TY - JOUR
T1 - Characteristics of pellet-type adsorbents prepared from water treatment sludge and their effect on trimethylamine removal
AU - Bae, Junghyun
AU - Park, Nayoung
AU - Kim, Goun
AU - Lee, Choul Ho
AU - Park, Young Kwon
AU - Jeon, Jong Ki
PY - 2014/4
Y1 - 2014/4
N2 - We optimized the preparation method of pellet-type adsorbents based on alum sludge with the aim of developing a high-performance material for the adsorption of gaseous trimethylamine. Effects of calcination temperature on physical and chemical properties of pellet-type adsorbents were investigated. The porous structure and surface characteristics of the adsorbents were studied using N2 adsorption and desorption isotherms, scanning electron microscope, X-ray diffraction, temperature-programmed desorption of ammonia, and infrared spectroscopy of adsorbed pyridine. The adsorbents obtained from the water treatment sludge are microporous materials with well-developed mesoporosity. The pellet-type adsorbent calcined at 500 °C had the highest percentage of micropore volume and the smallest average pore diameter. The highest adsorption capacity in trimethylamine removal attained over the pellet-type adsorbent calcined at 500 °C can be attributed to the highest number of acid sites as well as the well-developed microporosity.
AB - We optimized the preparation method of pellet-type adsorbents based on alum sludge with the aim of developing a high-performance material for the adsorption of gaseous trimethylamine. Effects of calcination temperature on physical and chemical properties of pellet-type adsorbents were investigated. The porous structure and surface characteristics of the adsorbents were studied using N2 adsorption and desorption isotherms, scanning electron microscope, X-ray diffraction, temperature-programmed desorption of ammonia, and infrared spectroscopy of adsorbed pyridine. The adsorbents obtained from the water treatment sludge are microporous materials with well-developed mesoporosity. The pellet-type adsorbent calcined at 500 °C had the highest percentage of micropore volume and the smallest average pore diameter. The highest adsorption capacity in trimethylamine removal attained over the pellet-type adsorbent calcined at 500 °C can be attributed to the highest number of acid sites as well as the well-developed microporosity.
KW - Acidity
KW - Microporous Material
KW - Pellet-type Adsorbent
KW - Trimethylamine
KW - Water Treatment Sludge
UR - http://www.scopus.com/inward/record.url?scp=84897574154&partnerID=8YFLogxK
U2 - 10.1007/s11814-013-0272-8
DO - 10.1007/s11814-013-0272-8
M3 - Article
AN - SCOPUS:84897574154
SN - 0256-1115
VL - 31
SP - 624
EP - 629
JO - Korean Journal of Chemical Engineering
JF - Korean Journal of Chemical Engineering
IS - 4
ER -