Colloids and Surfaces A 538 (2018) 825–833 Contents lists available at ScienceDirect Colloids and Surfaces A journal homepage: www.elsevier.com/locate/colsurfa 3+ Sorption capacity and mechanism of Cr on tobermorite derived from ﬂy ash acid residue and carbide slag a b,c, b b,c b,c Jingjing Zou , Chunbin Guo , Xiaoqian Zhou , Yuejun Sun , Zhi Yang Department of Environment Science and Engineering, Liaoning Technical University, No. 47 of Zhonghua Road, Fuxin, 123000, China Department of Materials Science and Engineering, Liaoning Technical University, No. 47 of Zhonghua Road, Fuxin, 123000, China Jiangsu Donghai Silicon Industry Science and Technology Innovation Center, Donghai, 222300, China GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: In this study, tobermorite was successfully synthesized from two kinds of industrial wastes by single step hy- Coal ﬂy ash drothermal method. The structural and morphological changes during synthesis show that well-crystallized Tobermorite tobermorite can be obtained within 6 h at 180 °C in this system. The carbon impurities lead to a longer synthesis Carbide slag 3+ time and lower crystallinity of tobermorite. The tobermorite displays attractive adsorption capacity for Cr Hydrothermal method 3+ (4.87 mmol/g), which is 2–3 times higher than common clay minerals. Meanwhile, Cr adsorption
Geoderma – Elsevier
Published: Feb 15, 2019
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