Technical calcium carbide with a CaC2 content of about 80% is produced in an electric arc furnace. Calcium carbide (CaC2) is formed from the chemical reaction of burnt lime and coke in an electric arc at 2,000 to 2,200 °C.
Almamet produces powders and mixtures of calcium carbide for secondary metallurgy in the iron and steel industry, tailored to the requirements profile of the customer.
Calcium carbide serves as a starting point for the production of acetylene, which is chemically processed into polymers or used as a welding gas.
The reaction with nitrogen leads to the production of calcium cyanamide, which is used as a special fertiliser or as a starting material for cyanamide chemistry.
In the iron and steel industry as a reducing and desulfurizing reagent.
Example: see download