Isothermal Graphical Method For Determining An Equation Of State In A Gas Mixture

Abstract

This article presents a theoretical framework and methodological strategy for determining an equation of state in a gas mixture, focusing specifically on Camisea natural gas in Peru. The research highlights the lack of previous studies on this topic and proposes the development of an isothermal graphical method for this determination. The general and specific objectives of the research focus on determining the equation of state for the gas mixture, selecting the appropriate isothermal graphical method, and relating the chemical composition of the gas mixture to the equation of state. The methodology is described as technological research of explanatory-correlational level, with a multivariate-correlational design. The study population is Camisea natural gas, with the sample being the chemical composition of the gas. Data are collected from official chromatographic analysis reports from the Camisea Consortium. The technique for data processing, analysis, and interpretation involves the use of Excel spreadsheets and Matlab. The conclusions reveal that the equation of state that best fits Camisea natural gas is the Soave Redlinch-Kwong equation, followed by the Peng-Robinson equation. Additionally, the simplicity of the proposed isothermal graphical method is highlighted, which can be implemented in Excel and provides a relationship between the fundamental study variables.