Lube Oil Refining Process

Continuous in-line monitoring of the refractive index in lube oil plants allows highly efficient refining process control.

Traditionally, the operators perform refractive index analysis to the waxy raffinates with a laboratory refractometer (ASTM D 1747-89 Standard Test Method for Refractive Index of Viscous Materials). It is known fact that the Refractive Index (R.I.) of waxy raffinates should remain within defined limits. The operators need to adjust the process temperatures of the different catalytic beds to maintain the refractive index of the waxy raffinates within these limits.

Vaisala K-PATENTS® Process refractometer can be installed in the heat exchanger outlet to provide instant feedback on process fluctuations and control the process in real time:

eliminate sampling
improve product consistency
help to optimize the process.

Download our application note in PDF by filling in the form.

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