Selenium production

Refined Selenium

Selenium is an essential nutrient for human health, found in small amounts in soil, water, and some foods. It has various industrial uses, including as a dietary supplement and in the production of glass, pigments, and batteries. Refined selenium is produced through processing selenium-containing ores and copper refining by-products. The refining process involves several steps: crushing and grinding the ore, separating selenium-bearing materials, and purifying selenium through chemical reactions. The resulting refi...

Refined Selenium

Global Production History

Global Production Map

Production by Country