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Quartz sand beneficiation technology

2023-05-10 Xinhai (63)

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Quartz sand, also known as silica sand, is one of the most important industrial raw materials, widely used in industries such as glass, foundry, ceramics, and refractories. Beneficiation of quartz sand refers to the process of removing impurities and obtaining high-purity quartz sand.

The quartz sand beneficiation process mainly includes crushing, screening, scrubbing, desliming, magnetic separation, flotation, acid leaching, microbial leaching, and other processes. The specific process depends on the nature of the ore and the requirements for the final product.

The first step in quartz sand beneficiation is crushing and screening, which can remove impurities such as mud and soil in the ore. After that, scrubbing and desliming processes are carried out to further remove impurities such as iron, aluminum, and magnesium. Magnetic separation and flotation are used to remove iron-containing minerals and other impurities.

Acid leaching and microbial leaching are also important methods for purifying quartz sand. Acid leaching can effectively remove iron and aluminum impurities, but it has certain environmental risks. Microbial leaching is a new technology that uses microorganisms to dissolve impurities and has the advantages of low cost and environmental friendliness.

The beneficiation process of quartz sand requires the use of various equipment, including crushers, vibrating screens, scrubbers, desliming equipment, magnetic separators, flotation machines, acid leaching tanks, and microbial leaching reactors.

In recent years, the demand for high-purity quartz sand has been increasing, and the beneficiation technology has also been continuously improved. With the development of new technologies such as automation, intelligent control, and green environmental protection, the beneficiation of quartz sand will become more efficient, economical, and environmentally friendly.

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