Zircon sand is a naturally occurring mineral sand that is composed of zirconium silicate (ZrSiO4). It is a valuable industrial mineral that is used in a variety of applications, including:
- Foundry sand: Zircon sand is used in foundry sand because it is highly refractory, meaning that it can withstand high temperatures without melting or breaking down. This makes it ideal for use in casting molds for metals such as aluminum, steel, and copper.
- Refractories: Zircon sand is also used in refractories, which are materials that are used to line furnaces and other high-temperature industrial equipment. Zircon sand refractories are highly resistant to heat, corrosion, and chemical attack.
- Abrasives: Zircon sand is used in abrasives because it is a hard and durable mineral. It is used in a variety of abrasive products, such as grinding wheels, sandpaper, and blasting grit.
- Ceramics: Zircon sand is used in ceramics because it can impart a number of desirable properties to ceramic products, such as high strength, durability, and chemical resistance.
India is a major producer of zircon sand. In 2020, India produced an estimated 1.2 million tonnes of zircon sand, accounting for about 10% of global production. The majority of India’s zircon sand is produced from beach sand deposits in Kerala and Tamil Nadu.
The zircon sand making line in India
The zircon sand making line in India typically consists of the following stages:
- Mining: Zircon sand is typically mined from beach sand deposits using dredging or other mining methods.
- Beneficiation: The mined zircon sand is then beneficiated to remove impurities such as ilmenite, rutile, and quartz. This is typically done using a combination of gravity separation, magnetic separation, and electrostatic separation.
- Drying: The beneficiated zircon sand is then dried to remove moisture.
- Grinding: The dried zircon sand is then ground to a desired fineness.
- Classification: The ground zircon sand is then classified to remove any oversize particles.
- Packaging: The finished zircon sand is then packaged for shipping.
The future of the zircon sand industry in India
The demand for zircon sand is expected to grow in the coming years, driven by the increasing demand for foundry sand, refractories, and ceramics. India is well-positioned to meet this demand due to its large reserves of zircon sand. However, the Indian zircon sand industry faces a number of challenges, such as environmental concerns, competition from other producing countries, and the need for more efficient and sustainable mining and processing methods.
The Indian government is taking steps to address these challenges and support the growth of the zircon sand industry. In 2020, the government announced a new mineral policy that aims to promote the development of the country’s mineral resources, including zircon sand. The policy includes a number of measures to encourage investment in the zircon sand industry, such as tax breaks and infrastructure development.
The future of the zircon sand industry in India is bright. With the support of the government and the continued growth of demand for zircon sand, India is well-positioned to become a leading producer of this valuable mineral.
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