Experiment on the Comprehensive Recovery of Zirconium and Titanium from Seaside Quartz Sand Tailings

SHAO Weihua; LYU Liang; CHANG Xueyong; ZHAO Ping; WANG Shoujing; ZHANG Xiao

doi:10.12476/kczhly.202411130299

2025 Vol. 46, No. 5

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Article navigation > Multipurpose Utilization of Mineral Resources > 2025 > 46(5): 126-134

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SHAO Weihua, LYU Liang, CHANG Xueyong, ZHAO Ping, WANG Shoujing, ZHANG Xiao. Experiment on the Comprehensive Recovery of Zirconium and Titanium from Seaside Quartz Sand Tailings[J]. Multipurpose Utilization of Mineral Resources, 2025, 46(5): 126-134. doi: 10.12476/kczhly.202411130299

Citation:

SHAO Weihua, LYU Liang, CHANG Xueyong, ZHAO Ping, WANG Shoujing, ZHANG Xiao. Experiment on the Comprehensive Recovery of Zirconium and Titanium from Seaside Quartz Sand Tailings[J]. Multipurpose Utilization of Mineral Resources, 2025, 46(5): 126-134. doi: 10.12476/kczhly.202411130299

Experiment on the Comprehensive Recovery of Zirconium and Titanium from Seaside Quartz Sand Tailings

1.
Zhengzhou Institute of Multipurpose Utilization of Mineral Resources, CAGS, Zhengzhou, Henan 450006, China
2.
China National Engineering Research Center for Utilization of Industrial Minerals, Zhengzhou, Henan 450006, China
3.
Key Laboratory for Polymetallic Ores' Evaluation and Utilization, MNR, Zhengzhou, Henan 450006, China

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Corresponding author: CHANG Xueyong, 258335607@qq.com

Received Date: 13 November 2024

Publish Date: 25 October 2025

Abstract

Abstract

The test sample is quartz sand tailings from Wenchang, Hainan, and the main minerals are zircon, ilmenite, rutile, quartz, and a minor quantity of tourmaline, feldspar, magnesioferrite, and so forth. The original ore contains 0.23% ZrO₂, 0.47% TiO₂, and 97.80% SiO₂, and the zircon and titanium minerals are mainly distributed within the 0.15 mm to 0.063 mm particle size range, making them suitable for beneficiation and recovery. According to the nature of the ore, the re-election pre-election tailing throwing process flow of spiral chute, comprising one roughing and one scanning, heavy mineral combined shaking table selection, yielded a mineral yield of 1.71%, containing ZrO₂ 12.92%, TiO₂ 23.15%. The recovery rate of the pre-election rough concentrate was 94.93% and 84.13%, respectively. Furthermore, the pre-selected crude concentrate was subjected to a combined high-gradient strong magnetic separation-heavy separation process, which yielded a qualified ilmenite product and high-grade zircon and titanium mixed minerals. The high-grade zircon and titanium mixed minerals were then subjected to flotation separation, resulting in the production of qualified zircon sand and rutile products. Additionally, the quartz sand present in the pre-selected tailings is purified through the process of "gravity separation-strong magnetic separation-scrubbing-classification", thus providing quartz sand for photovoltaic glass. This process achieves the comprehensive recovery of valuable components from the tailings, providing a reference for the development and utilization of similar resources.
- titanium-zirconium separation /
- beach placer ores /
- zircon /
- comprehensive recovery

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References

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