Lecture 2 2011

Lecture 2 2011 - Product quality Achieve L Key by adjusting...

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CONTROL OBJECTIVES AND BENEFITS The objective of this lecture is to recognize examples of the seven (7) control objectives in chemical processes: 1. Safety 2. Environmental protection 3. Equipment protection 4. Smooth operation 5. Product quality 6. Profit 7. Monitoring and diagnosis Let’s discuss this process! Safety : High pressure drum is dangerous!
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Environmental protection : Never release hydrocarbons to the atmosphere! Equipment protection: No flow could damage the pump! Smooth operation : Always keep the production smooth!
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Unformatted text preview: Product quality: Achieve L. Key by adjusting the heating! Profit : Use the least costly heating! Monitoring and diagnosis : Calculate and plot key parameters (e.g., UA) All seven must be achieved. Failure to do so will lead to operation that is unprofitable or worse, unsafe. BENEFITS FROM PROCESS CONTROL: When we control a process, we reduce the variability of key variables to achieve the seven objectives. le Variability is moved from the controlled to the manipulated variable!!...
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Lecture 2 2011 - Product quality Achieve L Key by adjusting...

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