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Ingeniería y Universidad

versão impressa ISSN 0123-2126

Resumo

MESA GOMEZ, Adriana; VALERO VALDIVIESO, Manuel  e  FIGUEREDO MEDINA, Manuel. Process Simulation-Based Improvements to Maximize Naphtha Production in an Existing Gas Processing Plant. Ing. Univ. [online]. 2016, vol.20, n.2, pp.355-371. ISSN 0123-2126.  http://dx.doi.org/10.11144/Javeriana.iyu20-2.psim.

This study estimates the parameters for the proper operation of each one of the process stages (compression, cooling, and separation) in an existing gas processing plant, which processes 1.5 million standard cubic feet per day (MMSCFD). The study also proposes changes in some existing operational equipment to maximize the production of naphtha, which translates into an improved efficiency in each analyzed stage and an improved production rate of fuel gas, liquefied petroleum gas (LPG) and naphtha, which are current products of the plant. First, the gas plant was simulated using the Aspen HYSYS® V7.3 software with the current operational plant conditions and the measured properties of the fluids (gas chromatography for input gas, fuel gas, and LPG). Subsequently, unidimensional searches were performed via sensitivity analyses of the key stages of the process to obtain suitable parameters for improving naphtha production. This resulted in a maximum naphtha recovery rate of 99.13% (which is an improvement over the current recovery rate of 82.79%) and an increase in naphtha quality of 20.85%. The study allowed to have a sensibility analysis for nafta recovery, which provides a tool for decision-making and establishes a basis for analyzing other plants

Palavras-chave : naphtha; simulation; Aspen HYSYS; Sensitivity analysis; nafta; simulación; Aspen HYSYS; análisis de sensibilidad.

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