Experimental clathrate dissociations for the hydrogen + water and hydrogen + tetrabutylammonium bromide + water systems

Antonin Chapoy; Jebraeel Gholinezhad; Bahman Tohidi

doi:10.1021/je100466k

Experimental clathrate dissociations for the hydrogen + water and hydrogen + tetrabutylammonium bromide + water systems

Antonin Chapoy, Jebraeel Gholinezhad, Bahman Tohidi

Heriot-Watt University

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Abstract

Hydrogen has only been recently recognized as a hydrate former, forming structure II hydrate (sII). In this communication, we report new experimental hydrate stability data for the binary hydrogen + water system at pressures ranging from (111.4 to 178.4) MPa and temperature down to 264.45 K. In addition, the formation and dissociation of so-called semiclathrates of hydrogen in the presence of tetrabutylammonium bromide (TBAB) were evaluated. The clathrate and semiclathrate dissociation measurements were conducted using a standard constant volume (isochoric) technique together with step-heating for achieving equilibrium conditions.

Original language	English
Pages (from-to)	5323-5327
Number of pages	5
Journal	Journal of Chemical and Engineering Data
Volume	55
Issue number	11
DOIs	https://doi.org/10.1021/je100466k
Publication status	Published - 1 Sept 2010
Externally published	Yes

Keywords

Gas hydrates
Hydrogen
clathrates
TBAB
dissociation
Experimental data

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10.1021/je100466k

Experimental Clathrate Dissociations
This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical and Engineering Data, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/je100466k
Accepted author manuscript (Post-print), 636 KB

Cite this

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title = "Experimental clathrate dissociations for the hydrogen + water and hydrogen + tetrabutylammonium bromide + water systems",

abstract = "Hydrogen has only been recently recognized as a hydrate former, forming structure II hydrate (sII). In this communication, we report new experimental hydrate stability data for the binary hydrogen + water system at pressures ranging from (111.4 to 178.4) MPa and temperature down to 264.45 K. In addition, the formation and dissociation of so-called semiclathrates of hydrogen in the presence of tetrabutylammonium bromide (TBAB) were evaluated. The clathrate and semiclathrate dissociation measurements were conducted using a standard constant volume (isochoric) technique together with step-heating for achieving equilibrium conditions.",

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T1 - Experimental clathrate dissociations for the hydrogen + water and hydrogen + tetrabutylammonium bromide + water systems

AU - Chapoy, Antonin

AU - Gholinezhad, Jebraeel

AU - Tohidi, Bahman

PY - 2010/9/1

Y1 - 2010/9/1

N2 - Hydrogen has only been recently recognized as a hydrate former, forming structure II hydrate (sII). In this communication, we report new experimental hydrate stability data for the binary hydrogen + water system at pressures ranging from (111.4 to 178.4) MPa and temperature down to 264.45 K. In addition, the formation and dissociation of so-called semiclathrates of hydrogen in the presence of tetrabutylammonium bromide (TBAB) were evaluated. The clathrate and semiclathrate dissociation measurements were conducted using a standard constant volume (isochoric) technique together with step-heating for achieving equilibrium conditions.

AB - Hydrogen has only been recently recognized as a hydrate former, forming structure II hydrate (sII). In this communication, we report new experimental hydrate stability data for the binary hydrogen + water system at pressures ranging from (111.4 to 178.4) MPa and temperature down to 264.45 K. In addition, the formation and dissociation of so-called semiclathrates of hydrogen in the presence of tetrabutylammonium bromide (TBAB) were evaluated. The clathrate and semiclathrate dissociation measurements were conducted using a standard constant volume (isochoric) technique together with step-heating for achieving equilibrium conditions.

KW - Gas hydrates

KW - Hydrogen

KW - clathrates

KW - TBAB

KW - dissociation

KW - Experimental data

U2 - 10.1021/je100466k

DO - 10.1021/je100466k

M3 - Article

SN - 0021-9568

VL - 55

SP - 5323

EP - 5327

JO - Journal of Chemical and Engineering Data

JF - Journal of Chemical and Engineering Data

IS - 11

ER -

Experimental clathrate dissociations for the hydrogen + water and hydrogen + tetrabutylammonium bromide + water systems

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Keywords

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