cooling water scale Articles

  • Cooling Tower Blowdown Water

    Comparison of electrolytic oxidation v. ozone as biocide and reducing rate of TDS build-up in Cooling Tower Blow Down Water. Performed by Pureflow PtY Ltd of Singapore at Singapore Polytechnic Institute. Open evaporative cooling systems have been widely used throughout industry to remove heat from process systems and modern buildings for the purpose of air conditioning. As a result, due to this ...


  • Industrial cooling water fouling by Dreissenidae

    Together with the cooling water, a wide range of living organisms is entrained into cooling water systems, which can readily colonise the available surfaces in the system. Growth conditions in the cooling water system often are ideal for sessile organisms: the steady water flow assures abundance of nutrients and oxygen, while access for predators is limited. The consequence of this is that ...


  • Application of Ozone in Cooling Water Systems

    The first comprehensive study - bench-top laboratory investigations, pilot scale testing, and critical monitoring and evaluation of field applications - addressing the effects of ozone as a stand-alone cooling water treatment program is presented. The study also represents the first critical comparison of ozone-treated systems with non-treated systems. Excellent corrosion control can be attained ...


    By Absolute Systems Inc.

  • One year full-scale study of Ozone Cooling Water Treatment at a German Electric Power Station

    This paper presents the operating results of ozone treatment of the water in a cooling system with an open loop containing the following elements: Main cooling water pumps Cooling water storage tanks Distribution manifold to cooling water users Cooling water collecting basins Cooling water recycling pumps Cooling tower The system ...


    By Absolute Systems Inc.

  • One Year Full-Scale Study of Ozone Cooling Water Treatment at a German Electric Power Station

    This paper presents the operating results of ozone treatment of the water in a cooling system with an open loop containing the following elements: • Main cooling water pumps• Cooling water storage tanks• Distribution manifold to cooling water users• Cooling water collecting basins• Cooling water recycling pumps• Cooling tower The system reviewed in this paper is the side stream ...

  • Utilization of artificial recharged effluent as makeup water for industrial cooling system: corrosion and scaling

    The secondary effluent from wastewater treatment plants was reused for industrial cooling water after pre-treatment with a laboratory-scale soil aquifer treatment (SAT) system. Up to a 95.3% removal efficiency for suspended solids (SS), 51.4% for chemical oxygen demand (COD), 32.1% for Cl− and 30.0% SO42− were observed for the recharged secondary effluent after the SAT ...


    By IWA Publishing

  • Chiller & cooling tower water treatment - case study

    Overview There are three main challenges for treating cooling water in both open and closed loops: scale, corrosion and biogrowth. Water System Challenges The traditional chemical treatment calls for chemicals to deal with these challenges. When scale is present, the condenser’s ability to transfer heat is reduced, causing higher pressure and higher ...

  • Pulse-Power Water Treatment Systems for Cooling Towers

    Untitled Document Introduction “Pay me now or pay me later…” It’s ...


    By Dolphin WaterCare

  • Ultrasonic technology in cooling towers

    Ultrasound technology is an effective and environmentally friendly method to minimise chemical consumption and improve the efficiency of a cooling tower, says Ander Paz Blazquez. Low-intensity ultrasound has been used for more than a decade in order to control algae and biofilm growth. Latest innovations have concluded that effective algae control is achieved through the use Ultrasound ...


    By LG Sonic

  • "A Non-Chemical Water Treatment for Cooling Towers"

    Untitled Document Introduction This paper will describe a case study of a ...


    By Dolphin WaterCare

  • Combined effect of constant high voltage electrostatic field and variable frequency pulsed electromagnetic field on the morphology of calcium carbonate scale in circulating cooling water systems

    Research on scale inhibition is of importance to improve the heat transfer efficiency of heat exchangers. The combined effect of high voltage electrostatic and variable frequency pulsed electromagnetic fields on calcium carbonate precipitation was investigated, both theoretically and experimentally. Using energy dispersive spectrum analysis, the predominant phase was found to be CaCO3. The ...


    By IWA Publishing

  • Controlling scale in water systems helps prevent legionella

    The Legionella bacterium, Legionella Pneumophila (LP), the fundamental agent of Legionnaire’s Disease, is a water-based organism, which causes infection when inhaled in an aerosol form. Legionnaires' Disease acquired its name in 1976 when an outbreak of pneumonia occurred among persons attending a convention of the American Legion in Philadelphia. Later, the bacterium causing the illness ...

  • Cooling Systems: Increased Costs from Mineral Scaling and Biological Fouling - Case Study

    Mineral scaling and biological fouling are two of the most common problems associated with watercooled systems, and the costs from these issues can be enormous. By understanding how these issues affect cooling water systems, and their associated cost drivers, facility managers can make informed decisions on proper scale and biological fouling control. Scale Definition ...


    By Innovas Technologies LLC

  • Scale removal - Case Study

    Water Cooling Towers Operate at Better Efficiency and Lower Maintenance Costs with KDF Water Filter Media "As Seen in Water Quality Products" At TowerKlean™ LLC... KDF Water Filter Media Help with Scale, Algae, Chlorine and Heavy Metal Removal from Water Scale... it's a vicious never-ending problem that can kill the overall efficiency of water-cooling systems or ...


    By KDF Fluid Treatment, Inc.

  • RYDALL CC dissolves scale on A/C coils keeping students and staff cool case study

    The air conditioning system at a school was experiencing problems when the normally cool spring temperatures increased to mid-summer levels.  The coils on its air conditioning units were clogged with dust, dirt and other debris. RYDALL CC  approach 4 gallons diluted (2:1), foamed onto coils and rinsed off with water. RYDALL CC results ...

  • Biofouling in cooling basin - Case Study

    Al Futtaim Cooling district plant incorporated the LG Sonic technology into their chemical treatment program to reduce the biocide consumption in the cooling towers and improve the water quality. The Challenge: Prevent Biofouling and Reduce Chemical Dosage Reduce chemical dosage for water treatment and at the same time controlling factors that may cause problems such as ...


    By LG Sonic

  • Process cooling in Singapore case study

    Chemical free Scale and Legionella prevention by Fluid Dynamics Introduction The client, Sunstream International is a company specialising in plastics sheet extrusion. Sunstream were installing a new extrusion line in their existing factory. The line has two chillers and a 50RT cooling tower positioned on the roof space. Space was at a premium and also previous ...

  • How to Save with Cooling Tower Credits

    Cooling towers dissipate heat from recirculating water used to cool chillers, air conditioners, or other process equipment to the ambient air. Heat is rejected to the environment from cooling towers through the process of evaporation. Therefore, by design, cooling towers use significant amounts of water. The thermal efficiency and longevity of the cooling tower and equipment depend on the proper ...


    By WaterSignal

  • Treated vs. Untreated Cooling Tower Water: Risks for Your Plant

    When an industrial plant or building decides whether or not to invest in a cooling tower water treatment system, it is a decision that shouldn’t be taken lightly. Petrochemical plants, chemical manufacturers, refineries, and all kinds of large buildings and facilities using cooling towers, whether they’re used as part of the industrial process or for cooling/removing heat from the ...


    By SAMCO Technologies, Inc.

  • Hydrodynamic Cavitation Pilot Study for Controlling Cooling Water Quality

    A field study was conducted on a cooling-tower system at an automotive manufacturing facility to evaluate the performance of a VRTX hydrodynamic cavitation device for disinfection, scaling, corrosion, and heat-transfer efficiency.Primary findings are:The VRTX unit performed as well as the chemical program that it replaced in terms of bacterial control without adding any chemicals (including ...

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