Water Technologies & Solutions customer benefits sludge mixing systems Sequential Gas Mixing – High Solids AD Made Easy technology overview & applications • • • • High Solids digestion: 6-8% digester solids concentration Applicable in sewage sludge or biowaste digestion Suitable for new build or retrofit Installation in concrete or steel tanks optimize anaerobic digester assets • • • • • • > 90% active digester volume Higher biogas yield Effectively blend feeds with full dispersion < 2 hours Mixing energy input less than 2W/m No moving parts in the digester SUEZ backed Performance guarantee for mixing and active volume SUEZ backed Performance guarantee for mixing and active volume Find a contact near you by visiting www.suezwatertechnologies.com and clicking on “Contact Us.” *Trademark of SUEZ; may be registered in one or more countries. ©2017 SUEZ. All rights reserved.

AirMix* – Any Sludge Tank Mixed technology overview & applications • • • • • Mix thick sludges up to 8% TS Utilizes sequential air injection Sludge holding tanks & Post digestion storage tanks Circular or rectangular geometry Install in concrete or steel tanks simple cost-effective mixing • • • • • Guaranteed mixing > 90% of tank volume Eliminate needs for tank cleanouts Low net energy: Single 7.5kW drive Not susceptible to fibrous materials or ragging Low maintenance components, all external to tank Pump Mixing – Robust & Simple technology overview & applications • • Applicable for up to 6%...