Phase Behavior of Natural Gas Systems

Mokhatab, Saeid; Poe, William A.; Mak, John Y.

doi:10.1016/b978-0-12-815817-3.00002-2

Cited by 3 publications

(2 citation statements)

References 126 publications

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“…As natural gas pipelines are specifically designed for single-phase flow, the transition of the flow regime to a two-phase region due to liquid condensation might result in operational problems such as pressure drop . This is dependent on the components present in the transported natural gas and the pipeline operating pressure and temperature.…”

Section: Resultsmentioning

confidence: 99%

Accurate Predictions of the Effect of Hydrogen Composition on the Thermodynamics and Transport Properties of Natural Gas

Alkhatib

Alhajaj

Almansoori

et al. 2022

Ind. Eng. Chem. Res.

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This work demonstrates the need for accurate thermodynamic models to reliably quantify changes in the thermophysical properties of natural gas when blended with hydrogen. For this purpose, a systematic evaluation was carried out on the predictive accuracy of three well-known models, the Peng−Robinson equation of state (EoS), the multiparameter empirical GERG-2008 model, and the molecular-based polar soft-SAFT EoS, in describing the thermodynamic behavior of mixtures of hydrogen with commonly found components in natural gas. Deviations between the calculated properties and experimental data for phase equilibria, critical loci, second-order derivative properties and viscosities are used to determine the accuracy of the models, with polar soft-SAFT performing either equally or better than the other two examined models. The evaluation for the effect of H 2 content on the properties of methane, simulated as natural gas at conditions for transportation, reveals higher changes in blend density and speed of sound with increasing H 2 content within 5% change per 5 mol % H 2 added, while viscosity is the least affected property, changing by 0.4% for every 5 mol % H 2 .

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Section: Resultsmentioning

confidence: 99%

Accurate Predictions of the Effect of Hydrogen Composition on the Thermodynamics and Transport Properties of Natural Gas

Alkhatib

Alhajaj

Almansoori

et al. 2022

Ind. Eng. Chem. Res.

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“…Hence, they will bring higher centrifugal force that direct them to the cyclone walls, where they collide with and lose their momentum. This magnitude of the centrifugal force can vary from 5 times gravitational force in large, low velocity unit to 2000 times gravitational force in small, high-pressure units [88]. In addition, the high value of both revolution and flow rate of the drying medium promotes the creation of swirling movement inside the cyclone chamber that increases the probability of the dried particles to strike the cyclone wall.…”

Section: Product Separation Parametersmentioning

confidence: 99%

A Brief Overview of Spray Drying Technology and Its Potential in Food Applications

Kumoro,

Wardhani,

Kusworo

et al. 2024

J. Hum. Earth Future

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Spray drying is one of the most preferred preservation methods that converts an aqueous feed containing solvent, carrier agent, and food compounds into dry powder with superb physicochemical and functional properties. This paper reviews the fundamental and important operating parameters, product characteristics, current and potential applications, and techno-economic aspects of spray drying. The key operating parameters should be chosen to achieve the highest spray drying performance in terms of operational efficiency and product quality. A successful spray drying operation is greatly dependent on the feed material properties, the mechanical design of the equipment, and selected operating parameters. This paper also found that water content, water activity, and glass transition temperature are the main parameters that really determine product quality in terms of shelf life and storage conditions of food powder obtained from the spray drying process. Recent advances in the development of new heatless spray drying technology in the manufacture of food flavoring and nutraceuticals are interesting to develop, in addition to the potential to produce nano-sized powders with distinctive properties and the use of superheated steam and carbon dioxide to sterilize products. The appropriate information on spray drying technology featured in this paper is targeted to reinforce researcher and practitioner understanding for widening its applications in pertinent food industries. Doi: 10.28991/HEF-2024-05-02-09 Full Text: PDF

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Basic Equations and Physical Properties of a Reference Binary Mixture

2022

Coupled Heat and Mass Transfer in Binary Mixtures at Supercritical Pressures

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Phase Behavior of Natural Gas Systems

Cited by 3 publications

References 126 publications

Accurate Predictions of the Effect of Hydrogen Composition on the Thermodynamics and Transport Properties of Natural Gas

Accurate Predictions of the Effect of Hydrogen Composition on the Thermodynamics and Transport Properties of Natural Gas

A Brief Overview of Spray Drying Technology and Its Potential in Food Applications

Basic Equations and Physical Properties of a Reference Binary Mixture

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