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Water Treatment Systems . . . LOW MAINTENANCE REQUIREMENTS LOW OPERATING COSTS Lifting a lever backflushes the filter thereby cleaning the The simple push-button operation together with the self-regulating filter media. nature of the system,and the auto shut-off feature,results in limited operator Involvement The Alkota Sand Filtration Systems are specially designed through the plates collecting in the chamber at the bottom for use with high pressure washers and steam cleaners. of the coalescing tank. Free oil rises to the top of the Dirty, oily water is brought into the coalescing tank from tank where it is removed by the adjustable oil skimmer. the sump. The waste stream twists through the oil The waste oil flows from the coalescer tank into a suitable attracting coalescer plates. As the oil droplets and sediment container. The partially clarified waste stream falls under hit the plates, they combine with other droplets forming gravity to the treatment tank. larger globules and speeding up the separation process. Sediment is heavier than the waste stream so it drops From the treatment tank it is continuously pumped through the sand filter and back to the process tank. As the water circulates, the sand filter removes more and more of the remaining sediment. As the water in the process tank recirculates through the filter, it becomes cleaner and cleaner. When water is required for cleaning purposes, water is sent from the treatment tank through the final polishing filter. This filter takes out contaminants down to 20 microns in size. As this system does not remove emulsified oils, chemicals, or other solubles it is recommended that fresh water be brought in for rinse operation. Ultrafiltration or activated carbon canisters are available if emulsified oils and chemicals do need to be removed. 9 10 12 MODEL CSF TSS tt