TY - GEN
T1 - Preparation of hydrated calcium silicate gel and its adsorption properties for cu (ii)
AU - Liu, Shijie
AU - Cui, Suping
AU - Guo, Hongxia
AU - Wang, Yali
AU - Li, Nan
AU - Gan, Yanling
AU - Zheng, Yan
N1 - Publisher Copyright:
© 2020 Trans Tech Publications Ltd, Switzerland.
PY - 2020
Y1 - 2020
N2 - Calcium silicate hydrate gel (CSH) was synthesized by calcium acetate and sodium silicate. The structure and morphology of CSH were characterized by X-ray diffraction analysis, Fourier transform infrared spectroscopy and Scanning electron microscopy. The adsorption performance of CSH was measured by static adsorption method. The results show that CSH has porous structure and large specific surface area, and the optimum reaction conditions is the reaction temperature of 25℃ and calcium-silicon ratio of 1.2. It has the maximum adsorption capacity of more than 150 mg/g and the removal rate of more than 86% with Cu2+. And it shows the excellent adsorption performance, even when the concentration of Cu2+ is less than 200mg/L, the removal rate is above 90%. The research may provide a low-cost and high-efficiency adsorbent.
AB - Calcium silicate hydrate gel (CSH) was synthesized by calcium acetate and sodium silicate. The structure and morphology of CSH were characterized by X-ray diffraction analysis, Fourier transform infrared spectroscopy and Scanning electron microscopy. The adsorption performance of CSH was measured by static adsorption method. The results show that CSH has porous structure and large specific surface area, and the optimum reaction conditions is the reaction temperature of 25℃ and calcium-silicon ratio of 1.2. It has the maximum adsorption capacity of more than 150 mg/g and the removal rate of more than 86% with Cu2+. And it shows the excellent adsorption performance, even when the concentration of Cu2+ is less than 200mg/L, the removal rate is above 90%. The research may provide a low-cost and high-efficiency adsorbent.
KW - Adsorption properties
KW - Calcium silicate hydrate
KW - Cu
KW - Preparation
UR - http://www.scopus.com/inward/record.url?scp=85087158887&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/MSF.993.1445
DO - 10.4028/www.scientific.net/MSF.993.1445
M3 - Conference contribution
AN - SCOPUS:85087158887
SN - 9783035715668
T3 - Materials Science Forum
SP - 1445
EP - 1449
BT - Functional and Functionally Structured Materials IV
A2 - Han, Yafang
PB - Trans Tech Publications Ltd.
T2 - 20th Chinese Materials Conference, CMC 2019
Y2 - 10 July 2019 through 14 July 2019
ER -