Posts Tagged ‘distillation column control’

Is Loop Tuning an Art or Science?

Posted in Support Services, Variability Management on Tuesday, February 17th, 2015. 2 comments so far
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This interesting question was posed in the LinkedIn Process Control group. You’ll need to join this 31,000+ member group to see it, but the exact question was: Process Control Tuning – is not just science but an art. The real talent to be process control engineer lies in the fact how deep he understands the […]

Distillation Column Control Basics – Part 2

Posted in Process Optimization on Wednesday, January 14th, 2015. 3 comments so far
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Author: Lou Heavner In part 1, we looked at how control has been traditionally performed on distillation columns. We’ll look at some improvements in today’s post. Inferential Composition Measurement One thing required for distillation column control is product quality measurement. This is typically done with analyzers, but many columns are not equipped with online analyzers. […]

Distillation Column Control Basics – Part 1

Posted in Process Optimization, Support Services on Thursday, December 11th, 2014. 4 comments so far
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Author: Lou Heavner In this 3-part series on distillation column control basics, we’ll look at traditional control and modern approaches to improve control robustness. For background, you can find a good write up on industrial distillation in Wikipedia. In the distillation process, a feed mixture is separated by volatility or boiling point into 2 or […]

Building the Foundation for Batch and Continuous Control

Posted in Education, Final Control Element, Measurement, Process Optimization on Tuesday, November 18th, 2008. No comments yet
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Last week I mentioned uploading two of ModelingAndControl.com blog’s Greg McMillan‘s recent presentations. Like I did with his first presentation, here’s a short recap of the second one, Control Loop Foundation for Batch and Continuous Control: Control Loop Foundation for Batch and Continuous Control View SlideShare presentation or Upload your own. (tags: continuousprocess batchprocess) What […]