Industrial acetylene gas is used for welding, synthesis of chemicals (such as solvents, plastics) and fuel for atomic absorption spectrometer.
Calcium cyanamide is used for slow-acting fertilizers and the production of dicyandiamide (DCD, raw materials for medicines and flame retardants).
Calcium carbide slag is mainly composed of Ca(OH)₂ and is used in building materials (bricks, cement), acid wastewater treatment and flue gas desulphurization.








