Does anyone have experience using activated carbon for sewer gas odour control. Using caustic impregnated carbon to remove sulphides has been successful (30ppm h2s to less than 0.05ppm)however breakthrough of very low level VOCs (PCE, TCE, toluene - @200ppb) is causing other odour problems -...
Your application is probably best dealt with using biofiltration or regenerative thermal oxidation. Biofiltration uses bacterial oxidation to degrade the VOC's. The RTO will oxidise using heat but has 95% heat recovery and so the operating costs will be much less than your current afterburner...
