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- Title
Ethylene Adsorption on Acid-treated Clay Minerals.
- Authors
Alver, Burcu Erdogan; Sakızcı, Meryem
- Abstract
The adsorption of ethylene (C2H4) on five clay minerals (sepiolite, two kaolinites and two bentonites) and on forms treated with 1 M HCl solution (SH, K1H, K2H, B1H and B2H) was investigated. Adsorption isotherms for ethylene on all clay minerals were obtained at 4 °C and 20 °C up to 37 kPa. X-Ray diffraction (XRD), thermal analysis (TG/DTA) and N2 adsorption analysis were used for structural and thermal characterization. It was found that the extent to which ethylene gas was adsorbed by natural and acid-treated sepiolites (0.424-0.859 mmol/g) was higher than that exhibited by natural and acid-treated bentonites (0.068-0.144 mmol/g) and by kaolinites (0.014-0.061 mmol/g) at both temperatures. The uptake of ethylene on the acid-treated clays increased in the order K1H < K2H < B1H < B2H < SH.
- Subjects
ADSORPTION (Chemistry); ETHYLENE; ACIDS; CLAY minerals; ATMOSPHERIC temperature; X-ray diffraction; THERMAL analysis
- Publication
Adsorption Science & Technology, 2012, Vol 30, Issue 3, p265
- ISSN
0263-6174
- Publication type
Article
- DOI
10.1260/0263-6174.30.3.265