Preparation of Foamed Ceramics Materials with Tantalum-niobium Tailings

ZHU Yi; HE Guichun; JIANG Zhangsong; DUAN Yilong; WANG Jingang; JIANG Yinmei; LIN Yue

doi:10.13779/j.cnki.issn1001-0076.2023.06.006

2023 Vol. 43, No. 6

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Article navigation > Conservation and Utilization of Mineral Resources > 2023 > 43(6): 54-60

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ZHU Yi, HE Guichun, JIANG Zhangsong, DUAN Yilong, WANG Jingang, JIANG Yinmei, LIN Yue. Preparation of Foamed Ceramics Materials with Tantalum-niobium Tailings[J]. Conservation and Utilization of Mineral Resources, 2023, 43(6): 54-60. doi: 10.13779/j.cnki.issn1001-0076.2023.06.006

Citation:

ZHU Yi, HE Guichun, JIANG Zhangsong, DUAN Yilong, WANG Jingang, JIANG Yinmei, LIN Yue. Preparation of Foamed Ceramics Materials with Tantalum-niobium Tailings[J]. Conservation and Utilization of Mineral Resources, 2023, 43(6): 54-60. doi: 10.13779/j.cnki.issn1001-0076.2023.06.006

Preparation of Foamed Ceramics Materials with Tantalum-niobium Tailings

1.
College of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China
2.
Jiangxi Provincial Key Laboratory of Mining Engineering, Ganzhou 341000, Jiangxi, China
3.
Key Laboratory of Green Development and Utilization of Strategic Rare Metal Mineral Resources, Ganzhou 341000, Jiangxi, China

More Information

Corresponding author: HE Guichun, heguichun@jxust.edu.cn

Received Date: 29 May 2023

Publish Date: 25 December 2023

Abstract

Abstract

The preparation of foamed ceramics from tailings is one of the high value utilization ways. Unfortunately, the influences of sintering parameters and raw composition on the compressive strength of tantalum-niobium tailings-based foamed ceramics are still obscure. In this paper, tantalum-niobium tailings-based foamed ceramics were prepared by direct foaming method with tantalum-niobium tailings as the main raw material, kaolin(28%) and albite(12%) as auxiliary materials, and silicon carbide (SiC) as the foaming agent. The influence of sintering temperature, holding time, SiC content and tailings addition amount on the compressive strength of the foamed ceramics were investigated. The results showed that with increasing holding time and sintering temperature, the compressive strength of foamed ceramics decreases. Furthermore, the compressive strength of tantalum-niobium tailings-based foamed ceramics with the increase of SiC content, first decreased and then increased. Further analysis of the influencing mechanism indicated that the change of pore structure was the main factor leading to the change of compressive strength.The compressive strength and porosity of the foamed ceramic prepared under the conditions of sintering temperature of 1150 ℃, holding time of 40 min, tailings addition amount of 65%, and SiC content of 0.5% are 9.94 MPa and 67.16% respectively.This paper provides a theoretical basis for the preparation of high-strength foamed ceramics from tantalum-niobium tailings.
- tantalum niobium tailings /
- foam ceramics /
- compressive strength

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References

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