized safety features based on our requirements. Their founder even visited our site to resolve a specification issue. We are very satisfied with A.T.S. equipment and their excellent technical support.”
— J. Xu, PhD, Research & Development, Dow Chemical
