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4 results on '"JIAHUI CHEN"'

1. An Ideal Absorbed Solution Theory (IAST) Study of Adsorption Equilibria of Binary Mixtures of Methane and Ethane on a Templated Carbon

Author

Kean Wang, Jiahui Chen, and Leslie S. Loo

Subjects
Chemistry, Component (thermodynamics), General Chemical Engineering, Binary number, chemistry.chemical_element, Thermodynamics, General Chemistry, Methane, chemistry.chemical_compound, Adsorption, Computer Science::Multimedia, Binary data, Organic chemistry, Ideal (order theory), Physics::Chemical Physics, Carbon
Abstract

The adsorption equilibria of pure methane and ethane gases as well as their binary mixtures were measured on a template-synthesized carbon. The pure component isotherm data were fitted to the Sips equation, while the binary equilibria were studied by the extended Sips equation as well as the ideal adsorbed solution theory (IAST). It was found that the IAST performed better than the extended Sips in predicting the binary data on the highly heterogeneous carbon sample.

Published
2011

2. High-Pressure CO2 Adsorption on a Polymer-Derived Carbon Molecular Sieve

Author

Jiahui Chen, Leslie S. Loo, and Kean Wang

Subjects
Langmuir, Chromatography, Chemistry, General Chemical Engineering, Analytical chemistry, chemistry.chemical_element, Sorption, General Chemistry, Microporous material, Molecular sieve, Adsorption, Desorption, Gravimetric analysis, Carbon
Abstract

CO2 sorption isotherms were measured on a polymer-derived carbon molecular sieve (CMS) at three temperatures and pressures up to 40 atm using the gravimetric method. The adsorption and desorption data were fitted to the Langmuir and Toth isotherms. Low-pressure CO2 isotherms were also measured on a standard pore and surface analyzer (PSA) rig. Strong surface barriers were found at low sorption pressure, but micropore hysteresis was not seen at high sorption pressure.

Published
2007

3. An Ideal Absorbed Solution Theory (IAST) Study of Adsorption Equilibria of Binary Mixtures of Methane and Ethane on a Templated Carbon.

Author

Jiahui Chen, Leslie S. Loo, and Kean Wang

Subjects
*SOLUTION (Chemistry), *ADSORPTION (Chemistry), *CHEMICAL templates, *CHEMICAL equilibrium, *INHOMOGENEOUS materials, *MIXTURES, *METHANE, *CARBON
Abstract

The adsorption equilibria of pure methane and ethane gases as well as their binary mixtures were measured on a template-synthesized carbon. The pure component isotherm data were fitted to the Sips equation, while the binary equilibria were studied by the extended Sips equation as well as the ideal adsorbed solution theory (IAST). It was found that the IAST performed better than the extended Sips in predicting the binary data on the highly heterogeneous carbon sample. [ABSTRACT FROM AUTHOR]

Published
2011
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4. High-Pressure CO2Adsorption on a Polymer-Derived Carbon Molecular Sieve.

Author

Jiahui Chen, Leslie S. Loo, and Kean Wang

Subjects
*MOLECULAR sieves, *CHEMICAL engineering, *ABSORPTION, *ATMOSPHERIC temperature
Abstract

CO 2sorption isotherms were measured on a polymer-derived carbon molecular sieve (CMS) at three temperatures and pressures up to 40 atm using the gravimetric method. The adsorption and desorption data were fitted to the Langmuir and Toth isotherms. Low-pressure CO 2isotherms were also measured on a standard pore and surface analyzer (PSA) rig. Strong surface barriers were found at low sorption pressure, but micropore hysteresis was not seen at high sorption pressure. [ABSTRACT FROM AUTHOR]

Published
2007

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