NDLI: Ethylene/ethane separation by CuCl/AC adsorbent prepared using CuCl2 as a precursor

Content Provider	Springer Nature Link
Author	Gao, Fei Wang, Yaquan Wang, Xiao Wang, Shuhai
Copyright Year	2016
Abstract	Activated carbon (AC) supported CuCl (CuCl/AC) for ethylene/ethane separation has been prepared with CuCl2 as precursor by a solid-state dispersion method. The samples are characterized by inductively coupled plasma optical emission spectrometry, X-ray diffraction, N2 adsorption/desorption and X-ray photoelectron spectroscopy, and investigated for ethylene (C2H4) and ethane (C2H6) adsorptions. The characterization results reveal that CuCl2 supported on AC can be highly dispersed on the surfaces of AC support and completely converted to CuCl after activation at 543 K in N2. The resultant adsorbent displays high ethylene adsorption capacity, high C2H4/C2H6 adsorption selectivity and excellent reversibility. The adsorption isotherms of ethylene and ethane on CuCl/AC at temperatures up to 333 K can be well fitted by the Sips models, and the corresponding isosteric heats of adsorption are calculated from the Clausius–Clapeyron equation. The value of isosteric heat of adsorption suggests that the interaction of ethylene with CuCl/AC is between physisorption and chemisorption.
Starting Page	1013
Ending Page	1022
Page Count	10
File Format	PDF
ISSN	09295607
Journal	Adsorption
Volume Number	22
Issue Number	7
e-ISSN	15728757
Language	English
Publisher	Springer US
Publisher Date	2016-08-25
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CuCl/AC adsorbent Ethylene Selectivity Reversibility Isosteric heat Industrial Chemistry/Chemical Engineering Surfaces and Interfaces, Thin Films Engineering Thermodynamics, Heat and Mass Transfer
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Surfaces and Interfaces

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