Download e-book for iPad: Advances in the Study of Gas Hydrates by Charles E. Taylor, Jonathan T. Kwan

By Charles E. Taylor, Jonathan T. Kwan

ISBN-10: 0306484811

ISBN-13: 9780306484810

ISBN-10: 0306486458

ISBN-13: 9780306486456

This publication had its genesis in a symposium on fuel hydrates awarded on the 2003 Spring nationwide assembly of the yank Institute of Chemical Engineers. The symposium consisted of twenty papers awarded in 4 classes over days. extra visitor authors have been invited to supply continuity and canopy issues now not addressed through the symposium. gasoline hydrates are a distinct category of chemical substances the place molecules of 1 compound (the visitor fabric) are enclosed, with out bonding chemically, inside of an open reliable lattice composed of one other compound (the host material). these kinds of configurations are often called clathrates. The visitor molecules, u- best friend gases, are of a suitable dimension such that they healthy in the cage shaped through the host fabric. Commonexamples of gasoline hydrates are carbon dioxide/water and methane/water clathrates. At normal strain and temperature, methane hydrate includes via quantity a hundred and eighty instances as a lot methane as hydrate. the us Geological Survey (USGS) has anticipated that there's extra natural carbon c- tained as methane hydrate than all different kinds of fossil fuels mixed. in truth, methane hydrates may provide a fresh resource of power for a number of centuries. Clathrate compounds have been first came upon within the early 1800s whilst Humphrey Davy and Michael Faraday have been experimenting with chlorine-water combinations.

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Carolina Gonzalez Chacin et al. experiment concluded. The experimental data collected during this period was also considered in modeling. The overall driving force for the crystallization process was assumed to be the difference between the dissolved gas fugacity and the three-phase equilibrium fugacity at the experimental conditions. Carrying out a parametric analysis with the Englezos et al. model [5,6] and experimental data, Skovborg and Rasmussen [7] concluded that the agreement between some of the experimental data and the model was questionable.

The term on the right-hand side is the accumulation term, given as the rate of change of internal energy of the formation. 48 M. Pooladi-Darvish and H. Hong In the next section, we manipulate the different terms of Equation (1) to study the effect of different mechanisms of heat flow on hydrate decomposition. 4. SCOPE OF THE STUDY A numerical simulator based on Equation (1) along with fluid flow and kinetics equation’s has been developed and extensively validated [20, 21]. This model is used to study effect of heat flow on gas production from a hypothetical hydrate reservoir in the permafrost region.

Engng. , vol 42, No. 11, pp. 2647–2658,1987. 6. , Dholabhai, P. , and Bishnoi, P. : “Kinetics of Gas Hydrates Formation from Mixtures of Methane and Ethane”, Chem. Engng. , vol 42, No. 11, pp. 2669– 2666,1987. 7. Skovborg, P. : “A Mass Transport Limited Model for the Growth of Methane and Ethane Gas Hydrates”, Chem. , 49, pp. 1131. 1994. 8. , Bishnoi, P. : “Induction Phenomena in Gas Hydrate Nucleation”, Chem. Eng. , 49, pp. 2075–2084, 1994. 9. Makogon, Y. : “Gas Hydrates- Conclusion: Experiments Illustrate Hydrate Morphology, Kinetics”, OGJ, February 12, 2001.

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Advances in the Study of Gas Hydrates by Charles E. Taylor, Jonathan T. Kwan

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