TY - JOUR
T1 - Facile synthesis of tri(octyl-decyl) amine-modified biomass carbonaceous aerogel for rapid adsorption and removal of iodine ions
AU - Sun, Li
AU - Li, Kexin
AU - Huang, Jiancheng
AU - Jiang, Zhenqi
AU - Huang, Yunlong
AU - Liu, Haining
AU - Wei, Gang
AU - Ge, Fei
AU - Ye, Xiushen
AU - Zhang, Yujie
AU - Wu, Aiguo
AU - ZhijianWu,
N1 - Publisher Copyright:
© 2019 Institution of Chemical Engineers
PY - 2019/4
Y1 - 2019/4
N2 - Biomass carbonaceous aerogels (BCA) have shown wide applications for environment and energy. Herein, we present a facile method toward Tri(octyl-decyl) amine-modified BCA (BCA@N235) by using a hydrothermal synthesis and impregnating process. The synthesized BCA@N235 exhibits an excellent adsorption performance for I− ions, and the adsorption equilibrium requires only 2 h, which is faster than most of materials reported previously. In addition, the adsorption process is more consistent with the classic Langmuir and pseudo-second-order models. The maximal adsorption capacity for I− ions is 0.85 mmol/g at the initial pH of 2.0. The adsorption mechanism is further explored by Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy analysis, and corresponding control experiments, and it is proposed that the fast removal of I− ions by BCA@N235 is ascribed to the protonation-induced electrostatic interaction between I− ions and aerogel materials, in addition, a large number of macroporous structure on the surface and internal of BCA@N235 are beneficial to adsorb iodine ions.
AB - Biomass carbonaceous aerogels (BCA) have shown wide applications for environment and energy. Herein, we present a facile method toward Tri(octyl-decyl) amine-modified BCA (BCA@N235) by using a hydrothermal synthesis and impregnating process. The synthesized BCA@N235 exhibits an excellent adsorption performance for I− ions, and the adsorption equilibrium requires only 2 h, which is faster than most of materials reported previously. In addition, the adsorption process is more consistent with the classic Langmuir and pseudo-second-order models. The maximal adsorption capacity for I− ions is 0.85 mmol/g at the initial pH of 2.0. The adsorption mechanism is further explored by Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy analysis, and corresponding control experiments, and it is proposed that the fast removal of I− ions by BCA@N235 is ascribed to the protonation-induced electrostatic interaction between I− ions and aerogel materials, in addition, a large number of macroporous structure on the surface and internal of BCA@N235 are beneficial to adsorb iodine ions.
KW - Adsorption
KW - Adsorption mechanism
KW - Biomass carbonaceous aerogel
KW - Iions
KW - N235
UR - http://www.scopus.com/inward/record.url?scp=85062154945&partnerID=8YFLogxK
U2 - 10.1016/j.cherd.2019.02.013
DO - 10.1016/j.cherd.2019.02.013
M3 - Article
AN - SCOPUS:85062154945
SN - 0263-8762
VL - 144
SP - 228
EP - 236
JO - Chemical Engineering Research and Design
JF - Chemical Engineering Research and Design
ER -