New PDF release: Advances in the Study of Gas Hydrates

By Charles E. Taylor, Jonathan T. Kwan

ISBN-10: 0306484811

ISBN-13: 9780306484810

ISBN-10: 0306486458

ISBN-13: 9780306486456

This booklet had its genesis in a symposium on fuel hydrates offered on the 2003 Spring nationwide assembly of the yank Institute of Chemical Engineers. The symposium consisted of twenty papers provided in 4 classes over days. extra visitor authors have been invited to supply continuity and canopy themes no longer addressed in the course of the symposium. gasoline hydrates are a distinct type of chemicals the place molecules of 1 compound (the visitor fabric) are enclosed, with no bonding chemically, inside of an open good lattice composed of one other compound (the host material). all these 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 by way of the host fabric. Commonexamples of gasoline hydrates are carbon dioxide/water and methane/water clathrates. At usual strain and temperature, methane hydrate comprises through quantity a hundred and eighty instances as a lot methane as hydrate. the us Geological Survey (USGS) has expected that there's extra natural carbon c- tained as methane hydrate than all other kinds of fossil fuels mixed. actually, methane hydrates may supply a fresh resource of power for numerous centuries. Clathrate compounds have been first found within the early 1800s while Humphrey Davy and Michael Faraday have been experimenting with chlorine-water combos.

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130. This page intentionally left blank 3 Phenomenological Modeling of Hydrate Formation and Dissociation Maria Carolina Gonzalez Chacin, Richard G. Hughes,* Faruk Civan, and Charles E. Taylor 1. INTRODUCTION Since the pioneering work of Hammerschmidt [1], the hydrate formation and dissociation phenomena have been the subject of numerous studies (Sloan, [2], and Makogan, [4]). Englezos, et al. [5,6]) proposed a model for hydrate formation based on experimental data they collected on the formation of hydrates of methane, ethane, and their mixtures at constant pressure or temperature.

11 inches) in length. The internal volume of the cell is approximately 40 ml. The cell is fitted with two machined end-caps, one of which contains a sapphire window to allow for observation of the contents of the cell using a CCD camera. The cell is fitted with ports to accommodate the fill gas inlet and reaction product outlet, a pressure transducer to monitor the internal pressure of the gas inside the cell, and a thermocouple that terminates inside the cavity of the cell to monitor the temperature of the liquid/hydrate mixture.

Phys. ), 1995, 237, 66. 17. Shen, Y. ; Oxtoby, D. W. J. Chem. , 1996, 105, 6517. 18 L. Gránásy et al. 18. Wang, S. ; Sekerka, R. ; Wheeler, A. ; Murray, B. ; Coriell, S. ; Braun, R. ; McFadden, G. B. Physica D, 1993,69, 189. 19. Cahn, J. ; Hilliard, J. E. J. Chem. Phys, 1958, 28, 258; 1959, 31, 688. 20. Kelton, K. F. , 1991,45, 75. 21. Kelton, K. ; Greer, A. L. Phys. Rev. B, 1988, 38, 10089. 22. ; Warren, J. ; Douglas, J. ; Ferreiro, V. , 2003, 2, 92. 23. ,Warren, J. ; Carter, W. C. Physica D, 1998, 119, 415.

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

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Categories: Geochemistry