generally refers to calcium carbide, is the main component of calcium carbide, inorganic compounds, white crystals, industrial products for the gray-black lumps, cross-section of purple or gray. Immediate reaction with water to generate acetylene, and release heat. use:
1, calcium carbide is an important basic chemical raw materials, mainly used to produce acetylene gas. Also used in organic synthesis, such as acetylene welding.
2, acetylene generated by the reaction of calcium carbide and water can synthesize many organic compounds
For example: synthetic rubber, synthetic resin, acetone, ketene, carbon black, etc .; while acetylene-oxygen flame is widely used in metal welding and cutting.
3, heated powdered calcium carbide and nitrogen, the reaction of calcium cyanamide, that is, Lime
nitrogen, heated lime nitrogen and salt reaction generated cyanide melt for gold mining and non-ferrous metals industry.
4, calcium carbide itself can be used in the steel industry desulfurization agent.
5. Production of polyvinyl chloride (PVC) and calcium carbide process Polyvinyl chloride (PVC) is produced using calcium carbide (CaC2) and acetylene (C2H2) in water to synthesize vinyl chloride monomer (CH2CHCl) And then through the polymerization of vinyl chloride to generate polyvinyl chloride - [CH CHCI] n- chemical reaction method.
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