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Anaerobic Digestion Mixing Products

Anaerobic Digestion Mixing Products

Product catalog summary

Customer Benefits
Sludge mixing systems offer significant advantages, including high solids digestion with 6-8% digester solids concentration. These systems are applicable for sewage sludge or biowaste digestion and are suitable for both new builds and retrofits. They can be installed in concrete or steel tanks.

Optimizing Anaerobic Digester Assets
The systems ensure more than 90% active digester volume, leading to higher biogas yield. They effectively blend feeds with full dispersion in less than 2 hours, with a mixing energy input of less than 2W/m3. The design includes no moving parts in the digester, and SUEZ provides a performance guarantee for mixing and active volume.

Sequential Gas Mixing
This technology allows for mixing thick sludges up to 8% total solids using sequential air injection. It is applicable for sludge holding tanks and post-digestion storage tanks, with installations possible in both circular and rectangular geometries in concrete or steel tanks.

Simple Cost-Effective Mixing
The system guarantees mixing of more than 90% of the tank volume, eliminating the need for tank cleanouts. It operates with low net energy using a single 7.5kW drive and is not susceptible to fibrous materials or ragging. The components are low maintenance and external to the tank.

Technology Overview & Applications
The technology is applicable for up to 6% dry solids and is ideal for tanks and digesters with low aspect ratios. It is suitable for retrofit applications and can be installed in concrete or steel tanks. The design is validated through CFD modeling, ensuring guaranteed mixing of more than 90% of the tank volume. Equipment is ground-mounted for easy access and maintenance.

Industry Familiarity
The AirMix and Pump Mixing systems are robust and simple, with proven reliability and performance across more than 300 mixing sites.

Catalog excerpts

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.

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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%...

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Anaerobic Digestion Mixing Products

Anaerobic Digestion Mixing Products

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