When selecting an analyzer, it’s always a good idea to enlist the advice of a specialist in the field. Do not assume that “one size fits all” or that the analyzer which was correct for a previous job will also be the right choice for another application. The specific details of each application need to be examined closely to prevent disaster, especially in the complex chemical environment.

If the chemical application is relatively clean, low temperature, low concentration, & SINGLE solvent, an Infrared Process Analyzer might be an option. In order to be successful in the chemical environment the analyzer should be heated, mirrorless, and free of moving parts. It should be based on a technology able to withstand the rigors of the process environment & perform accurately.

Take a look at a real life example of this unique chemical application:

Single Solvent - A polymer based textile manufacturer has a single-solvent process that uses MEK. If this process has a leak, the leakage is diverted into an oxidizer for destruction. Leakage levels must be kept BELOW 5% LFL to optimize the process, save product and reduce operating costs.

To accomplish this they were using a traditional IR technology, with a pump & flow switch, to continuously monitor the levels. However they were experiencing many maintenance problems with the system: pump failure, flow switch failure and constant re-calibration. They needed an analyzer with a more robust sampling system. In addition, when the sensor was saturated with MEK, it did not recover properly causing an additional loss of confidence in the readings.

Since their process was a true single solvent application, the IR tehnology was an still an option, but it had to be made especially for the process environment.

  • They chose the AcuPro Infrared Process Analyzer, due to its streamlined sample delivery system, providing a controlled sample for accurate readings with no pump needed. Its heated and mirrorless optical cell design reduces the effects of contamination and eliminates surfaces that become dirty and fog.These features lead to accurate readings and reduced maintenance time.

Find out more details.

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