Preparation of Plastering Mortar from Low-silicon Iron Tailings

LI Pengfei; LI Yubiao; LI Chaoqian; CHEN Kun; TANG Qizhou; WU Xiaoyong

doi:10.13779/j.cnki.issn1001-0076.2022.06.011

2022 Vol. 42, No. 6

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Article navigation > Conservation and Utilization of Mineral Resources > 2022 > 42(6): 81-88

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LI Pengfei, LI Yubiao, LI Chaoqian, CHEN Kun, TANG Qizhou, WU Xiaoyong. Preparation of Plastering Mortar from Low-silicon Iron Tailings[J]. Conservation and Utilization of Mineral Resources, 2022, 42(6): 81-88. doi: 10.13779/j.cnki.issn1001-0076.2022.06.011

Citation:

LI Pengfei, LI Yubiao, LI Chaoqian, CHEN Kun, TANG Qizhou, WU Xiaoyong. Preparation of Plastering Mortar from Low-silicon Iron Tailings[J]. Conservation and Utilization of Mineral Resources, 2022, 42(6): 81-88. doi: 10.13779/j.cnki.issn1001-0076.2022.06.011

Preparation of Plastering Mortar from Low-silicon Iron Tailings

1.
WISCO Resources Group Chengchao Mining Company Limited, Ezhou 436000, China
2.
School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
3.
Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan University of Technology, Wuhan 430070, China

More Information

Corresponding author: LI Yubiao, yubiao.li@whut.edu.cn

Received Date: 28 June 2022

Publish Date: 26 December 2022

Abstract

Abstract

Plastering mortar is a kind of mortar that mainly used on the surface of buildings or building elements, thereby protecting walls, improving moisture resistance, corrosion resistance and weathering resistance, and increasing its durability. Meanwhile, a flat, clean and beautiful building surface can be achieved after applying the plastering mortar. The stockpiling of large tailings in Yangjiawan tailings pond of WISCO Resources Group Chengchao Mining Co. LTD has difficulties for utilization due to its low-silica contents. In this paper, the effects of water-binder ratio, binder sand ratio, dispersible emulsion powder dosage, cellulose ether dosage and other factors on the performance of plastering mortar were investigated. A high admixture of 71.4% iron tailings (binder-sand ratio 1/2.5) was used to prepare the plastering mortar. The tailing-made plastering mortar with good compatibility, suitable consistency and setting time, and compressive strength of M5 grade was prepared, providing an effective way for the resource utilization of the large amount of low-silicon iron tailings in this tailing pond.
- low silica iron tailings /
- hydration reaction /
- compressive strength /
- plastering mortar

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References

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