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cooling water system Applications

  • Water treatment for cooling towers

    Controlling and preventing the growth of microorganisms in a cooling tower is extremely important and required to keep the system running at optimal levels. The presence of microorganisms will cause the system to breakdown and decreases the efficiency of the heat transfer. Typically oxidizing biocides such as chlorine and bromine have been used to treat cooling water. Unfortunately these chemicals are highly reactive with other chemicals and microbiological species found in the water. Chlorine dioxide however is very non-reactive to other compounds found in the water and retains biocidal efficacy. Likewise it is also a superior chemical for removing the biofilm, which leads to the most predominant problems that all cooling towers face.

    By Applied Oxidation LLC based in Chattanooga, TENNESSEE (USA).

  • Industrial and commercial water filtration for heating / cooling systems

    Heating or cooling systems, conventional or alternative, involve water. Over time that water picks up particles which in extreme cases can silt up entire heating systems, requiring expensive maintenance, repair or even replacement. A build-up of solids no thicker than a human hair inside pipework can reduce heat transfer by up to 30%, drastically reducing efficiency and increasing energy consumption.

    By Hydro-Gen Engineering Ltd based in Widnes, UNITED KINGDOM.

  • Microbial testing in cooling water system industry

    Superior reliability for superior control! Biocide treatments are essential to control microbiological growth in cooling systems. If not properly managed, the warm environments of cooling systems are ideal for the growth of microorganisms. As microorganism communities grow in cooling systems, they can attach to pipe walls and form biofilms. These biofilms pose serious risks, from human health risks like Legionnaire`s disease to reduced operating efficiency and eventually to equipment failure via microbiologically influenced corrosion (MIC).

    By LuminUltra Technologies Ltd. based in Fredericton, NEW BRUNSWICK (CANADA).

  • Cooling systems for filtration

    The installation of AZUD filtration equipments allows the reduction of the total solids in suspension in the water, and:

    • Helps to maintain an optimal efficiency of energy in the heat interchange process.
    • Reduce the accumulation of particles in the components of the cooling systems.
    • Reduce the growing of microorganisms. The higher or lower proliferation of these microorganisms is directly linked to the
    • higher or lower availability of organic nutrients which favour the development of the same.
    • When reducing the total quantity of suspended solids it is improved the efficiency in the application of chemical products to the treatment of water.
    • Decrease the frequency of maintenance labours.

    By Sistema Azud, S.A. based in Alcantarilla, SPAIN.

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    Industrial solutions for cooling water contamination

    Problem: Large quantities of water are used for cooling in industrial manufacturing. To prevent scaling, corrosion and biofilm in the cooling system, inhibitors and biocides are regularity dosed. Make-up water is continuously added to the system to balance the loss of water from evaporation. As water is added, the concentration of chemicals is diluted and the quality of water changes.

    By Real Tech Inc. based in Whitby, ONTARIO (CANADA).

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    Chemical Water Treatment for cooling and processing water

    An optimal heat transfer is the most important point in every water cooled process. Scale, corrosion and biofouling negatively affect the heat transfer. Therefore Kurita develops for cooling and process water systems customized solutions, based on the combined treatments of scale & fouling prevention, corrosion inhibition, and biocides.

    By Kurita based in Ludwigshafen, GERMANY.

  • Water quality monitoring systems for cooling water treatment industry

    A number of treatment products are often added to prevent corrosion, scaling and fouling. Coating of sensors and other effects of these products must be taken into account when selecting analyzers. Discharge monitoring needs special attention because zero measurements must be reliable over time with little maintenance.

    By SWAN Analytische Instrumente AG based in Hinwil, SWITZERLAND.

  • Cooling Towers and Process Water System Cleaning Applications Using Hydrogen Peroxide

    The unique properties of hydrogen peroxide (H2O2) make it a good technology for keeping cooling loops, process water loops and heat exchangers clean from fouling that can occur due to various contaminants in the water. Hydrogen peroxide works well in removing organic fouling on surfaces through mechanical means and in specific applications through biocidal mechanisms. Hydrogen peroxide can be used in a shock treatment mode where it is fed based on a timer set-up. It can also be used occasionally at higher concentrations for maintenance cleaning purposes of fouled heat exchangers, cooling water loops and process water loops. Performing an occasional shock cleaning of a heat exchanger with hydrogen peroxide can remove buildup from surfaces and can result in improved heat transfer efficiency. By removing surface fouling, hydrogen peroxide may also improve the efficiency of other biocides such as bleach, bromine and non-oxidizers.

