Larissa F. Torres , Thales Barbalho , Iuri Segtovich , Cláudio Dariva , Frederico W. Tavares , Papa M. Ndiaye
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A critical review of experimental methods, data, and predictions of water content
The capability to accurately determine and predict the water content is essential to assess and plan potential flow assurance issues associated with water condensing from gas in pipelines and leading to hydrate formation. Various experimental techniques and devices have been evaluated/tested to determine water content and different equations of state are used to describe these data. Here, a critical review of experimental techniques and thermodynamic methods to determine water content is presented. Particular attention is paid to the experimental techniques using Chilled Mirror, Quartz Crystal Microbalance (QCM), and Tunable Diode Laser Spectroscopy (TDLAS). A literature review and an experimental data bank of water content in binary and ternary gas mixtures with methane and/or CO2 are also presented.
期刊介绍:
Fluid Phase Equilibria publishes high-quality papers dealing with experimental, theoretical, and applied research related to equilibrium and transport properties of fluids, solids, and interfaces. Subjects of interest include physical/phase and chemical equilibria; equilibrium and nonequilibrium thermophysical properties; fundamental thermodynamic relations; and stability. The systems central to the journal include pure substances and mixtures of organic and inorganic materials, including polymers, biochemicals, and surfactants with sufficient characterization of composition and purity for the results to be reproduced. Alloys are of interest only when thermodynamic studies are included, purely material studies will not be considered. In all cases, authors are expected to provide physical or chemical interpretations of the results.
Experimental research can include measurements under all conditions of temperature, pressure, and composition, including critical and supercritical. Measurements are to be associated with systems and conditions of fundamental or applied interest, and may not be only a collection of routine data, such as physical property or solubility measurements at limited pressures and temperatures close to ambient, or surfactant studies focussed strictly on micellisation or micelle structure. Papers reporting common data must be accompanied by new physical insights and/or contemporary or new theory or techniques.