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How Effective Is Cooling Tower Blowdown Water Treatment?

The use of wastewater and process water in industrial units has become increasingly important in the past few years because of the growing needs of cost reduction as well as reduction of the water footprint. And as the industrial world continues to move fast into the future, recycling of water will always remain a topic of discussion. Techniques and methods that can assist industrial units in efficiently recycling water are now being preferred more frequently. 
cooling tower blowdo

There is no denying the fact that cooling towers is the single largest water consumer in a cooling system. To make matters worse, many of these units are located in areas where pretreated city water is not available. This is why re-utilization of cooling tower blowdown water or cooling tower blowdown water treatment has become a topic of such global significance.

High solids content and dissolved heavy metals are the characteristics of cooling tower blowdowns. Pretreatment with additives to precipitate heavy metals out of the blowdown discharge is a common practice. FSI’s WTS (Wastewater Treatment System) is specifically designed to process such challenging water containing high solids, including colloidal solids (suspended sub-micron solids). The features of the system include: 1) providing filter high flux rate – typical operation flux rate 300 - 500 liter per square meter per hour (LMH), 2) handling high solids concentration and particle size – up to 5% by weight, 3) requiring minimum pretreatment, and 4) requiring low maintenance with a built-in back-wash for membrane filters. This results in an efficient and reliable system. FSI also provides laboratory and field pilot testing to ensure an appropriate design is viable for the application.