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Aspe Presentation 02 17 09
1. Ozone Water Treatment Application and Design American Society of Plumbing EngineersSeminar 19 February 2009 Anthony Sacco Spartan Environmental Technologies, LLC 440-368-3563 [email_address] www.SpartanWaterTreatment.com
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7. Ozone Generators 500 lb/day Ozone Generator Water Cooled 5 lb/day Air Cooled Ozone Generator
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9. Ozone disinfects by destroying cell structure of bacteria, viruses, cysts and parasites:
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11. Ct Values (mg x min./L) For 99.9 % Inactivation of Giardia and 99.99%Virus Taken from: “Optimizing Water Treatment Plant Performance Using Composite Correction Program.” prepared by Process Applications, Inc., for the U.S. EPA, Office of Drinking Water, Cincinnati, Ohio. Data for 5°C
22. Components of an Ozone System Feed-Gas Supply Options (Select 1) Ozone Generator Power Supply Unit O 3 % wt Flow Meter Ozone Generation Blower O 3 Destruct Off-Gas Flow Control Valve M Ozone Contacting Options (Select 1) Flow Meter Ambient Air Supply Air O 2 Purchased LOX CRYO O 2 System PSA O 2 System VPSA O 2 System Moisture Removal System O 2 O 2 O 2 Injection Ozone Contactor Bubble Diffuser Ozone Contactor
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25. From Air to Oxygen: Pre-1987, 1987 to 1993 and Post 1993 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 11 12 Ozone Concentration, %wt Specific Energy, kWh/lb Low Frequency Air-fed Medium Frequency Air-fed Medium Frequency Oxygen-fed Medium Frequency High Efficiency Oxygen-fed 2.2 6.6 8.8 13.2 17.6 15.4 10.0 4.4 kWh/kg
30. Ozone Dissolution Options Historically, the most common ozone contacting option Bubble Diffuser Side Stream For many reasons, the side stream option is becoming more popular today High Efficiency Venturi Injectors o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o - - - - Ozone Water Flow G L
31. Option 1 - Designed to maximize ozone transfer within the side stream flow From Ozone Generators Sidestream Pump Degas Vessel Venturi Injector Liquid Trap M Heater Ozone Destruct To Atmosphere FM M Check Valve Pressure Control Gas flow control valve Fail-close Shut-off Valve M P s High Pressure Switch Pressure Control (Optional) Water Flow FM Mixing-enhancement nozzles P P P P P P P P
32. Option 2 - Designed to utilize ozone contactor for ozone transfer assistance From Ozone Generators Sidestream Pump Venturi Injector Liquid Trap M Heater Destruct To Atmosphere FM M Check Valve Gas flow control valve Fail-close Shut-off Valve M P s High Pressure Switch Water Flow FM Mixing-enhancement nozzles P P P P P P G L
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35. International Ozone Association www.io3a.org Joint IOA & IUVA Conference 04 – 06 May 2009 Boston, MA Anthony Sacco Spartan Environmental Technologies, LLC 440-368-3563 [email_address] www.SpartanWaterTreatment.com
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