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Posts Tagged ‘distillation column’

With Smart Process Distillation, James Beall Finds Hidden Savings for Gulf Coast Plastics Plant

Posted in Chemical, Energy on Thursday, September 19th, 2013. One comment so far
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Hi there — it’s Chris Womack with another guest post, this time a tale about unexpected distillation savings. Last week, Emerson Consultant James Beall was working with a major U.S. plastics facility on the Texas Gulf Coast, helping the firm figure out how it might save some of the money it spends on distillation energy […]

Efficient Distillation Columns Require Accurate DP Measurements

Posted in Pressure on Friday, March 1st, 2013. One comment so far
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The distillation process is used in many industries to separate mixtures into components. It is defined as: …a process in which a liquid or vapour mixture of two or more substances is separated into its component fractions of desired purity, by the application and removal of heat. Emerson’s Daniel Lucey has written an Intech article, […]

Steps to Effective PID Loop Tuning

Posted in Education, Process Optimization on Thursday, February 14th, 2013. 2 comments so far
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Sometimes when you read an article about tuning proportional-integral-derivative (PID) loops, you’re treated to all the 2nd order differential equations they contain. These can be intimidating, especially if your college calculus classes are many years in the rearview mirror. If you find yourself in this situation, there’s a great Chemical Engineering Progress article, Implement an […]

How to Tune Self-Regulating Control Loops

Posted in Education, Process Optimization on Tuesday, November 13th, 2012. 5 comments so far
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I’ve highlighted a few Emerson presentations for this week’s ChemInnovations conference in New Orleans. Emerson’s James Beall, a 30-year veteran in process control and chairman of the ISA 75.25 committee on control valve performance testing, shared his ChemInnovations presentation with me as well. The subject is a look at the fundamentals of modern loop tuning. […]

Early Detection of Distillation Column Flooding Conditions

Posted in Pressure on Wednesday, August 1st, 2012. 3 comments so far
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The distillation process is one of the most common means of separating two or more components from a fluid. Ever handy Wikipedia defines it: Distillation is a method of separating mixtures based on differences in volatilities of components in a boiling liquid mixture. Distillation is a unit operation, or a physical separation process, and not […]