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water-use efficiency Applications

  • 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).

  • Headworks Odor and Corrosion Control Using Hydrogen Peroxide

    Hydrogen Peroxide typically controls odors and corrosion at treatment plant headworks by direct oxidation of hydrogen sulfide (H2S) within the wastewater. In the direct oxidation mode, H2O2 is applied to the wastewater 5-30 minutes prior to the point where the odors are being released, generally as the wastewater line enters the plant boundary. The efficiency of hydrogen peroxide treatment depends upon the available reaction time, the level of iron in the wastewater (reaction catalyst), wastewater pH and temperature, and the initial and target levels of H2S odor. Under optimal conditions, effective dose ratios are 1.2 - 1.5 parts H2O2 per part dissolved sulfide, and can be reliably estimated through beaker tests. H2O2 + H2S → S0 + 2H2O Frequently, control of odors through the primary clarifiers is wanted. In such case, the mechanism of control is both direct oxidation of H2S (as it rises from the solids blanket), and prevention of odor generation (by supplying dissolved oxygen). Control is typically achieved with a booster dose of 1-2 mg/L H2O2 added to the clarifier influent. Higher doses or alternate modes of addition may be required in cases where: 1) hydraulic retention times are > 2-3 hours; 2) solids blanket depths are > 1-2 feet; 3) soluble BOD levels are > 200-300 mg/L; or 4) waste activated sludge is co-settled with the primary solids. 2H2O2 → O2 + 2H2O

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

  • Drinking water solutions for the TOC removal efficiency

    Problem: Organic matter (UV254/TOC) in drinking water can react with chlorine to form harmful disinfection by-products (DBPs). Some removal of TOC is achieved through the conventional drinking water treatment processes, while carbon absorption may be used to further enhance the removal of TOC prior to chlorine disinfection.

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

  • Water and Wastewater Equipment for Water & Wastewater Treatment

    For over 30 years, Water and Wastewater Equipment Company has been providing efficient, cost-effective and compliant solutions to water and wastewater treatment applications, all the way from small batch systems to continuous-flow systems treating 500,000 gallons per day. Our technical analysts and designers are experienced in every phase of wastewater treatment – from fabrication, installation and laboratory testing – to systems management.

    By Water & Wastewater Equipment Company based in Cleveland, OHIO (USA).

  • Ozone Water Treatment for Municipal Water Treatment

    Maintenance free and easy to operate ozone generators supplied by ozone generator manufacturer who knows ozone. Primozone is a modern ozone generator supplier who not only supplies ozone generators but also designs complete ozone water treatment systems. We know ozone and can be your partner in designing a complete and efficiently working ozone generator system for most municipal water treatment issues. The Primozone® technology allows for solutions that are cost effective. Our ozone generators produce a high concentration of ozone using a comparing low amount of energy, which makes the life cycle cost surprisingly low.

    By Primozone Production AB based in Löddeköpinge, SWEDEN.

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    algae control in drinking water plants

    By controlling algae, cyanobacteria and fouling LG Sonic can efficiently reduce taste and odor problems in a treatment plant. The performance of a drinking water treatment plant is consistent with the amount ol contamination in the water. Growth of algae and other fouling in and before a treatment plant can cause various problems within the process. In general, these issues are related with taste or odor of the water. Growth of algae, cyanobacteria and bacteria within the basins of the plant itself, increase the demand of chemicals or filtration and in turn creating problems with THM (trihalomethane) formation. Other common issues are growth of toxin and geosmin producing cyanobacteria (blue-green algae) within the intake reservoir or dam. These molecules give the water an unpleasant `earthy ` taste.

    By LG Sonic based in Zoetermeer, NETHERLANDS.

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    Chemical Water Treatment for swimming pool water

    Kurita Water Solutions offers a wide range of products for the water treatment in swimming pools. These products have proven their efficiency over many years. The swimming-pool product range gives you the opportunity to choose your own maintenance program and allows you to operate your swimming pool hygienic and with no harm to human.

    By Kurita based in Tokyo, JAPAN.

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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 Tokyo, JAPAN.

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    Chemical Water Treatment for membrane treatments

    Membrane units, in our days are widely used in the water pre-treatment preparation and are becoming one of the most important technologies in the production of high pure water. Nevertheless they often face problems with scaling and fouling and are therefore limited by frequent maintenance, downtime and high costs. Our treatment programs are specifically designed for membrane units like reverse osmosis, ultra- and nanofiltration and enable to remove or preventive control scaling and fouling. Our main target is to run these plants under environmentally friendly and beneficial economic conditions. Special attention is given to an efficient utilization of energy as well as saving precious water. Kurita develops an efficient and effective treatment concept achieving an optimal economic operation and a maximum operational reliability of a plant.

    By Kurita based in Tokyo, JAPAN.

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    Chemical Water Treatment for boiler water & heating systems

    In nearly all industrial areas steam is needed for different aims e.g. steam for process side, heating purpose or the generation of electricity. To reach the best efficiency of the boiler system an optimal boiler water treatment is essential. Disturbances in boilers caused by deposits, scaling, corrosion, local overheating or carryover into the steam reduce the operating safety and could lead to tremendous economic damages. Kurita delivers innovative technologies to prevent scale and corrosion in the whole boiler system - feed water tank, boiler, steam and condensate system.

