This Month’s Puzzler We are experiencing some startup problems in our distillation train, which consists of three towers. When we start up the plant, the product from the reboiler of the second tower is hotter than desired, which delays the overall plant startup. Our condenser load is too high at this time. What is causing these issues and how can we address them? In addition, during a turnaround, we mixed up the wiring on the three reboiler product pumps. We’re now working on a control-system-migration project and need to quickly sort out the wiring problem with the pumps to avoid a long startup. What should we do? Lastly, we replaced the condenser thermal control…Full Story
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