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<br />\)~~ :r:;:o;, <br />L.. ._, uv'i <br /> <br />clarification in the SCR's. Softening is needed to reduce the <br />potential for scaling in the membrane elements. <br /> <br />When treating Colorado River water this same partial lime <br />softening process could be utilized, or equipment could be <br />installed to utilize an aluminum sulfate (alum) process to <br />facilitate the clarification. Table 3 is a comparison of the two <br />chemical processes. <br /> <br />~' <br /> <br />""',' <br /> <br />18 <br />