Disinfection of Gram-negative and Gram- positive ... - Dynaflow, Inc.
Disinfection of Gram-negative and Gram- positive ... - Dynaflow, Inc.
Disinfection of Gram-negative and Gram- positive ... - Dynaflow, Inc.
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Nozzle Pressure controls E coli <strong>Disinfection</strong><br />
DYNASWIRL ® nozzle, CFU/ml initial = ~1 x 10 8<br />
1.E+00<br />
1.E+01<br />
1.E-01<br />
1.E+00<br />
1.E-02<br />
1.E-01<br />
C/C0<br />
1.E-03<br />
1.E-04<br />
1.E-05<br />
1.E-06<br />
3.45bar<br />
2.1bar<br />
1.0bar<br />
C/C0<br />
1.E-02<br />
1.E-03<br />
1.E-04<br />
1.E-05<br />
1.E-06<br />
3.45bar<br />
2.1bar<br />
1.0bar<br />
1.E-07<br />
1.E-07<br />
1.E-08<br />
0 200 400 600 800 1000 1200 1400<br />
Cycles, N<br />
Cycle = Flow Rate x Time / Volume<br />
Optimal pressure = 2.1 bar (30 psi)<br />
1.E-08<br />
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9<br />
Energy(MJ)<br />
Hydraulic Energy from pump.<br />
Higher pressures require more energy<br />
but may not increase disinfection<br />
efficiency.<br />
www.dynaflow-inc.com ACS-AIChE 4-8-08
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