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• trench or bed area is 840 sq. ft. A Rio Blanco County permit was <br />obtained for the sewage disposal system. <br />Cooling Water System <br />A cooling tower and distribution system was constructed for <br />process cooling requirements. Principle use will be to cool the <br />heat exchanger feeding crystallizer No. 4. <br />The cooling tower for Phase I will handle about 1,000 gpm of <br />cooling water with a design inlet of 90°F. <br />A system will be provided to chemically treat the cooling water to <br />prevent scaling and/or bacteria growth in the cooling water <br />system. The cooling water blowdown system drains to the waste <br />• pond. <br />Hot Glycol/Water Generation and Distribution <br />Gas-fired package boilers provide a medium temperature hot glycol <br />solution (MTHW) for process heating. Principle uses include <br />heating barren liquor and wash water. <br />The heating solution will be a 50$ propylene glycol such as <br />Dowfrost HD or equal. Make-up will be from premixed solution <br />drums. <br />Curbs and floor drains are provided around the heaters and pumps <br />to contain any spills. Floor drains are routed to the waste pond. <br />• <br />14 <br />