Explain overall plant process and controlling and setpoint ( Temperature, Pressure, Level, start-up and Shutdown procedure.

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The overall plant process involves controlling temperature, pressure, and level through setpoints, along with following specific start-up and shutdown procedures.

The plant process involves various unit operations such as mixing, reaction, separation, and purification.
Temperature, pressure, and level are controlled using instruments like thermocouples, pressure transmitters, and level sensors.
Setpoints are predetermined values for temperature, pressure, and level that the operator must maintain within acceptable ranges.
Start-up procedures include checking equipment, ensuring proper utilities are connected, and gradually increasing process parameters.
Shutdown procedures involve safely stopping equipment, draining lines, and securing the plant for maintenance or cleaning.
For example, in a distillation unit, temperature setpoints are crucial for separating components based on their boiling points.
In a reactor, pressure setpoints are essential for controlling the rate of chemical reactions.
Level setpoints are critical in tanks to prevent overflow or run dry situations.

Explain overall plant process and controlling and setpoint ( Temperature, Pressure, Level, start-up and Shutdown procedure.

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