期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 159, 期 1, 页码 169-176出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2008.01.045
关键词
Hazardous molecules; Adsorption; Molecular modeling; Molecular simulation; Hydrogen cyanide; Methyl ethyl ketone
In the present research study the primary aim is to understand and characterize the physical adsorption of polar molecules namely, hydrogen cyanide and methylethyl ketone (MEK) in zeolite NaX, and activated carbon through detailed Monte-Carlo simulations and computational quantum chemistry techniques. The sorption capacity and affinity of the zeolite is compared with activated carbon with different acid site concentrations, type of acid site, and pore sizes by simulating single component isotherms and Henry's constant at 25 degrees C. The role/contribution of certain types of electrostatic interactions namely charge-dipole, charge-induced dipole with zeolite NaX and activated carbon, as well as dipole-dipole interactions among polar molecules is analyzed and discussed. (C) 2008 Elsevier B.V. All rights reserved.
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