期刊
JOURNAL OF MACROMOLECULAR SCIENCE PART B-PHYSICS
卷 47, 期 1, 页码 211-216出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00222340701748792
关键词
beta-cyclodextrin; aromatic hydrocarbons; inverse gas chromatography; adsorption
beta-cyclodextrin (beta-CD) is a potentially useful adsorbent for the adsorption of aromatic hydrocarbons from the gas phase and water. In this paper, the adsorption properties of beta-CD for adsorbing six aromatic hydrocarbons from the gas phase and seven aromatic hydrocarbons from water were measured. The inverse gas chromatography (IGC) technique was used to characterize the Flory interaction parameters of beta-CD and the six aromatic hydrocarbons from the gas phase at 40, 50, 60, and 70 degrees C. For these aromatic hydrocarbons, the order of beta-CD adsorption ability from strong to weak was: styreneethylbenzeneo-xylenechlorobenzenetoluenebenzene. For the seven aromatic hydrocarbons in water, adsorption values , were measured at 20, 30, 40, and 50 degrees C. The order of beta-CD adsorption ability from strong to weak was: ethylbenzeneo-xylenestyrenechlorobenzenetoluenebenzenephenol. This trend was explained based on their solubility degrees in water. It was found that the adsorption abilities of beta-CD for adsorbing aromatic hydrocarbons from the gas phase and water have a similar trend.
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