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Total Dissolved Solids (TDS) Monitoring Applications

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    Reverse Osmosis Water Testing

    Osmosis is the phenomenon of lower dissolved solids in water passing through a semi-permeable membrane into higher dissolved solids water until a near equilibrium is reached. Reverse Osmosis (RO) is a membrane process of purification which removes most of the the total dissolved solids (TDS) in water by reversing the natural process of osmosis. Pressure is applied to a TDS-concentrated solution against a semi-permeable membrane, causing pure water to diffuse through the membrane. RO has become an important...

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

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    Hand-Held & process control water testing instrument for Boilers and cooling towers

    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...

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

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    Oxidation Reduction Potential (ORP)/Redox

    Oxidation Reduction Potential or Redox is the activity or strength of oxidizers and reducers in relation to their concentration. Oxidizers accept electrons, reducers lose electrons. Examples of oxidizers are: chlorine, hydrogen peroxide, bromine, ozone, and chlorine dioxide. Examples of reducers are sodium sulfite, sodium bisulfate and hydrogen sulfide. Like acidity and alkalinity, the increase of one is at the expense of the other.

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

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    Pool Water Testing / Spa Water Testing

    Anyone and everyone who is responsible for operating and maintaining a swimming pool or spa has to test, monitor, and control complex, interdependent chemical factors that affect the quality of water bathers are immersed in. Additionally, aquatic facilities operators must be familiar with all laws, regulations, and guidelines governing what these parameters should be.

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

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    Water Testing for Textile Manufacturing

    The textile manufacturing industry encompasses many and diverse processes that rely heavily on the use of water, energy, chemicals, and other resources. Wet spinning, sizing, desizing, scouring, bleaching, mercerization, dyeing and printing are just a few. Monitoring and controlling the pH, TDS/Conductivity/Salt Concentration, ORP (REDOX), and Temperature of the aqueous solutions used in these processes conserves costly resources, controls quality, and reduces the amount of pollution that must be treated before...

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

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    Water Testing for Automatic Rinse Tank Controls

    Proper rinsing is one of the most important steps in quality manufacturing or metal finishing. Plenty of low cost, good quality water for rinsing has been available in the past, so rinse water conservation has been largely ignored. Today, this is no longer true. Tap water costs have increased dramatically. Various new regulations are now in effect which limit the allowable volume of wastewater. Others require wastewater treatment. Still other laws tax the amount of water going down the sewer. These factors have...

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

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    Hand-Held & process control water testing instrument for for Environmental industry

    Keeping the water in our lakes, rivers, and streams clean requires monitoring of water quality at many points as it gradually makes its way from its source to our oceans. Over the years ever increasing environmental concerns and regulations have heightened the need for increased diligence and tighter restrictions on wastewater quality. Control of water pollution was once concerned mainly with treating wastewater before it was discharged from a manufacturing facility into the nation`s waterways. Today, in many...

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

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    UV fluorescence technology for monitoring oil in power plant cooling water

    The TD-4100 utilizes a non-fouling, non-contact flow cell which requires little to no maintenance, and uses fluorescence technology to accurately detect oil in water from low ppb to high ppm. For this application, the TD-4100 monitors oil in water at 1 to 5 ppm and signals an operator with an alarm when the concentration exceeds the high alarm relay set-point.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    UV fluorescence technology for monitoring of hydrocarbons in bilge water

    Various processes onboard ships, such as machinery wash-down, maintenance, and leakage, generate oily wastewater. This contaminated water flow collects in the bilge of the ship. Marine diesel, lubricating oils, grease, as well as other contaminants may be present in bilge water. The bilge water is discharged overboard, with oil and grease concentrations in the discharged water limited by national and international regulations.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    UV fluorescence technology for monitoring of phenol in water

    A plant located in the eastern United States manufactures phenolic resin for applications in plastics molding. This plant uses well water for cooling its reaction process and then discharges the water into a local creek.

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    Validation of Salt Water Disposal Well Treatment Plants with Handheld Oil in Water Sample Analyzer

    Ideally, a continuous online monitor would be used for collecting data to determine upset frequencies, duration and normal conditions. Many of the SWD facilities and demonstration plants do not have a budget that allows for continuous monitoring. However, high frequency sample analysis can be performed on site, using a portable analyzer. Easy to use, low cost field analyzers, such as the TD-500D, are essential for optimizing the effectiveness of treatment systems during pilot studies and meeting a budget that...

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

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    UV fluorescence technology for raw water intake monitoring industry

    The Situation: Hydrocarbons in municipal water supplies, including fresh water and desalination systems, are commonly limited to less than 1 part per million. Surface water from rivers, lakes, or the sea with marine traffic, nearby pipelines, or regular flooding can be contaminated by hydrocarbons. Freshwater treatment systems can be damaged by hydrocarbons or allow them to pass through undetected. Desalination systems using reverse osmosis (RO) membranes can be irreversibly damaged by the presence of hydrocarbons...

    By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).

  • Advanced water treatment controller solutions for ultima waste water sector

    Waste water treatment is a multi-stage process to neutralise or disinfect wastewater to within regulatory requirements before it is released into the environment. Considering the wide range of waste water streams and associated difficulties, the control system must be reliable, flexible and with a comprehensive range of functions to be activated for each individual treatment requirement.

    By Aquarius Technologies Pty Ltd based in Coopers Plains, AUSTRALIA.

  • Using evaporation to dewater Reverse Osmosis reject waste streams

    Reverse Osmosis (RO) technology has been used for years in various industries to separate dissolved solids from water by forcing the water through a semi-permeable membrane. RO is also commonly used to purify drinking water and desalinate seawater to yield potable water. The water and other molecules with lower molecular weight (specific weight of molecules allowed to pass through is dependent on the selected membrane) pass through the micropores in the membrane, yielding a purified water stream called the...

    By ENCON Evaporators based in Hooksett, NEW HAMPSHIRE (USA).

  • Asphalt Applications Testing PAH Content

    New regulations require testing asphalt for PAHs. Sitelab's UVF-3100D and TD-500D analyzers can test asphalt quickly and accurately. Results takes less than 5 minutes. The equipment is easy to operate.

    By Sitelab Corporation based in West Newbury, MASSACHUSETTS (USA).

  • Monitoring TPH in Produced Sand for Overboard Discharge

    Sitelab's TD-500D analyzer is used on offshore oil platforms to test TPH in produced sand. The sand is contaminated by crude oil and must be treated prior to overboard discharge in order to meet regulatory limits.

    By Sitelab Corporation based in West Newbury, MASSACHUSETTS (USA).

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