2. Calcium carbide slag can replace limestone as cement, produce quicklime as calcium carbide raw material, produce chemical products, and produce building materials for environmental treatment.
3. The English name of carbide slag is carbide residue. In the process of producing acetaldehyde, polyvinyl chloride and vinyl acetate by acetylene method, the light gray residue obtained from the slurry discharged in the process of producing acetylene by calcium carbide is strongly alkaline, and its main component is calcium hydroxide, commonly known as calcium carbide residue, which is a major chemical solid waste.