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Total Organic Carbon (TOC) Monitoring 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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    Determination of TOC in stack

    PROBLEM: The industrial chimney's emissions of Volatile Organic Compounds (VOCs) are becoming issues of global importance and to have an accurate knowledge about how to test VOC turns into a strategic issue. VOC emissions are quantified and monitored according to standard EN 12619, using FID analyser which uses hydrogen and other reference gases in pressurized cylinder. Operators must then approach the sampling point, often placed several meters from the ground, climbing chimneys of industrial settlements with instruments and cylinders. Is it possible making this job easier and safer? SOLUTION: Using the Polaris FID analyser produced by Pollution Srl, Italy, it is possible to carry out the VOCs monitoring according to EN 12619 without lifting accessories and heavy weights typically involved with FID analyser. Polaris FID analyser complies with this standard regulation but what is really a breakthrough and cutting-edge, is the unmatched portability and the next generation technology

    By Pollution Srl based in Budrio (Bologna), ITALY.

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    Industrial stack emission TOC monitoring

    By Pollution Srl based in Budrio (Bologna), ITALY.

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    Monitoring of raw water intake

    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. Continuous monitoring of water source intakes can prevent system contamination and subsequent damage.  Accurate, low maintenance monitoring systems such as the TD-4100 XD and XDC have been protecting water intakes worldwide for over 20 years.

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

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    Analytical instruments for elemental analysis

    Elemental analysis is a generic term for a group of applications which deal with the analysis of a variety of materials (chemicals, liquids, polymers, waste material, etc.) for their elemental or isotopic properties. Typical examples of elemental analysis techniques where mass flow control plays a key role are Total Organic Carbon (TOC) or Total Organic Halides (TOX).

    By Axetris Ag based in Kaegiswil, SWITZERLAND.

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    Analytical and measuring instruments of ceramics, metals, mining industry

    Geochemical Analysis: Applied geochemical analysis is of value to geologists, mining engineers, metallurgists, and geochemists and requires reliable instrumentation capable of accurate analysis in complex matrices. Whether looking for trace levels of precious metals, doing geochemical exploration on thousands of samples, or assaying concentrates or final product Shimadzu provides instrumentation that fits your needs.

    By Shimadzu Scientific Instruments Inc based in Columbia, MARYLAND (USA).

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    Ultraviolet disinfection systems for the total organic carbon (TOC) reduction sector

    Total Organic Carbon (TOC) is found in all water supplies as naturally occurring organic matter. Over many years of experience, medium or low pressure UV treatment has become recognised as an effective process step in the breakdown and reduction of TOC in water intended for use in pharmaceutical, health care, power generation and micro-electronics applications. In the latter case, ultra-pure water is used to wash silicon wafers on which even small deposits of carbon compounds on the wafers can severely affect their performance.

    By atg UV Technology based in Wigan, UNITED KINGDOM.

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    High quality gas sensor solutions for total organic carbon (TOC)

    Minimising costs through measurement of CO2 concentration. Both water suppliers and water users need to know the quality of the water they are supplying, using and disposing of so as to minimise their costs. One measure of water quality is the organic carbon content (TOC). TOC is measured by oxidising the organic carbon to produce CO2 which is then measured and the value converted into a TOC measurement. Edinburgh Sensors supply sensors to measure the CO2 concentration produced by oxidising the organic carbon in a water sample, allowing the TOC to be calculated. This TOC value determines one measure of how clean the water sample is.

    By Edinburgh Instruments Ltd based in Livingston, UNITED KINGDOM.

  • Hydrocarbons monitoring

    Hydrocarbons are a family of organic chemicals consisting of carbon and hydrogen atoms arranged in a variety of ways. Hydrocarbons are found naturally in crude oil and are released into the environment with its combustion (power plants, home heaters etc).

    By Ecotech Pty Ltd based in Knoxfield, AUSTRALIA.

  • Monitoring industrial trade discharge for wastewater treatement industry

    Industry has had to respond to the requirements of progressive environmental legislation such as the Urban Waste Water Directive, IPC, IPPC and now the EPR (Environmental Permitting Regulations). As successive legislation becomes more stringent, discharge consents have been progressively tightened, and the need for self-regulation has become more important. As a consequence, on-line instrumentation has been installed throughout waste-water industry to continuously to provide trade discharge monitoring and perform continuous water analysis for key consent parameters.

    By Pollution & Process Monitoring Ltd based in Sevenoaks, UNITED KINGDOM.

  • Water intake protection monitoring for wastewater treatment industry

    Intake protection systems have been extensively installed to protect water treatment works, from ingress of polluted water and waste-water plants from toxic chemical loads. A suitable system typically comprises a suit of instrumentation, measuring key chemical, physical and indicator parameters dependant upon the identified risks, associated with the individual site activity or discharges from neighbouring industry.

    By Pollution & Process Monitoring Ltd based in Sevenoaks, UNITED KINGDOM.

  • Water quality monitoring for dairy industry

    Continuous monitoring of process streams and waste streams in a dairy industry setting can provide various benefits to the operators. One major benefit is that it is possible to minimize product lost to the waste stream by means of reliable online monitoring of organics (TOC) at various points in the plant. In addition, due to the nitrogen deficient nature of milk wastes it is possible to optimize ammonia dosing by accurately and continuously monitoring the organic loads entering the waste stream.

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

  • Disinfection solutions for water treatment industry

    Ballast Water Solutions. Ship ballasts often carry aquatic organisms that can cause a significant problem when transported from one body of water to another. In fact, the invasion of non-native species via ballast water has been described by maritime and environmental authorities as `one of the greatest threats to the world`s waterways.`

    By Calgon Carbon Corporation based in Pittsburgh, PENNSYLVANIA (USA).

  • Water quality monitoring for semiconductor industry

    Water is fundamental to the manufacturing process in a semiconductor facility. Electronic components are rinsed or washed several times during the producing process with ultrapure water (UPW) to remove residue. Continuous monitoring of organic constituents (TOC) on the influent city water assist with UPW production. Good quality waste streams for the manufacturing process can also be monitored for reuse potential.

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

  • 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).

  • 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).

  • Water monitoring for laboratories

    Chemical purity of water is assessed for a wide variety of different chemicals depending on the type of water and applicable local legislation. 

    Chemical analysis of water can include testing for nitrogen compounds, dissolved heavy metals, and total and dissolved organic carbon.

    Common water monitoring applications include:

    • Determination of suspended solids in waterusing for example glass fiber filters.
    • Chemical analyses of for example heavy metals, dissolved organic carbons (DOC), and ions.
    • Microbiological analyses using membrane based microfiltration methods

    By GE Healthcare UK Limited based in Little Chalfont, UNITED KINGDOM.

  • Monitoring surface water for wastewater treatment industry

    Pollution Risk: Surface water encompasses storm water derived from hard standing areas, river water and reservoirs. All types of surface water are at risk from ingress of pollution and therefore need to be monitored. On-line continuous monitoring can identify and alarm pollution so corrective action can be taken

    By Pollution & Process Monitoring Ltd based in Sevenoaks, UNITED KINGDOM.

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