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Cost Effective use of UV-Peroxide for Geosmin and ... - Ohiowater.org

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<strong>UV</strong>-OXIDATION – OPERATIONAL PHILOSOPHY<br />

‣ More <strong>UV</strong> is required <strong>for</strong> T&O control than <strong>for</strong> disinfection<br />

‣ For T&O events, more <strong>UV</strong> lamps are turned on <strong>and</strong> H 2 O 2 is injected<br />

upstream <strong>of</strong> the <strong>UV</strong> chamber<br />

‣ T&O events typically last <strong>for</strong> only a limited time – remainder <strong>of</strong> year<br />

can be in disinfection mode or turned <strong>of</strong>f.<br />

‣ <strong>UV</strong> system located post-filtration increases efficiency due to improved<br />

<strong>UV</strong> transmittance<br />

‣ Treatment occurs nearly instantaneously inside the reactor<br />

H 2 O 2<br />

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