5. Suppose the reactor feed temperature goes up by 5°F. Give an eight step proce

Question

5. Suppose the reactor feed temperature goes up by 5°F. Give an eight step process explaining what will happen during normal operation of this reactor, beginning with "1. Reactor feed temperature increases by 5°F. 6. The thermocouple inside the reactor is broken. a. What will happen inside the reactor if the reactor feed temperature goes up by 5°F? Why? b. What may happen inside the reactor that will pose a safety risk, and why? c. What, if any, changes would you make to the P&ID, given your answer to part b

Explanation / Answer

5).

1.reactor feed temperature increases by 5oF

2.temperature in reactor increases

3.increase in temperture is measured by thermocouple

4.temperture measurement is transmitted to controller

5.controller will check the error between set point and measured temperature

6.If error is negative,then to keep the effluent temperature constant,coolant flow rate is increased, and vice versa

7. singnal is transmitted to control valve and flow rate is adjusted.

8.and process is repeated until the error at controller is zero

6)

a)error at controller increases, so coolant flow rate is increases according to setpoint.

b)temperature effects the reaction conversion,hence conversion will decrease

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