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Posts Tagged ‘Entech Toolkit’

Avoid Operational Issues with Proper Control Valve Selection

Posted in Final Control Element on Wednesday, April 10th, 2019. No comments yet
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Because they directly touch the process flow, control valves play a significant role in the stability, robustness and variability in the process. One bad-acting control valve can create large problems for safe and reliable operations. At last week’s AIChE Spring Meeting, Emerson’s James Beall presented Specifying Control Valve Performance to Achieve Desired Process Performance. In […]

Improving Jacket Heating and Cooling Temperature Control

Posted in Process Optimization, Support Services on Wednesday, January 30th, 2019. No comments yet
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In many specialty chemical and pharmaceutical batch processes, you’ll find classic cascade and split-range control strategies used on vessel jacket heating and cooling. I caught up with Emerson’s Mark Coughran on a recent visit that he and Guillermo Bravo had taken to a plastics manufacturing facility. They were having issues with the jacket temperature control that […]

Solving Reactor Temperature Control Challenges

Posted in Life Sciences, Process Optimization, Variability Management on Monday, September 28th, 2015. No comments yet
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Some of my favorite posts are ones that come out of a string of problem-solving email messages. And so it is with today’s post. Emerson’s Mark Coughran was recently at biopharmaceutical facility that was having temperature control issues on a reactor vessel. The temperature process variable was overshooting far past the setpoint with the control […]

Improving Energy Efficiency in Thermal Oxidizers

Posted in Chemical on Wednesday, November 12th, 2014. 2 comments so far
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Author: Sonal Gilani Thermal oxidizers are used to destroy the waste gases containing volatile organic compounds (VOC) and volatile hazardous air pollutants (HAP) by raising the temperature of the material above its auto ignition point in the presence of oxygen. The high temperature is maintained for sufficient time to complete combustion to carbon dioxide and […]

Methodology for Solving Control Loop Problems

Posted in Control Strategies, Oil & Gas, Process Optimization, Variability Management on Friday, October 31st, 2014. 2 comments so far
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This time of year, after our big Emerson Exchange conference, I like to go back and see what sessions I missed to be able to be able to recap for you. I caught up with Emerson’s Mark Coughran, whom you may recall from many control performance-related posts. He co-presented a paper, Solve Control Loop Problems […]