Cooling Tower Side Stream Filtration Calculation

For example if the total flow of a system is 1 200 gal min a 400 ton system a sidestream filter with a 120 gal min capacity is specified. Due to its outstanding ability to remove submicron particles vortisand filters are especially prized as a pretreatment step for reverse osmosis seawater desalination or ultrapure water production as a side stream filter cooling towers chilled and hot water loops or as a polishing filter after secondary clarifiers or. The technology evaluation assesses side stream filtration for cooling towers.

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Benefits of side stream and media filtration in cooling towers.

Cooling tower side stream filtration calculation.

The water is pumped from the cooling tower cold water basin through the side stream filtration system into the heat exchangers and chillers and then returned back to the cooling tower basin. Sidestream filtration as the name suggests refers to the partial filtering of liquid in a system. Make up water source is high in suspended solids iron biological and organic activity. This method involves removing particles at a higher rate than accumulation.

The basin water inventory may only be filtered and or side stream filters may be employed at the discharge of the cw recirculation pumps. Recirculating cooling water systems often experience sludge and solid build up. Modern day cooling tower systems have thus adopted side stream filtration of the water from the cooling tower. Various schemes can be implemented.

The evaluation provides a characterization of side stream filtration technology describes typical applications and details specific types of filtration technology. Filtered water is then pumped back into the main condenser line through a nozzle or re turned to the cooling tower basin called the sump. Vortisand filters can be used anywhere media filtration is considered. Choosing the right filtration side stream filtration system can yield significant savings.

Side stream filtration is an effective tool for the control of deposition and fouling in a cooling water system. Properly sizing a side stream filtration system is critical to obtain satisfactory filter performance but there is some debate over how to properly size the side stream system. Determining the proper type for your system includes examining various factors and filter media types. It is typical to size the side stream filter to continuously filter the cooling tower basin water at a rate equivalent to 10 of the total circulation flow rate.

In cooling water systems sidestream filtration is generally sized on 5 10 of the total cooling tower water flow rate. Cooling tower with side stream filtration examples technology characterization side stream filtration systems continu ously filter a portion of cooling water to remove debris and particles. System economics are also discussed providing an example project with life cycle. 6 signs your cooling tower requires a side stream filtration consider the following signs your facility requires a side stream filtration system.

What is sidestream filtration. Many engineers size the system to continuously filter the cooling tower basin water at a rate equivalent to 10 of the total circulation flow rate.