Examples from the chemical industry

Panel resonator in the industrial chimney of Degussa AG, Trostberg
Design: Reduced pressure loss due to the use of streamlined panel resonators
Aggregate: Radial fans
Vinnolit
Design: Due to the high chlorine content in the exhaust air, the silencer has been made entirely out of stainless steel 1.4529 and PTFE film.
Aggregate: Radial fans for process air