... different processes.these VOCs consist of a numerous variety of compounds such as:alcohols ,aldehydes ,acetates ,aromatics ,esters ... monoxide (CO), non-methane hydrocarbons (NMHC), volatile organic compounds (VOC), formaldehyde (CH2O) and EPA classified Hazardous Air Pollutants ... gas streams from industrial processes VOC (Volatile Organic Compounds) Catalyst is formed by the first carrier cordierite ...