A heat exchanger is used to heat flammable, volatile solvents, as shown in Figure 11-7. The temperature

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A heat exchanger is used to heat flammable, volatile solvents, as shown in Figure 11-7. The temperature of the outlet stream is measured by a thermocouple, and a control valve manipulates the amount of steam to the heat exchanger to achieve the desired set point temperature.

a. Identify the HAZOP study nodes of the process.

b. Perform a HAZOP study on the design intent of "hot solvent from heat exchanger." Recommend possible modifications to improve the safety of the process.

Volatile Solvent V1 Steam DH Control Valve TRC Heat Exchanger Condensate Figure 11-7 Temperature control

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