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Importance of Proper System Controls Placement Stable operation –Environmental and safety standards Product specifications –Quantity and quality Homeostasis.

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Presentation on theme: "Importance of Proper System Controls Placement Stable operation –Environmental and safety standards Product specifications –Quantity and quality Homeostasis."— Presentation transcript:

1 Importance of Proper System Controls Placement Stable operation –Environmental and safety standards Product specifications –Quantity and quality Homeostasis –Quickly respond to fluctuations i.e. temperature and pressure

2 Image from: http://www.ehponline.org/members/2004/112-6/focus.html Morton International Chemical Plant Explosion Paterson, NJ April 8,1998

3 What Went Wrong Temperature rose above safe levels –Excessive heating –Insufficient cooling Slow response time Runaway exothermic reaction Data from: http://www.csb.gov/completed_investigations/docs/mortondigest.pdf

4 Proper Control System Design

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