Abstract
Electrochemical changes occurring in sea water due to passage of smaller external currents have been studied. The effect of current on these changes (i.e. pH fall, chlorine liberation and formation of calcareous compounds) and of saline water composition (salinity, alkalinity, hardness and dissolved oxygen content) have also been studied. The role of different cathode materials as well as electrode geometry has been investigated. X-ray and IR spectra of different types of scales generated are presented. An attempt has been made to select optimum conditions for developing an electrochemical technique for pretreatment of saline waters in various types of desalting systems.
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