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    SYSTAG FlexyTSC Thermal Safety Analysis

    products-servicesSYSTAG, System Technik AG
    June 13th 2023

    The SYSTAG FlexyTSC Safety Calorimeter provides an easy way to monitor and record the thermal behaviour of substances in reactor safety analysis.

    Use of multiple RADEX or SEDEX measuring cells coordinated with a central PC-based system allows simultaneous investigation of multiple samples or one particular substance under a variety of different conditions.

    FlexyTSC Applications

    FlexyTSC provides optimal support for qualitative and quantitative process safety investigations that must be based on evaluation by reaction calorimetry and soundly based thermal safety analysis. It supports all standard evaluation methods, including scanning, isoperibolic steps and long-term evaluations, and can be adapted to adiabatic operation or the heat-wait-IsoARC method.

    A single FlexyTSC system can support up to six measuring cells of the same or different types that can be operated using different sample sizes and a variety of sample vessels.

    Flexible advantages

    A major advantage of the FlexyTSC solution is its ability to use all available measuring methods universally and multi-functionally, with time savings as samples can be individually prepared and evaluations started with a mouse click.

    Single samples can be evaluated under different conditions (open glass vessel, inert atmosphere, with catalyst, gas evolution, autoclave, etc.) with aggregated results shown in a single display.

    The operator is provided with a large variety of useful information on the process or the substance under investigation for subsequent characterization.

    RADEX V5 and SEDEX Measuring Cells

    The RADEX V5 measuring cell permits cost-effective and safe evaluations within a range from ambient temperature to +400oC, with detection threshold for onset temperatures lower than in a DSC. Thanks to a glass liner, the catalytic influence of steel on the sample can be eliminated.

    Low volumes are used (typically ranging from 1.5 to 3ml, depending on vessel), allowing for examination of inhomogeneous samples. The low-cost RADEX measuring vessels can be treated as reusable items and thus reduce the costs per measurement enormously. The relatively large sample volume and wide mouth vessel design lowers need for sample preparation, with even rough-grained samples able to be processed quickly and easily without special physical processing such as grinding or milling.

    SEDEX offers even greater versatility, being equipped with built-in illumination for progress monitoring and a magnetic stirrer. By using an oven with circulating hot air, solid substances can be evaluated for stability in a wire basket.

    The large size of the SEDEX oven allows the installation of customer-specific vessels, even with dosing facilities. Optional thermostat controlled cooling coils provide cooling of the oven interior, lowering the temperature range from the standard 35oC-to 400oC to -10oC to 150oC.

    A wide range of options for RADEX and SEDEX test cells includes open or closed glass vessels and inliners, gassing unit, gas volume measurement, autoclave up to 200 bars and pressure measurement.

    ThermoGraph and KaloGraph

    FlexyTSC is powered by SYSTAG SysGraph® software. This includes two powerful modules, ThermoGraph and KaloGraph.

    ThermoGraph provides thermokinetic analyses of all FlexyTSC applications such as RADEX and SEDEX, in which prognoses of thermal stability of chemical substances or reaction solutions require precise kinetic calculation.

    In addition to decomposition energy and onset temperature, ThermoGraph can use data from a single adiabatic experiment to produce a range of indicators, including SHR (Self-heating rate), TMR (Time to maximum rate), Arrhenius plot, and activation energy.

    All results are automatically corrected with phi and may therefore be directly included in the risk analysis. Base lines can either be defined automatically by the evaluation software or custom created in the graphics interface.

    The KaloGraph module provides the reliable calorimetric calculations of reaction power and heat that are absolutely essential for evaluating the safety of synthesis reactions and which form the basis for all further safety-relevant assessments, such as calculating a scale-up or establishing a runaway scenario.

    The module also helps to set up safe processes, including risk analysis evaluation of various influencing factors in order to minimize the thermal risks of a batch or semi-batch reaction.

    KaloGraph generates clear plot visualization of relevant results, including reaction heat and power, adiabatic temperature increase (MTSR, maximum temperature of synthesis reaction), accumulation of reaction, and heat transfer coefficient, allowing quick and easy recognition of accumulating reaction strength to assign processes to the correct criticality class.

    Resources

    Click on FlexyTSC Thermal Analysis Calorimetry for further information.
    Click on FlexyTSC Thermal Safety Analysis  for brochure download

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    SYSTAG FlexyTSC Thermal Safety Analysis

    SYSTAG FlexyTSC can perform multiple thermal safety investigations simultaneously on coordinated SEDEX or RADEX V5 measuring cells.

     

    SYSTAG FlexyTSC Thermal Safety Analysis

    RADEX V5 test cell.

    SYSTAG FlexyTSC Thermal Safety Analysis

    SEDEX test cell.

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