Analytical Instrumentation

A solution against soot deposition? TE Instruments introduces the XProTM combustion tube

Apr 11 2018 Read 407 Times

Some Petrochemical samples might combust in an unexpected manner and produce soot while being combusted in an elemental analyser. Samples having other than expected boiling ranges, too large sample volumes, incorrect boat programs or challenging chemical compositions, might contribute to the undesired effect of soot formation. As a result, soot particles could deposit onto the wall of the permeation drier tube, affecting the efficiency to remove water vapour. Eventually, results might become less accurate because of this undesired phenomenon. TE Instruments has developed a sustainable and innovative solution to overcome this issue: the XPro™ combustion tube. Its design features three essential functions:

The established collision flow technique provides an extremely powerful combustion capacity, ensuring a complete and efficient oxidation of petrochemical sample.

The incorporated dual-stage capturing filters protect the downstream flow path against soot deposition.

The capturing filters are ‘self-cleaning’, they continuously regenerate themselves by the high temperature of 1000 °C and the presence of an oxygen flow.

The combustion environment in an XPLORER system is typically set at 1000°C or higher. The exothermic effect during hydrocarbon combustion, fueled by the collision flow technique, might even force the temperatures to go much higher. This creates a very efficient and soot-free combustion. However, soot may be produced due to an unexpected sample composition or unintended instrument setting.

The first filter takes care of the larger particles and the second filter collects the smaller dust particles. The surface area and porosity of the two capturing filters are meticulously defined and quality controlled. The filters are designed to not only capture particulates but also allow an unrestricted full combustion flow to pass. Self-cleaning means no need for human intervention, minimising inspection frequency, replacement interval and system validation after replacement.

The dual-stage capturing filters are a user friendly, sustainable and time saving solution. Please contact TE Instruments for more information.

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