- An industrial method for electrolyzing sodium chloride (NaCl) solutions is known as the chloralkali process (also spelled Chlor-alkali and Chlor-alkali).
- It is the method used to make sodium hydroxide (caustic soda) and chlorine, which are common chemicals used by industry.
- This process was used to produce 35 million tonnes of chlorine in 1987. The chemical industry makes extensive use of the chlorine and sodium hydroxide produced by this process.
- Typically, a brine (an aqueous solution of NaCl) is used in the process, and as a result, sodium hydroxide (NaOH), hydrogen, and chlorine are produced. When calcium chloride or potassium chloride is used, calcium or potassium is used in place of sodium in the goods.
- It is known that similar processes can produce chlorine and sodium metal from molten sodium chloride or hydrogen and chlorine from condensed hydrogen chloride.
Explain the Chlor-alkali process.
Sodium chloride solution is electrolyzed using the Chlor-alkali method. In this procedure, electricity is transmitted through the sodium chloride aqueous solution, where it breaks down to generate sodium hydroxide.