Testing of Commercial Defoamant to Control Anaerobic Digester ...

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Froth PotentialsStable and Unstable FrothStable froth is a better indicator froth severity Unstable froth produced during aeration may dissipate once aerationhas halted‘non-frothing’ to ‘severe frothing’ based on qualitative analysis oftest resultFroth Severity Rating SystemFroth Rating Stable Froth Unstable FrothNon-Frothing 0-0.1 0-1.0Mild Frothing 0.1-0.3 1.0-2.0Frothing 0.3-0.5 2.0-3.0Severe Frothing > 0.5 > 3.0
Defoamant TestingTest SetupDefoamant Test
Page 5 and 6: Filamentous Microorganisms How do t
Page 7 and 8: Chemical DefoamantsDefoamants alter
Page 9 and 10: Surface Tension TestingThe ability
Page 11 and 12: Toxicity Testing Methanogenic bacte
Page 13 and 14: ATA on FC Rel ® DefoamantFC Rel De
Page 15 and 16: Microtox Test on FC Rel DefoamantEC
Page 17: Frothing Potential TestsA visual in
Page 21 and 22: Dosing TestsFC Rel Defoamant Dosing
Page 23 and 24: Full-Scale Testing - Round 1 August
Page 25 and 26: Testing Setup
Page 27 and 28: Results - Round 1Prior to defoamant
Page 29 and 30: Full-Scale Testing - Round 2 Initia
Page 31 and 32: HP Full-Scale Defoamant Addition
Page 33 and 34: Defoamant Dose Test
Page 35 and 36: Conclusions and Recommendations Def

Testing of Commercial Defoamant to Control Anaerobic Digester ...

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