ENADE Engenharia Química Practice Questions - ENADE Engenharia Química - Exame Nacional De Desempenho Dos Estudantes Exam

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In a chemical process Hazard and Operability (HAZOP) study of an exothermic batch polymerization reactor, the study team applies the guide word 'MORE' to the parameter 'TEMPERATURE'. Which deviation and potential consequence are being evaluated?

Excessive temperature in the reactor, potentially triggering a thermal runaway reaction and overpressurization. Lower coolant flow rate resulting in complete freezing of the cooling jacket fluid. Reverse flow of initiator from the feed manifold back into the monomer storage vessel. Phase separation of monomer and polymer due to insufficient mechanical agitation.

Correct Answer:

Excessive temperature in the reactor, potentially triggering a thermal runaway reaction and overpressurization.

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