Thermal Analysis for Safety Evaluation of Chemical Processes
On Demand Webinar

Webinar – Thermal Analysis for Safety Evaluation of Chemical Processes

On Demand Webinar

This Webinar Is an Introduction to Thermal Analysis for Safety Assessment in the Chemical Industry

Thermal Analysis for Safety
Thermal Analysis for Safety

Over the last few decades severe accidents have occurred in chemical production plants leading to high casualties and significant impacts on the environment. In many cases, thermal runaway reactions were the primary cause of such accidents. Using thermal analysis and reaction calorimetry, thermal safety aspects of chemicals and of chemical processes can be assessed and thermal hazards can be identified at an early stage of process development.

In this Webinar, we will show how thermal analysis is applied to investigate hazardous compounds and perform safety studies. We will present some typical examples of samples measured by DSC and TGA.

42:43 min

The Webinar covers the following topics:

  • Basic concepts of safety analysis:
    - Time to maximum rate
    - Criticality of a reaction
  • Thermal analysis and reaction calorimetry applications
  • Instrumentation and applications
    - Differential Scanning Calorimetry (DSC)
    - Thermogravimetry (TGA)
  • Summary

This webinar describes the various uses of thermal analysis for safety assessment in the chemical industry.

Safety issues in the chemical industry

In recent years, a number of serious accidents have occurred in chemical production facilities. Many of these accidents have resulted in severe injuries, or even to the death of plant operators, and have often had a dramatic impact on the local environment.
In many cases, thermal runaway reactions were the primary cause of the accidents. An efficient thermal screening system for chemicals and chemical processes is therefore crucial for reducing accidents in the chemical industry.

Thermal analysis for safety assessment

In general, DSC is used if the focus is on thermal safety aspects of individual chemicals. Reaction calorimetry is used to provide safety information with respect to processing, for example, it allows us to determine the heat flows that occur during the dosing of reactants or during stirring.

The main applications for TGA have to do with evaporation, desorption and vaporization behavior, thermal stability, and the kinetics of decomposition.
Information about the products evolved during a decomposition reaction can be obtained if the TGA is combined with an evolved-gas-analysis technique such as FTIR, MS, or GC-MS. In addition, the DSC signal simultaneously recorded with some of METTLER TOLEDO's TGA instruments measures the melting point or melting range of a material.

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