Designing and Commissioning an Ultraviolet Light Disinfection ...

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Accept<strong>an</strong>ce of Checkpoint BioassayExtrapolating from Successful Test (Run B)• Run B (0.6 mgd)• Average velocity = 26.7 mm/sec• Validated UV dose = 115 mJ/cm 2 @ 55% UVT• Three UV modules achieved validated dose• Run A (0.07 mgd)• Highest measured velocity = 19.2 mm/sec• Reactor residence time Run A > Run B
Accept<strong>an</strong>ce of Checkpoint BioassayConclusions• Run A UV dose > 115 mJ/cm 2 @ 55% UVT• Typical UVT in Warden UV Reactor > 65% UVT• Three modules delivers > 115 mJ/cm 2 @ 55% UVT• Three modules on at all times will deliver a validatedUV dose at flows up to 0.6 mgdWarden agreed to operate a minimum of three UVmodules at all times to ensure validated dose isdelivered at all times
Page 1 and 2: DESIGNING & COMMISSIONING AN ULTRAV
Page 3 and 4: Presentation Outline• Background
Page 6 and 7: Water Reclamation Facilities Warden
Page 8 and 9: Warden, WashingtonUV
Page 10 and 11: Warden, WashingtonWarden UV Disinfe
Page 12 and 13: Checkpoint BioassayWarden WRF Check
Page 14 and 15: Checkpoint Bioassay Test Flow Schem
Page 16 and 17: Checkpoint Bioassay Test Setup
Page 18 and 19: Checkpoint Bioassay Test Results
Page 20 and 21: Acceptance of Checkpoint BioassayVe
Page 22 and 23: Acceptance of Checkpoint BioassayAc
Page 26: Questions

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