A NW Ohio Community serviced and fully cleaned one of its Anaerobic Digesters in late 2011 / early 2012 as required for maintenance and proper operation. The facility is a trickling filter plant consisting of primary clarifiers, trickling filters and final clarifiers. The Digester was placed back in service and seeded with anaerobic sludge from the other digester and started back up. It became apparent that a lack of Methanogenic bacteri

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