The document describes the Eco-Triom DeNOx PLUS system for cleaning exhaust gases from diesel engines ranging from 150 to 4300 kW. The system provides NOx abatement, particulate matter and ash removal, and noise attenuation. It removes NOx within Tier III limits and PM and ash over 95%. Noise is attenuated by 30 to 40 dB. Additional benefits include reduction of PAH, heavy metals, and odor, with no visible smoke at the stack. Dimensions and specifications of the system are provided for different engine power sizes.