Chemical Engineering Basics

Electrolytic reduction cell used for conversion of calcined Al2O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to_____.

  • A. Achieve very high purity of aluminium (99.9%)
  • B. Keep the electrolyte in liquid condition by the generation of heat
  • C. Electrolytically dissociate alumina
  • D. Both(b) & (c)
Answer: Option D.

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