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

  • Innovative Pump Technology for Cooling and Refrigeration Industry

    Transporting cold liquids in cooling and refrigeration systems places high requirements on the pump used. For reliable, constantly high pump performance the pump has to be designed accordingly, dimensioned specifically for the application and fitted with special equipment for the low temperatures.

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    Cooling & Drinkingwater: ATP monitoring of biomass growth in waters

    Monitoring Biomass in (Cooling Tower) Waters through ATP monitoring

    The TOXcontrol can be used for ATP monitoring. Currently our company is doing research for further developments for this application on the TOXcontrol.

    Monitoring the microbial population of cooling towers is necessary in order to maintain the proper operation of the system. Conventional methods for monitoring microbial populations work by culturing microorganisms, a time-consuming procedure that requires days or even weeks of incubation before the results are known. Biofouling can be well-advanced before treatment begins. In addition, it is believed that this technique does not detect the full range of microbial life present in cooling systems.

    By microLAN On-line Biomonitoring Systems based in Waalwijk, NETHERLANDS.

  • DOCUPAK LLC REDUCES COOLING TOWER CHEMICAL USAGE BY A THIRD

    Docupak LLC, a full service marketing company headquartered in Alabaster, Alabama, has reduced chemical usage by a third and removed all scale from its cooling tower at its plant after installing the patented, award-winning Scalewatcher computerized, electronic water-conditioner from Scalewatcher North America. In addition there are no longer signs of algae growth on the cooling tower louvres. Founded in 1998, Docupak, the operating name of Document and Packaging Brokers Inc., develops and distributes materials for businesses nationwide. In addition to its headquarters in Alabaster, Alabama, the company also operates a further plant in Alexandria, VA and has sales offices in Atlanta, Chicago, Cincinnati, Dallas, Los Angeles, Tampa and Washington, D.C. Aware that health agencies continually draw attention to the risks of limescale and algae in cooling towers and wanting to reduce the use of chemicals in the cooling tower, Plant Manager, Anthony Kinstley decided to install the Scalewatcher electornic water-conditioner through local dealer, Al Chatham of Water Processing and Well Supply in Harpersville, Alabama. An industrial Scalewatcher was installed on to the water-feed line to the building and then a further unit was specifically fitted on to the recirculation line of the cooling tower. “Since using the system the scaling on our cooling tower has been eliminated and we currently use only a third of the original chemicals intended for the water treatment within our system”, said Anthony Kinstley. Many air conditioning and refrigeration plant systems are water-cooled. The heat generated by cooling coils is removed by water, which is passed through a water-cooling tower. These are recirculating systems, which operate at temperatures ideal for bacterial and algae growth, and have plentiful supplies of nutrients. In cooling towers, temperature, water hardness, pH, scale and corrosion are all factors, which increase the chance of biofilms, algae and Legionella colonization. The environmentally friendly Scalewatcher provides a permanent solution to hard water problems without the need of chemicals, salt or maintenance. It works by producing a varying electronically applied force field, induced by a coil wrapped around the outside of the pipework, which keeps the minerals in suspension and thus prevents limescale forming. The water’s increased solubility enables it to dissolve existing scale, which is gradually washed away. “Scalewatcher has proven itself to be highly effective. I would highly recommend this product and service without limitation,” concluded Antony Kinstley. Scalewatcher models are based on continuous research and over 25 years experience and expertise as market leaders in electronic scale control with countless units sold worldwide. The patented Scalewatcher systems are capable of treating pipe sizes from one to 120 inches. All Scalewatcher systems come with a full performance guarantee and are shipped throughout North America.

    By Scalewatcher North America Inc. based in Oxford, PENNSYLVANIA (USA).

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    Water Monitoring and Flow Measurement Systems for Hydrology

    In recent years acoustic flow measurement and flow metering has established itself as the standard method for measurement in many hydrological stations but is also used as the basis for various applications, for example for flood protection and flood forecasting. Ultrasonic flow meters are also used in hydro-engineering constructions. With this almost contact free technology data can be recorded continuously and it provides 24/7 monitoring. Such flow monitoring is particularly important in waterways used for shipping, transportation, irrigation, drainage and for cooling water extraction of power plants. A further important use of transit-time open channel flow meters is the transportation of water used for the supply of drinking water. Here the focus lies on detecting the flow rate of water loss at an early stage as it is sometimes difficult to detect small leakages.

    By HydroVision GmbH based in Kaufbeuren, GERMANY.

