Análise de risco da produção de acetona via desidrogenação do álcool isopropílico
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Nowadays there is an increasingly demand for a safe industries, because of it many industries have been increasing its process security, mapping its risks and creating action plans that minimize the inherent hazards of the process and prevent accidents that could damage the factory, properties and population. In addition, if any accident happen they already know possible repercussion and can action as soon as possible to reduce the damage. In this context, this graduation work going to analyzed the risk of production of acetone via the dehydrogenation of isopropryl alcohol (IPA). The process was simulated at software Aspen Hysys and the conversion of it was approximately 78%, and was simulated the relive valves. With the HAZOP methods, the identification of fault and necessaries actions to mitigate the risk was possible; some actions are install sensors, alarms, valves and manometers. The compatibility chart created by CRW software show that are chemical interactions in the process that are dangerous, especially the interaction between acetone and hydrogen. Analyzing the fault tree it was possible to estimate the time between two faults (reactor temperature increased), that is 3.32 years, and possible faults that increase this time. The analyses of the process of acetone production via de dehydrogenation of isopropyl alcohol showed critical points and was possible to propose improvements of the security process.
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