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water conductivity Applications

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    Process Analytics - Water Purification (THORNTON)

    THORNTON specializes in measurements for pure and ultrapure water treatment with parameters of resistivity, conductivity, total organic carbon (TOC), flow, pH, ORP, dissolved oxygen and ozone. THORNTON products are frequently used in semiconductor and microelectronics manufacturing, pharmaceutical and biotechnology processing, and power and steam generation, as well as food and beverage production.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Bromate analysis for the drinking water industry

    Bromate forms during the ozonization of drinking water. Several international standards stipulate detection limits and test methods. Conductivity detection with chemical suppression allows the determination of bromate in the lower μg/L range. In the ng/L range, bromate can be detected by IC/MS coupling or post-column derivatization with potassium iodide and subsequent UV detection.

    By Metrohm AG based in Herisau, SWITZERLAND.

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    Industrial solutions for ultrapure water monitoring

    Problem: Trace contamination in ultrapure water (UPW) can have detrimental effects on a manufacturing process in Semiconductor, Power Generation and Pharmaceutical industries. Onsite treatment is conducted to further remove trace impurities from source water.

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

  • Industrial water Nickel Laterite

    Lateritic nickel ore deposits are surficial, weathered rinds formed on ultramafic rocks. Nickel laterites are a very important type of nickel ore deposit, they comprise 73% of the continental world nickel resources. They are growing to become the most important source of nickel metal for world demand. Nickel is a hard, silver white metal that has industrial applications related to its strength, corrosion resistance, high ductility, good thermal and electrical conductivity and catalytic properties. Its primary use is in manufacture of stainless steel, steel alloys and superalloys. The Nickel purification process is very complex of which a few are based on ion exchange, each taking care of a part of the full process cycle.

    By PuriTech Ltd based in Herentals, BELGIUM.

  • Continuous Water Quality Monitoring

    The Sorbisense method allows for continuous monitoring of water quality. Measurements can be conducted as screenings of water catchments, warnings in catchments or directly into the supply system. This method makes it possible to identify and map known problems, but also to trace the source of emergent problems.

    By SORBISENSE based in Tjele, DENMARK.

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    Process Analytics - Wastewater Applications

    Control of wastewater is increasingly becoming important to avoid potential environmental and increasing legal consequences. Accurate pH, O2, conductivity and turbidity measurements are critical in modern wastewater treatment. METTLER TOLEDO offers reliable, cost-effective solutions to control industrial effluents.

    By Mettler - Toledo Int. Inc based in Greifensee, SWITZERLAND.

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    Boiler Water Testing / Cooling Tower Water Testing

    Boilers and cooling towers share two major water related problems: deposits and corrosion. As steam is generated by a boiler or water evaporating from a cooling tower, dissolved minerals are left behind, increasing the concentration of these minerals. Additional minerals are introduced via the water added to makeup the water lost to steam/evaporation. Eventually, the minerals reach a level (or cycle) of concentration that will cause either loss of efficiency due to scale or damage from corrosion. This level can be determined by the Ryznar or Langlier indices and correlated to a conductivity or TDS range. Most people recognize problems associated with corrosion. Effects from scale deposits, however, are equally important. For example, as little as 1/8` of scale can reduce the efficiency of a boiler by 18% or a cooling tower heat exchanger by 40%!

    By Myron L Company based in Carlsbad, CALIFORNIA (USA).

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    Water Testing for Horticulture

    Modern growing practices include scientific evaluations of soil, water, fertilizers, diseases, etc. While some tests are best performed by a laboratory, others can be easily conducted on location, saving time and money. Three tests in particular, EC, pH, and ALKALINITY, can reveal valuable information about water quality, soil salinity, and fertilizer concentration. MyronL Company’s portable AGRI-METERS provide you with a simple, fast, and accurate means of testing these parameters.

    By Myron L Company based in Carlsbad, CALIFORNIA (USA).

  • Water quality monitoring systems for feedwater, storm & condensate industry

    The most important parameters in Water/Steam Cycles such as Cation conductivity, dissolved oxygen and pH are available as pre-assembled and factory tested units. Dedicated analyzers for sodium, silica, phosphate and hydrazine are also factory tested and calibrated for immediate operation.

    By SWAN Analytische Instrumente AG based in Hinwil, SWITZERLAND.

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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.

  • Wireless multiple parameter monitoring

    Monitoring multiple sensing points including fill level, pH, conductivity, and flow—often from varied locations in a large water treatment plant—can be a challenge. With four analogue inputs, a single SureCross Node can easily centralize and transmit critical monitoring information from multiple Sensors or controllers. Banner’s unique power management capability enables a single Node equipped with a FlexPower™ optimized QT50U or T30UX ultrasonic analogue sensor (level detection) to operate for years on a single DX81 battery power supply.

