Landia Offers an Innovative Approach to Mixing Biosolids in Digesters

An automated mixing system helps an Illinois treatment plant improve biogas production and increase volatile solids destruction

Landia Offers an Innovative Approach to Mixing Biosolids in Digesters

Sam Tatulli, left, biosolids mechanic, and Nick Menninga, general manager, adjust the Landia GasMix equipment via the SCADA system. 

Operators at the Downers Grove (Illinois) Wastewater Treatment Center worked for four years with the vendor to repair the compressor on the gas recirculating mixing system in Primary Digester No. 1.

“The compressor ran, but it wouldn’t move any gas,” says Nick Menninga, the...

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