Theoretical Decomposition Voltage for Related Substance on Molten Salt Electrolysis Method to Remove Steel Surfaces of Sulfide Inclusions

Ying Xu; Hua Gao; Li Guang Zhu

doi:10.4028/www.scientific.net/AMR.239-242.628

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 239-242Theoretical Decomposition Voltage for Related...

Theoretical Decomposition Voltage for Related Substance on Molten Salt Electrolysis Method to Remove Steel Surfaces of Sulfide Inclusions

Abstract:

The theoretical decomposition voltage (EMF) for substances in FeS-CaCl₂-NaCl-KCl system was figured out. The results indicate that the EMF increases in sequence of FeS, CaCl₂, NaCl and KCl with inert anodes, and it drops with rising of temperature, increases with decreasing of FeS concentration. Under a lower FeS concentration, as a result, the anode effect can occur. Fe would be separated out from cathode and Cl₂ would be separated out from anode first in electrolytic desulfurization process.