Testing of Commercial Defoamant to Control Anaerobic Digester ...
Testing of Commercial Defoamant to Control Anaerobic Digester ...
Testing of Commercial Defoamant to Control Anaerobic Digester ...
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Application Guidelines (general)<strong>Digester</strong> Dosage is typically 5 ppm (based on <strong>Digester</strong> Volume) Higher initial dose <strong>to</strong> get concentration up in digester. Recommended continuous feeding during periods <strong>of</strong> problematicfoaming Feed Point: Recirculation loop (optimal), also Sump wells (post-clarification) <strong>Digester</strong> sampling ports Sludge feed Need <strong>to</strong> ensure adequate mixingAeration Tank Ideal if defoamant can be sprayedon <strong>to</strong> surface <strong>of</strong> foam (i.e. ESDs)