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Tecnología Química

versión On-line ISSN 2224-6185

Resumen

MARINO-PEACOK, Thayset; LABRADA-VAZQUEZ, Benigno Luis  y  SANCHEZ DEL CAMPO-LAFITA, Ana Estela. Simulation of the Stabilization Unit Refinery "Hermanos Díaz" Using Aspen Hysys 8.0. RTQ [online]. 2016, vol.36, n.3, pp.296-310. ISSN 2224-6185.

In this paper a study of the production of liquefied petroleum gas is carried out in the Stabilization Unit refinery "Hermanos Díaz”. Implementation of this process was conducted in the simulator Aspen Hysys 8.0 with the aim of developing a simulation that would increase the efficiency of this plant. Different alternatives are evaluated using the simulator tool Databook, as were the analysis of the temperature and pressure and its influence on the flow of the compounds of interest in the separators; the number of trays and the feed tray to the distillation column and its influence on the energy of the condenser and reboiler. It was determined that at 44°C and 160 kPa in the separator D-120 and at 34,5 °C and 738.8 kPa in the separator D-109 ensures good performance of the process. In addition it was found that with 50 trays and a feed tray 27 in the distillation tower T-104 guarantee lower consumption of energy (1,4*10 7 kJ/kmol and 1,5*107 kJ/kmol for the condenser and reboiler respectively). It was shown that an increased flow of unstabilized light naphtha fed to the plant, leads to increased efficiency of the unit. The simulation of the process led to raise the efficiency of the plant because the flow of liquefied petroleum gas increased in 11.79% to quality established.

Palabras clave : aspen hysys; stabilization unit; simulation.

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