January 2001

Process Analyzers

Optimize pour point control to save money

New developments improve online and process control of distillates and lubricants

Au, J., Phase Technology

Most refineries monitor the pour points (PPs) of their process or blender streams by shuttling captured samples to the plant's laboratory for offline analysis. This practice is inefficient since it may cause substantial delay before the process plant receives feedback from the analytical laboratory. If the product fails to meet the specified standard, recovery can be costly or even impossible. Obviously, use of online PP analyzers can greatly alleviate this difficulty by providing timely results for process control and product release. Moreover, deploying online PP analyzers can be included as part of the feedback loop t

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