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    Chemical Water Treatment for cleaning

    Deposits in water systems, especially in heat exchangers, result in a significant heat transfer reduction, in low efficiency and a loss of cooling capacity. Some systems, after long operational periods without any water conditioning or with inadequate treatment, need cleaning. Therefore Kurita Water Solutions proposes acidic, alkaline and neutral cleaners to remove deposits, scale, fouling, dirt, grime or impurities.

    By Kurita based in Ludwigshafen, GERMANY.

  • Industrial and commercial water filtration for canal/river/sea water filtration

    When considering filtration methods, many industries use alternative water sources such as river, borehole, canal or sea-water extraction as a low cost solution for cooling water and various other operations on-site. Although water extraction is a low cost option the water can be of low quality and can cause problems and damage to the system, meaning more resources, time and expense in fixing the problem.

    By Hydro-Gen Engineering Ltd based in Widnes, UNITED KINGDOM.

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    Process water treatment

    Process water covers the wide range of boiler feed water, cooling water for heat exchangers or engine, chemicals dilution, etc. It should typically have a conductivity ranging from 0,1 to 50 uS/cm, with little to no hardness to avoid scaling in heating system. Oxygen and carbon dioxide should be removed to prevent corrosion. Depending on your application, the water quality requirements can vary: Boiler feed water characteristic. Cooling water quality. Tap water or fresh groundwater are the most widely used source of water to produce process water.

    By Lenntech Water Treatment based in Delft, NETHERLANDS.

  • Automated solutions for the power plant inlet water dredging

    Liquid Waste Technology’s dredging systems are used for power plant cooling water dredge applications. LWT’s dredges are designed to remove the sand, silt and sediment that build up in reception ponds and inlet channels to power plants. Each dredging system is custom built for the inlet water application, including the level of automation, removal rate and dredging depth required for each job.

    By Liquid Waste Technology LLC (LWT LLC) based in New Richmond, WISCONSIN (USA).

  • Industrial and commercial water filtration for bore-hole intake

    When considering filtration methods, many industries use alternative water sources such as river, borehole, canal or sea-water extraction as a low cost solution for cooling water and various other operations on-site. Although water extraction is a low cost option the water can be of low quality and can cause problems and damage to the system, meaning more resources, time and expense in fixing the problem.

    By Hydro-Gen Engineering Ltd based in Widnes, UNITED KINGDOM.

  • US Peroxide Rapid Response

    US Peroxide (USP) is uniquely positioned to rapidly respond to your environmental treatment challenges. USP combines experienced applications and equipment field support with a large inventory of storage systems and pumping modules to respond quickly to time sensitive water and wastewater treatment situations. Advantages With considerable inventory of tank and pump systems as well as our partnerships with leading chemical suppliers, USP can mobilize chemicals and equipment quickly to respond to your rapid response needs, often within 24 hours. We offer dosing options are designed to meet all safety requirements and sized to meet your specific process and dosage rates requirements. Our Applications Engineers and Equipment and Engineering Services teams will provide timely and thorough applications assistance and technical support during the entire project. Download the Rapid Response Solutions Brochure (PDF) Sample Applications Examples of where our Rapid Response Program has successfully addressed treatment challenges include the following: Temporary application of hydrogen peroxide as a source of supplemental dissolved oxygen in biological treatment systems during periods of excessive BOD loading Hydrogen peroxide pretreatment of high strength wastewater to reduce toxicity or BOD/COD prior to biological treatment Emergency hydrogen peroxide treatment of lagoons or ponds to control hydrogen sulfide and other odors Shock cleaning of cooling water systems for biofouling and slime control

    By USP Technologies based in Atlanta, GEORGIA (US) (USA).

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    Water treatment chemicals for the manufacturing industry

    In all industrial sectors, productivity and economic efficiency are the main factors for sustainable success. Reliable and durable production plants together with their cooling, boiler and waste water systems therefore play an important role. For more than 60 years, Kurita has specialized in water and process treatment. Our 5,200 employees work on behalf of our customers worldwide in a variety of industrial fields. Our individual treatment concepts and competent service help ensure the safe and economical operation of their facilities.

    By Kurita based in Ludwigshafen, GERMANY.

  • Water treatment research for power generation sector

    The power generation sector is the largest industrial user of water in the world, with a need for enormous volumes of water for cooling and ultrapure water to supply boiler systems. Investment in water treatment technologies for this sector is worth $2.1 billion. Rapid industrialisation and economic growth in South East Asia and Sub-Saharan Africa is increasing demand for electricity, requiring significant investment in water technologies. Environmental regulation will push for increased treatment of scrubber wastewater and solutions to reduce the burden that cooling places on the local environment.

    By Global Water Intelligence (GWI) based in Oxford, UNITED KINGDOM.

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