Cooling System Increases Cycles of Concentration with ACUMER TM 5000 Silica Dispersant Case Study Dow Oil, Gas & Mining Description of Systems Two evaporative condenser tower systems (rated at 500 tons each) were used to cool a large computer facility in San Joaquin Valley, California. One tower was kept as a backup to support continuous operation. Scale would deposit in the system if the water significantly exceeded the normal operating levels of 180 ppm SiO 2 and 480 ppm M-alkalinity. The original treatment formulation contained HEDP, benzotriazol and polymaleic acid with a supplemental feed of polyacrylic acid. Problem Due to severe drought conditions in the area, water was not readily available and existing water resources were reused to the maximum extent possible. But th

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