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Wastewater Treatment Techniques for
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…is like selecting the correct go
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What’s your application? − Retu
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Sludge video #2
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Sludge video #4
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Viscosity • Viscosity, property o
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NEWTONIAN • Viscosity decreases w
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Municipal wastewater sludge • Mun
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What is the Rheology of the sludge?
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Laboratory & Field test results •
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Things we learned: • When designi
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• Hydraulic gradient • Pressure
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TR 185 h where, 2 V F K 2 g K= po
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Flygt’s Sludge Module within FLYP
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Types of pumps used for “Thickene
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What’s really important to WWTP?
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PD versus Centrifugal pumps • Pos
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Progressing Cavity Pumps
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Progressive Cavity Pumps A single h
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Failure points…
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Manufacturer’s of Rotary Lobe pum
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Failures…
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NON-CLOG PRODUCT FEATURES Tangentia
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Non-clog Pumps
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RECESSED IMPELLER or Vortex Spheric
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Centrifugal Screw Pump Vertical lea
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WEAR: Cast iron impeller & insert r
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FLYGT “Chopper” pumps Advantage
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Let’s talk clogging…
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…or these modern day clogging hea
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JEA - Jacksonville, Florida
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Oak Ridge, TN
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Summary If it flows, use gravity.
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• What’s really important to th
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But to properly select a pump, you
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Types of pumps used for sludge Plun
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PD vs. Centrifugal pumps • Positi
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Competing Technologies
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How does a Plunger pump work?
- Page 80 and 81: Easy to Maintain????
- Page 82 and 83: Advantages • Positive displacemen
- Page 84 and 85: New TWAS Pump • NT3102 - 5hp was
- Page 86 and 87: Manufacturers of Disk or Diaphragm
- Page 88 and 89: Operation sequence of Diaphragm pum
- Page 90 and 91: Do It Yourself with genuine Double
- Page 92 and 93: Midland, Texas - Diaphragm pump •
- Page 94 and 95: Manufacturers of “PC” pumps •
- Page 96 and 97: Advantages •Pressures to 400 psig
- Page 98 and 99: 6,000 5,000 4,000 3,000 2,000 1,000
- Page 100 and 101: Digester Recirculation • Digester
- Page 102 and 103: Rotary Lobe Pumps
- Page 104 and 105: ROTARY LOBE Advantages •Metered f
- Page 106 and 107: Replace RLP with Npumps • Custome
- Page 108 and 109: Screw Conveyor Pumps
- Page 110 and 111: Screw Conveyor Pump Manufacturers
- Page 112 and 113: Screw Conveyor Pumps
- Page 114 and 115: Screw Pump Replacement O’Fallon,
- Page 117 and 118: Cutter Pumps • Vaughan • Landia
- Page 119 and 120: Competitor’s pump
- Page 121 and 122: Weakness as perceived by the compet
- Page 123 and 124: Advantages • Heavy duty design
- Page 125 and 126: Flygt N-Pump Advantages •Solids H
- Page 127 and 128: Vaughan Chopper Replacement • Req
- Page 129: MACERATORS
- Page 133 and 134: Npumps do not require a Macerator!
- Page 135 and 136: For ALL Treatment Plant Pump Activi
- Page 137: THANK YOU! Paul A. Nelsen Market Ma
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