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 HVAC
Applications:Problem: Evaporative cooling towers have the inherent side effect of being an air scrubber. As water cascades through the cooling tower, it becomes saturated with suspended solids (i.e. dirt, dust, organic matter and pollution). These solids are deposited throughout the cooling system where they can foul condensers, heat exchangers, and other process equipment. The result is an inefficient system with increased operating costs. Solution: A Puroflux filtration system, installed side-stream on the cooling tower basin or in the condenser water line will substantially reduce the volume of suspended solids without affecting or interrupting the operation of the cooling equipment. Benefits: Reduced fouling results in increased efficiency and energy savings. In addition, a clean cooling tower basin and condenser can decrease system maintenance. Typical systems installations have a payback period of less than two (2) years. Potable/Waste Water Applications: On city or well supplies, waste or recovery systems, where water quality is not adequate, Puroflux can design a filtration system that can provide the necessary results. Puroflux filters can be utilized as a primary filter to handle the removal of heavy particulate or as a pre-filter to polish filtration. Puroflux offers a wide variety of filtration medias that can be used to eliminate most contaminants. Process Applications: Industrial processes that involve the use of water whether for cooling, rinsing or wash-down will benefit from clean water. Often in these processes, the water becomes contaminated and is discarded. Puroflux engineers can review the process operation and design a filtration system that can help recycle and optimize water resources. Aquatic Features: Decorative fountains, amusement park water attractions and aquatic zoo habitats require high clarity and water quality. Filtration systems are a necessity for these applications. Puroflux can supply a filter specifically designed to suit any of these demanding applications. |
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Permanent media filtration has a distinct advantage over disposable bags, cartridges or hydrocyclone separators. Permanent media filtration is a positive filtering media that is easily back washed for cleaning. Puroflux filters utilize the finest media. This media can be used individually or combined to optimize filtration efficiency. Puroflux standard media physically removes particulate down to 5 micron and smaller. |
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| FILTER
OPERATION: Filtration Cycle Influent1 (wastewater or other liquid flowing into a treatment process) is directed through a series of valves into the over drain of the filter, where it is evenly distributed over the filtration media. It is then forced down through the media bed where the suspended particulate is trapped in the voids formed between the media. The clean effluent2 (wastewater or other liquid flowing from a treatment process) then passes through the under drain and is returned to the original source. As the voids in the media are filled, the filter will start to blind off. When the maximum differential pressure is reached, the filter will require backwash. |
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| FILTER
OPERATION: Backwash Cycle The filter is back washed by reversing the fluid flow through the filter. The backwash fluid is directed into the filter through the under drain and up through the media. As the backwash fluid moves through the media, it causes the bed to lift and separate. The tumbling action of the media causes a scouring effect which releases trapped particulate and suspends it in the backwash flow. The fluid then carries the particulate that is suspended up through the overdrain and out to waste. |
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Influent (IN-flu-ent). Wastewater or other liquid flowing into
a treatment process. |
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Engineered Filtration Systems
