New insight into the plastic deformation mechanisms during the SiO<sub>2</sub> phase transition process

Wei, Zhenlun; Li, Yubiao; Li, Peiyue; Pan, Li; Li, Wanqing; Hu, Xianglin; Gu, Yunxiang

doi:10.1039/d3ra07633d

RSC Adv.

2024

DOI: 10.1039/d3ra07633d

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New insight into the plastic deformation mechanisms during the SiO₂ phase transition process

Zhenlun Wei,

Yubiao Li,

Peiyue Li

et al.

Abstract: The removal of lattice impurities is the key to the purification of high-purity quartz (HPQ), especially for the intracell lattice impurities.

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Innovative process for the extraction of 99.99% high-purity quartz from high-silicon iron ore tailings

Long,

Zhu,

Pan

et al. 2024

Journal of Materials Research and Technology

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Innovative process for the extraction of 99.99% high-purity quartz from high-silicon iron ore tailings

Long,

Zhu,

Pan

et al. 2024

Journal of Materials Research and Technology

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Study on the Preparation of High-Quality Quartz and Its Mechanism by Combining Pretreatment with Metallurgy

Huang,

Zhang

2024

Minerals

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As a strategically important resource with stable properties, high-purity quartz plays a crucial role in various fields such as high-purity quartz crucibles, semiconductors, and electronics. Currently, the availability of high-quality quartz resources is gradually diminishing, and there are no high-quality quartz deposits in some areas, making the improvement of low-quality quartz essential. This study focuses on the quartz sand produced through river dredging in Yueyang. The detected SiO2 content is 92.31%, which enables the secondary utilization of waste resources and provides significant environmental benefits. In this study, the iron oxide removal efficiency achieved through magnetic separation pretreatment can reach 87.24%. Following flotation, calcination, and leaching processes, high-purity quartz products with a total impurity content of less than 100 ppm were successfully obtained. In addition, the factors affecting magnetic separation and calcination effect were studied, and the process parameters for reference were obtained. The mechanism of microwave impurity removal was investigated using SEM, TG-MS, and in-situ XRD, demonstrating the feasibility of producing high-purity quartz from low-quality quartz.

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New insight into the plastic deformation mechanisms during the SiO₂ phase transition process

Abstract: The removal of lattice impurities is the key to the purification of high-purity quartz (HPQ), especially for the intracell lattice impurities.

Cited by 2 publications

References 30 publications

Innovative process for the extraction of 99.99% high-purity quartz from high-silicon iron ore tailings

Innovative process for the extraction of 99.99% high-purity quartz from high-silicon iron ore tailings

Study on the Preparation of High-Quality Quartz and Its Mechanism by Combining Pretreatment with Metallurgy

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New insight into the plastic deformation mechanisms during the SiO2 phase transition process

Abstract: The removal of lattice impurities is the key to the purification of high-purity quartz (HPQ), especially for the intracell lattice impurities.

Cited by 2 publications

References 30 publications

Innovative process for the extraction of 99.99% high-purity quartz from high-silicon iron ore tailings

Innovative process for the extraction of 99.99% high-purity quartz from high-silicon iron ore tailings

Study on the Preparation of High-Quality Quartz and Its Mechanism by Combining Pretreatment with Metallurgy

Contact Info

Product

Resources

About

New insight into the plastic deformation mechanisms during the SiO₂ phase transition process