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Tecnología Química
versión On-line ISSN 2224-6185
Resumen
AGUILA-PRADO, Claudia; CORTES-MARTINEZ, Roxana; CHOU-RODRIGUEZ, Elisa María y MARTINEZ-OLMO, Yanelain. Evaluation of the stripping tower T-201 of the stabilization block at Refinery Cienfuegos S.A. RTQ [online]. 2022, vol.42, n.1, pp. 56-69. Epub 30-Abr-2022. ISSN 2224-6185.
ABSTRACT
The stabilizing tower T-201 of the catalytic reforming plant of the Refinería Cienfuegos S.A. it should be able to strip moisture from the naphtha up to 5 ppm. According to the results of the Karl Fisher Coulometric Tritation method, there is a possibility that they do not satisfy the process requirements, which is why in this investigation the performance of the T-201 was evaluated. First, the laboratory results of the moisture content of the inlet and outlet of the tower were statistically analyzed to define the range of the values obtained and their reliability. The PRO/II 9.1 software was used to model the unit and then validated with actual operating parameters. With Matlab software, the sensitivity to the behavior of the temperature of the top of the tower with the variation of humidity in the inlet naphtha was analyzed. Laboratory results showed significant deviations so they are not reliable for measuring moisture content. The model obtained showed deviations below 5%, this being valid for the evaluation of the T-201 tower. In addition, the sensitivity analysis showed a logical behavior of the tower with the variation of temperature and humidity. Finally, that the method used for the analysis of humidity shows errors in its execution and therefore another method of analysis must be used. In addition, the model obtained from the tower can be used to evaluate other operating variables.
Palabras clave : hydrotreatment; humidity; simulation.