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Hyperboloid Mixing—Pilots and Installations1. Bowery Bay WPCP, NYC• Two parallel anoxic zones (2 mixers) werecompared to submersible mixers in 2004• Lead to installation of 92 units total at 150 mgdfacility in 20072. Blue Plains WWTP, Washington DC (370 mgd)• Six mixers in anoxic zones in 2008• By 2012, 170 mixers installed totalNC Water AWWA JAM WEA 2010 2011Bowery Bay WPCP, NYCIFAS Pilot at TZO WRF, Greensboro NC
Hyperboloid Mixing – With Air SpargerMixerSpargerBoat Harbor TP Invent installation, HRSDNC Water AWWA JAM WEA 2010 2011
Page 1 and 2: Mixing Alternatives Evaluation and
Page 3: AgendaI. Why mix in BNR basins?II.
Page 8 and 9: Jet MixkLa SystemsTZO WRF Mixing Pu
Page 12 and 13: Big Bubble Mixing§ Components:§ C
Page 14 and 15: Big Bubble MixingNozzlesAirHeaderAc
Page 16 and 17: Cost Evaluation Assumptions§ All c
Page 18 and 19: Results: Net Present Worth$14,000,0
Page 20 and 21: Results: Energy Consumption1.57 72H
Page 22 and 23: ReferencesNC Water AWWA JAM WEA 201
Page 24 and 25: Water JAM 2010 2011Questions

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