Testing of Commercial Defoamant to Control Anaerobic Digester ...

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Results – Stable Froth
Results – Round 1Prior to defoamant addition, both Digesters exhibitedsevere froth ratios Very similar values for bothAfter defoamant addition, Dig 2 stable froth ratiosignificantly lower than Dig 3 Dig 2 stable froth ratio still in ‘frothing’ to ‘severe frothing’ range Addition of defoamant prevented further increase (observed in Dig3)Dig 2 consistently lower in both stable and unstablefrothing potential Use of defoamant in Dig 2 resulted in a reduction in frothingpotential.
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 and 18: Frothing Potential TestsA visual in
Page 19 and 20: Defoamant TestingTest SetupDefoaman
Page 21 and 22: Dosing TestsFC Rel Defoamant Dosing
Page 23 and 24: Full-Scale Testing - Round 1 August
Page 25: Testing Setup
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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