    By Kurita based in Tokyo, JAPAN.

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    Water treatment chemicals for the automotive industry

    Immense global competition has compelled the automobile industry to optimize processes and improve energy efficiency. Continuous and effective production processes are key factors to meeting these challenges. Kurita is your competent partner for all questions concerning water and waste water management as well as paint detackifying. With more than 60 years of experience, we offer the most technically up-to-date water and process treatment solutions. Our highly qualified engineers will gladly advise you on how to increase plant lifecycle and reduce energy costs.

    By Kurita based in Tokyo, JAPAN.

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    Online Monitoring for the Drinking Water Industry

    AppliTek manufactures wet-chemical analyzers specifically designed for measuring on a continuous base the quality indices of drinking water, from raw water intake up to distribution level. Our systems have a small footprint, reduced reagent consumption and show excellent levels of detection in compliance with modern standards.

    On top of that, the delivery of safe water throughout the water cycle will raise the need for efficient monitoring systems detecting in real-time contaminations. `Broadband toxicity`, a non-specific parameter defined by AppliTek, is a prodigiously new and clean technology for safeguarding drinking water.

    By AppliTek NV based in Nazareth, BELGIUM.

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    Water Treatment Solutions for Uranium Removal

    AdEdge provides treatment systems for for Uranium removal using AD92 an anion exchange media that is ideal for use in potable water as well as non-potable and environmental remediation applications for removal of naturally occurring uranium. The high efficiency AD92 can selectively remove the negatively charged uranium anion (most often in the form of uranyl carbonate) to below the existing EPA MCL of 30 ug/L. The AdEdge AD92 systems can deliver the needed performance in two ways: (1) via regeneration type systems which use the media to remove the uranium with periodic regeneration using NaCl brine; or (2) as a “throw away” discardable media, which can be discarded when spent. This option maximizes the very high capacity of the AD92. Where on-site regeneration is not available, this disposal option is the preferred option. Disposal options will vary based on federal, state, and local regulations.

    By Adedge Water Technologies, LLC based in Buford, GEORGIA (US) (USA).

  • Activated carbons for water purification - Water and Wastewater - Drinking Water

    Carbon Activated is one of the major suppliers of activated carbon to the drinking water industry. Activated carbon is an efficient and cost-effective solution for removing a wide range of contaminants from industrial and municipal wastewater, contaminated ground and groundwater. We provide carbon services to some of the largest municipalities in the US for ground water/potable water filtration. We also supply other types of filter media such as anthracite, sand and gravel and supply various types of filtration systems.

    By Carbon Activated Corporation based in Compton, CALIFORNIA (USA).

  • Hydrocyclones for sewage & waste water treatment applications

    FLSmidth Krebs Hydrocyclones and Close Packed Cyclones provide a more efficient and less expensive option to remove grit, sand, and other solids from sewage/water than gravity sedimentation systems.

    By FLSmidth KREBS based in Tucson, ARIZONA (USA).

  • Drinking water analysis for municipalities

    GE Analytical Instruments offers several Sievers TOC Analyzer models designed specifically to simplify monitoring of drinking water treatment plants. Always knowing the TOC levels throughout a water treatment plant, and improving TOC reduction, can help a plant not only control DBPs, but also implement efficient and potentially cost saving treatment processes.

    By GE Analytical Instruments based in Boulder, COLORADO (USA).

  • Traveling Water Screens for Municipal Water Industry

    Our municipal water screen services include custom traveling water screen design and installation. We are one of the leading traveling water screen suppliers worldwide. Our screen solutions solve debris removal from canals, aqueducts, rivers and more. Pumps and pipeline efficiency can be drastically improved to save you time and money.

    By International Water Screens based in Bakersfield, CALIFORNIA (USA).

  • Filtration in waste water treatments. disinfection

    The cost and efficiency of the waste water treatment is directly linked to the amount of suspended solids in the water.
    The addition of an AZUD System allows:

    • Increased efficiency of the treatment equipment.
    • Decreases the quantity of chemicals used.
    • Avoids the “shadowing effect” created by larger particles in UV disinfection systems.

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

  • Drinking water solutions for the coagulation optimization

    Problem: Drinking water plants that use surface water or ground water under the influence of surface water are susceptible to high levels of organic matter in the raw water. Reduction of organic matter through coagulation/sedimentation and filtration is important to lower the potential for disinfection by-product formation (DBP) and limit operational problems. In addition, organics in water consume the polymers used for the coagulation process, which reduces the efficiency of the treatment. Therefore, optimization of the polymer dosing heavily depends on the concentration of organics.

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

  • Wastewater solutions for ballast water treatment monitoring

    Problem: To operate safely and efficiently, cargo ships take in water to provide stability. This water, referred to as ballast, carries all kinds of bacteria, microbes and micro-algae. The ballast water must inevitably be discharged when the ship takes on cargo, often thousands of kilometers away from the port of origin, transferring pathogens and aquatic organisms that can cause serious environmental, economic and health problems.

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

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