Application of Ultraviolet Radiation to Control the Calcium Carbonate Scale Formation and Deposition on the Membranes

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Water sample</td><td class="align_center"><i>f</i>(<i>s</i>)</td><td class="align_center"><i>R</i> (×10<sup>−8</sup> mol<sup>−2</sup>s<sup>−1</sup>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Untreated</td><td class="align_center">1.05</td><td class="align_center">7.36</td></tr><tr><td class="align_left">Hydrex 4102</td><td class="align_center">0.92</td><td class="align_center">4.22</td></tr><tr><td class="align_left">385 nm</td><td class="align_center">0.92</td><td class="align_center">1.87</td></tr><tr><td class="align_left">265 nm</td><td class="align_center">0.68</td><td class="align_center">1.12</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rate of calcium carbonate crystal growth for UV-treated and UV-untreated water.</div>

Journal of Chemistry

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Table 2

Table 2: Application of Ultraviolet Radiation to Control the Calcium Carbonate Scale Formation and Deposition on the Membranes 