PROCESS BENEFITS OF SEQUENTIAL LARGE BUBBLE VERTICAL MIXING LARRY L. BELL V.P. SALES PULSED HYCRAULICS INC.
BNR BASINS: AERATED & ANOXIC
WHAT IS LARGE BUBBLE VERTICAL MIIXNG? • THE PERIODIC INJECTION OF COMPRESSED AIR INTO THE BOTTOM OF A TANK TO CREATE BUBBLE MASSES > 6 “ IN DIAMETER. • THE BUBBLE MASSES RISE TO THE SURFACE PULLING LIQUID AND SOLIDS IN THEIR WAKE. • LARGE CONVECTION CELLS ARE CREATED THAT SCOUR THE SIDE WALLS AND BOTTOM OF THE TANK.
CATERPILLAR – PEORIA, IL
PICKENS, SC WWTP ANOXIC ZONES
ANCILLARY BENEFITS OF LARGE BUBBLE MIXING IN BNR BASINS ENERGY – EFFICIENT MIXING • LOW MAINTENANCE • PREVENTS SEDIMENT ACCUMULATION • INCREASES ACTIVE TANK VOLUME • ELIMINATES SEPTICITY • IMPROVES SOLIDS CONTACT IN BASINS • IMPROVES OXYGEN TRANSFER IN OXIC ZONES • INCREASES BIOLOGICAL ACTIVITY • REDUCES SOLIDS LOADING RATE TO SECONDARY CLARIFIERS • REDUCES RAS PUMPING REQUIREMENT • REDUCES FILTER LOADING AND BACKWASH • REDUCES CHLORINE DEMAND OR UV ENERGY DEMAND •
Horizontal Mixers Stir
Enhance Oxygen Transfer Efficiency by Recirculating Fine Bubbles Back Down
Anoxic Mixing & Aeration Enhancement : Seeing Is Believing
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