| Issue |
MATEC Web Conf.
Volume 175, 2018
2018 International Forum on Construction, Aviation and Environmental Engineering-Internet of Things (IFCAE-IOT 2018)
|
|
|---|---|---|
| Article Number | 01020 | |
| Number of page(s) | 3 | |
| Section | Construction Materials | |
| DOI | https://doi.org/10.1051/matecconf/201817501020 | |
| Published online | 02 July 2018 | |
Application of fly ash/granulated blast-furnace slag cementing material for immobilization of Pb2+
1
Department of Chemical Engineering, Hebei University of Science & Technology, Shijiazhuang, 050018, China
2
Hebei Engineering Research Center of Solid Waste Utilization, Shijiazhuang, 050018, China
* Corresponding author : zhaofq3366@126.com
Based on activation and synergistic effect among various materials, a low-cost cementing material. FGC binder, was prepared by using fly ash. granulated blast-furnace slag (BFS). carbide slag and compound activator. The results showed that the immobilization efficiency of FGC binder for Pb2+: is higher than that of OPC cement. The hydration products and mechanism of immobilization were analyzed by using XRD. The major products of FGC binder are C-S-H, C-A-H. ettringite and zeolite-like materials. Under the experimental conditions, the Pb2+ curing efficiency of FGC binder is 1.04 ~ 1.24 times that of ordinary Portland cement.
© The Authors, published by EDP Sciences 2018
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