Designing and Commissioning an Ultraviolet Light Disinfection ...
Designing and Commissioning an Ultraviolet Light Disinfection ...
Designing and Commissioning an Ultraviolet Light Disinfection ...
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Accept<strong>an</strong>ce of Checkpoint BioassayIssues• Non-ideal hydraulics evident from velocity testing• Successful checkpoint bioassays at 3 higher flows• Achievement of Class A Coliform Levels > 2 year• > 65% UVT typical for Warden WRF filtered effluentexceeds NWRI test conditions (55% UVT)• Reactor hydraulic residence time higher at low flows• Comparison to UV reactors at other Class A WRFs• ~10 x larger (8,423 gal/mgd vs 860-940 gal/mgd)• ~3 x power draw (33.0 kW/mgd vs 10-12 kW/mgd)
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