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Bluewater Bio Design & Performance Comparisons HYBACS® 7 th July 2013.

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Presentation on theme: "Bluewater Bio Design & Performance Comparisons HYBACS® 7 th July 2013."— Presentation transcript:

1 Bluewater Bio Design & Performance Comparisons HYBACS® 7 th July 2013

2 ItemUnitHYBACS Additional oxidation ditch Saving Capital Cost 1 £ k % Operating Cost 1 £ k/year % Duration of site work 2 weeks % Embodied Carbon 2 t CO 2 e % Operational Carbon 2 t CO 2 e/year319467% Notes: 1 Severn Trent estimates, OPEX includes power, labour & business rates 2 Bluewater Bio estimates, using Environment Agency calculator HYBACS vs. AS Ditch (Ashbourne UK) 2

3 3 ItemSMART unitRBC Volumetric COD removal rate 15 times MORE than RBC 15 times LESS than SMART Unit PlatesMesh with 95% voidSolid Plate thickness2 inch0.4 to 0.6 inch Pitch distance of plates3.75 inch1 to 1.2 inch Rotational speedUp to 6 rpmUp to 2 rpm Type of treatmentBOD, N (P*)BOD, N Biological activityInside and surface of platesSurface of plates Mass transfer in plateConvectionSurface RAS recycle needed?YesNo Thickness of active biofilm1 inch≈ 0.01 inch * Secondary benefit – see Princeton Meadows data HYBACS vs. RBC 3

4 MeteorBioforDeniforHybacsCleargreenUltragreen BOD removal √√√√ Nitrification √√√√√ Denitrification √√√√√√ TSS removal √√√√ Capacity Upgrades √√√ Attached Growth √√√√ Suspended Growth √√√√ WWT Reuse √√√ High OPEX Savings √√ High Loadings, Compact Footprint √√√√√√ HYBACS vs. Various 4


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