Adsorption Properties of Alumina Modified with Nickel Nanoparticlesстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
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Дата последнего поиска статьи во внешних источниках: 25 декабря 2013 г.
Аннотация:Adsorption properties of parent ãalumina, and ãalumina, modified with nickel nanoparticles (from 0.6 to 18 wt %), are investigated by dynamic sorption. Nhexane, benzene, chloroform, diethyl ether, chlorobenzene, and o-dichlorobenzene are used as test adsorbates. Adsorption isotherms are measured, and isosteric adsorption heats are calculated. Electron-donating and electron-accepting characteristics of surfaces of parent ãalumina and ãalumina, modified with Ni nanoparticles, are estimated. It is stablished that the surface of parent ãalumina has mainly electron-accepting properties, while the surface of ãalumina modified with Ni nanoparticles has electron-donating properties. It is shown that benzene and chlorobenzene are sorbed via physical adsorption on the parent and modified ãalumina, and
o-dichlorobenzene is sorbed via chemosorption.