While air pollution regulations have remained fairly static, equipment upgrades continue to minimize compliance woes.

By Kate Tomlinson and Assistant Editor

In this application, the customer expected 2-5 lbs./hr. of silicone products such as SiO2 (an inorganic), hexamethylcyclotetrasiloxane, and/or octamethyl-cyclotetrasiloxane (both organic) could be found in the exhaust stream. For this reason, the system had to be engineered to withstand the rigors of a considerable amount of particulate buildup.