The development of the self-cleaning fluidized bed heat exchanger was started by Dr. Ir. Dick G. Klaren for seawater distillation plants by finding a practical solution for the hydraulic stabilization of multi-parallel fluidized beds and recognizing the excellent heat transfer film coefficient in a fluidized bed at very low superficial liquid velocities. With upcoming RO technologies, the focus switched to other industries like pulp & paper, petrochemical, oil & gas and renewables.
The fluidized bed technology evolved from stationary fluidization, via internal to external circulation of the fluidized cleaning particles. With external circulation also retrofitting of existing heat exchangers became possible.
Klaren International was able to acquire the proprietary knowledge on the self-cleaning heat exchanger technology and continued the development of the technology and new projects.