How Kemira PAC Product Eliminates Microthrix Blooms

Operators at a Colorado plant beat back winter filamentous bacteria outbreaks by feeding a polyaluminum chloride solution.
How Kemira PAC Product Eliminates Microthrix Blooms
After 72 days of feeding Kemira FEX-208, the anoxic reactors are back to normal with no traces of Microthrix bacteria.

Winter blooms of Microthrix parvicella at the James R. Dilorio Water Reclamation Facility caused extreme slowing of the 30-minute solids settling rate. The increase from 100 to 300 sludge volume index (SVI) led to additional wasting and more solids to dewater.

The tangle of...

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