    By Banner Engineering Corp. based in Minneapolis, MINNESOTA (USA).

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    Ultra pure water treatment

    Ultra pure water is mainly used in the semi conductor and pharmaceutical industry. Because of the continuing miniaturilisation in the semi conductor industry, the specifications become more strict every year. Ultra-pure water contains by definition only H20, and H+ and OH- ions in equilibrium. Therefore, ultrapure water conductivity is about 0,054 uS/cm at 25oC, also expressed as resistivity of 18,3 MOhm.

    By Lenntech Water Treatment based in Delft, NETHERLANDS.

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    Analysis of VOC compounds in water by Purge & Trap or dynamic headspace

    Context & Challenges Volatile organic compounds (VOC) can be dissolved in water. Sometimes water is polluted and to study contamination of VOC in finished drinking water, VOC must be measured. Chromatotec® Solutions Chromatotec® has developed a specific system for the measurement of VOC in water: a Purge & Trap system, the airmoPURGE. The analyzer is coupled with a degasing system allowing the extraction of dissolved gases. The complete system is based on: - 502.2 method from US EPA – “Volatile organic compounds in water by purge and trap capillary column gas chromatography with photoionization and electrolytic conductivity detectors in series – Revision 2.1”. - 524.2 method from US EPA – “Measurement of purgeable organic compounds in water by capillary column gas chromatography/mass spectrometry – Revision 4.0”.

    By Chromatotec Group based in Val de Virvée, FRANCE.

  • Measurement and control systems for the Boiler water monitoring

    In ongoing operation, the substances suspended in the boiler water are concentrated. In order to avoid the negative consequences (foaming, deposits) of excessive salt content in the boiler water, specified limit values must not be exceeded. With the aid of a desalination control valve, boiler water with concentrated content is constantly removed and replaced with clean water. If the limit values are exceeded, the conductivity limitation ensures prompt switching off of the burner(s). Foreign substances that have sunk to the bottom of the boiler are removed by briefly opening a drainage valve.

    By IGEMA GmbH based in Münster, GERMANY.

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    Surface Water Quality Testing for the Environmental Monitoring Industry

    Aquaread stock a wide range of testing equipment designed to track a number of parameters and water quality testing measures. These can be used in many different bodies of water, including rivers, lakes, streams and seawater. The advantages of tracking water quality and testing for numerous parameters means that it is easier to notice changes which could cause damage to aquatic ecosystems. Early detection not only helps with monitoring water quality, but also helps to put mitigating measures in place. We have a wide range of parameters, although the most popular of these allow for surface water testing, pH, temperature, electrical conductivity and measuring levels of dissolved oxygen. These are standard measurements included in most standard Aquaprobes, although if you require more specific parameter testing then there are a number of additional parameters which can be added onto to the base Aquaprobe to compensate this.

    By AQUAREAD Limited based in Broadstairs, UNITED KINGDOM.

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    Water Quality Monitoring for the Groundwater Monitoring Industry

    The reasons for testing water quality in groundwater are numerous. Monitoring water quality and conducting tests is a good way to gather data on aquifer hydraulics. It can also be used to monitor parameters such as rhodamine, which helps to understand movement of underground water. Human activities can have an impact on groundwater quality, and conducting tests in this field can help to track these effects. Leachate from landfill and fertiliser can both find their way into groundwater. It is important to monitor these pollutants and to test the quality of groundwater, as it helps to identify and mitigate potentially harmful conditions.

    By AQUAREAD Limited based in Broadstairs, UNITED KINGDOM.

  • GPR

    GPR and EM play an integral part by providing a non-intrusive means of examining the subsurface for environmental hazards such as soil contamination, underground storage tanks and drums. GPR can delineate landfills and pathways for contaminant flow, as well as conduct hydrogeologic investigations such as water table mapping. We offer innovative technology to support site assessment needs.

    By Geomorph Instruments based in Piraeus, GREECE.

  • Environmental data managament & compliance reporting for the manufacturing industry

    Environmental data allows organizations to manage and monitor their compliance with greenhouse gas regulations, the Clean Air Act, the Clean Water Act, the Resource Conservation and Recovery Act, and many others. Additionally, many companies must generate and report environmental data to uphold permits which allow them to conduct their business.

    By enVirSys LLC. based in Littleton, COLORADO (USA).

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