The process of preparing sulfuric acid from pyrite includes raw material preprocessing, roasting, capture and purification of sulfur dioxide, oxidation of sulfur dioxide, absorption of sulfur trioxide, and other processes.

Sulfuric acid is an inorganic substance with the molecular formula: H2O4S. Under normal temperature and pressure conditions, it is liquid and appears in an odorless form. It is modeled as a pure substance. Modeling this substance in a solution requires users to add the solvent of their choice in their model. At the consumer level, it is used in the following products: pH regulators and water treatment products, cleaning and cleaning products, metal surface treatment products, battery electrolytes, and laboratory chemicals. In industrial settings, this substance is used to manufacture products for the following industries: mining. This substance is used to manufacture: chemicals, metals, pulp, paper, and paper products, food, and metal products.