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TDL analyzer series is expanded for refining applications

By Chemical Engineering |

Mettler Toledo

Mettler Toledo

Four additions have been added to this company’s portfolio of tunable-diode-laser (TDL) spectrometers (photo). The GPro 500 has been available for O2, CO and moisture measurement. Now, models for O2 plus temperature, CO%, CO2%, and a combined CO2% plus CO% make the full GPro 500 portfolio suitable for many petroleum-refinery processes, where paramagnetic and extractive non-dispersive infrared (NDIR) analyzers are normally used. These applications include catalyst regeneration in fluidized catalytic cracking (FCC) units, and ethylene oxide and purified terephthalic acid production. For processes where accurate, low-range extractive measurement is required, the company has also introduced a white cell adaptation that provides an effective path length of 10 m and boosts measurement resolution by a factor of 10. — Mettler Toledo AG, Udorf, Switzerland

www.mt.com/tdl

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