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The variety of rotating equipment used in chemical manufacturing creates the need for diverse maintenance methods. Using new techniques can…
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Worth A Second Look
Column Instrumentation Basics
03/15/2008
distillation
An understanding of instrumentation is valuable in evaluating and troubleshooting distillation column performance. Instrumentation is critical to understanding and troubleshooting all processes. Very few engineers specialize in this field, and many learn about instrumentation through experience, myth and rumor. A good understanding of the various types of instrumentation used on columns is a valuable tool for engineers when evaluating column performance, starting up new towers or troubleshooting any type of problem. This article gives an overview of the common types of instruments used for pressure, differential pressure, level, temperature and flow. A discussion of their accuracy, common installation problems and troubleshooting examples are also included.
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