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cooling water technology Applications

  • 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.

  • 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 Ship Industry

    In shipbuilding, high standards of reliability as well as increasingly the energy efficiency of the systems are important prerequisites for the economical-technical overall evaluation in the technical procurement process. Ships as self-sufficient systems are particularly dependent on the reliable functioning of all installed components, including the pumps. They fulfil many tasks on board which are vital for the operation of the vessel: Delivery of ballast water and wastewater, boiler supply, condensate recovery, drive engine cooling and of course the reliable supply of fire fighting systems.

  • 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).

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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.

  • 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.

  • Water treatment for power plants

    The process of electricity generation from fossil fuels such as coal, oil and natural gas is water-intensive. Between 40-50% of all water abstracted and used in developed countries is used in the generation of electricity. Thus, a reliable, abundant and predictable source of raw water supply to a power plant is a critical factor in site selection. Water supplies are required to provide various process waters for the following essential main purposes such as make-up water, cooling water for steam turbine condensers, and auxiliary plant cooling water.

    The primary application of modern water treatment technology is to maintain the integrity and performance of the power plant. Critical plant applications have water purity or conditioning requirements that must be adhered to for safe, reliable and efficient power generation.

    Experience has shown that integration of water technology treatments with power plant design can be very important in reducing operational problems and component failures 

    At power plant worldwide there are increasing limitations on water availability and environmental restrictions on discharges. This is expected to promote measures for water conservation and to have an increasing influence on water treatment decisions. At power plant, the recycling of internal wastewater streams can extend from the recovery of individual high-quality waste streams, which can be reused either directly or after only limited treatment, through to the development of fully integrated water/wastewater treatment systems for zero liquid discharge. However, the application of reuse schemes requires site-specific assessment, as not all waters may be viable options for recovery.

    By De Nora Water Technologies based in Colmar, PENNSYLVANIA (USA).

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    Hazardous waste treatment solutions for metal industry

    Sludge by-products from the metalworking industry have a high potential for recycling. Prolonged grinding processes can generate large amounts of highly valuable, alloy-rich sludge; consisting of metal powder and cooling lubricants. Inside our VacuDry system, the thermal separation of the liquids (hydrocarbons, eventually water) and solids (metal powder) takes place in an oxygen free atmosphere. This absence of oxygen ultimately eliminates material degradation by oxidation, and self-ignition or explosion risks. Operation under a low vacuum ensures the possibility to recover the cooling lubricants for later reuse. After the thermal treatment, for appropriate handling in the melting process, the metal powder is pressed into briquettes. With the econ VacuDry technology, 100% recycling of all ingredients is possible.

    By econ industries GmbH based in Starnberg, GERMANY.

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    Applications and Air Pollutants Removed in the Biomass Industry

    Flue gas particulate and acid gases from biomass and bagasse boilers. Removal of ethanol, CO2 scrubbers and yeast cells from fermenters.  Removal of ash particulate, tars, acid gases and ammonia from steam reformers, gasifiers, pyrolosis units and cooling of syngas streams to acceptable limits to enable use as a fuel source for power generation or as a feedstock for chemical products. For tar removal, combination technologies can be used including oil based scrubbing solutions to reduce waste water generation. Ethanol and yeast cell removal from fermenter off-gases. Methanol from processing operations. Hydrogen sulfide removal on landfill, digester and producer gases with regenerable chemistries. Odor control for biomass storage facilities including carbon monoxide removal in wood chip storage areas. 

    By Bionomic Industries Inc. based in Mahwah, NEW JERSEY (USA).

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