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http://dx.doi.org/10.9713/kcer.2015.53.1.121

Synthesis of Butenes through Butanol Dehydration over Catalyst Prepared from Water Treatment Sludge  

Kim, Goun (Department of Chemical Engineering, Kongju National University)
Bae, Junghyun (Department of Chemical Engineering, Kongju National University)
Choi, Hyeonhee (Department of Chemical Engineering, Kongju National University)
Lee, Choul-Ho (Department of Chemical Engineering, Kongju National University)
Jeon, Jong-Ki (Department of Chemical Engineering, Kongju National University)
Publication Information
Korean Chemical Engineering Research / v.53, no.1, 2015 , pp. 121-126 More about this Journal
Abstract
The objective of this study is to evaluate the catalytic potential of the porous material prepared from water treatment sludge. The textural properties of the catalyst were studied using $N_2$ adsorption and desorption isotherms, scanning electron microscope, and X-ray diffraction. The pellet-type catalyst prepared using water treatment sludge is determined to be a material that contains mesopores as well as micropores. The specific surface area of the catalyst is $157m^2/g$. Acidic characteristics of the catalyst are analyzed by temperature-programmed desorption of ammonia and infrared spectroscopy of adsorbed pyridine. 2-Butanol dehydration reaction was carried out in a fixed bed catalytic reactor. Yields of 1-butene, trans-2-butene, and cis-2-butene at $350^{\circ}C$ were 25.6 wt%, 19.2 wt%, and 29.9 wt%, respectively. This catalytic activity of the catalyst based on water treatment sludge in 2-butanol dehydration is due to the acid sites composed of Bronsted acid sites and Lewis acid sites. It was confirmed that the catalyst based on water treatment sludge can be utilized to produce $C_4$ olefin through butanol dehydration.
Keywords
Water Treatment Sludge; Catalyst; Acid Site; Butanol Dehydration; $C_4$ Olefin;
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Times Cited By KSCI : 4  (Citation Analysis)
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