Carbon sorts out the smell for Witton
29 Mar 2000
Cost-effective removal of large quantities of contaminants may pose a bit of a challenge, but it's no easier for small amounts of complicated chemical cocktails, as Witton Chemicals discovered when it decided to replace the worn out local exhaust ventilation system in its batch chemical manufacturing plant. Moreover, trimethylamine is one of its biproducts and amongst the most odorous materials known.
Several types of abatement plant were considered before Witton decided on a vertical deep bed carbon filter from Camfil. This unit has a two-stage bed deploying a base carbon in the first stage to capture the heavy molecules, and a specially impregnated carbon as the second stage to adsorb and chemically bind lighter molecules like TMA. Both stages are contained in a single housing.
