Calgon Carbon is a U.S. manufacturer of activated carbon, provider of media exchange, disposal, and technical service for various water and air treatment processes. In biogas applications, Calgon Carbon supports biogas production at the source, producing and supplying activated carbon media for hydrogen sulfide (H2S) removal, volatile organic compounds (VOC) and siloxane removal, and carbon molecular sieves (CMS) for nitrogen (N2) and carbon dioxide separation (CO2). More >>