Abstract

Abstract An assessment of performance of zinc anodes on the cathodic protection of mild steel in 0.5 M hydrochloric acid was made at both the room and elevated temperatures. The cathodic protection reactions process was evaluated by weight-loss method, corrosion rate calculation and potential measurement methods. The effectiveness of zinc sacrificial anodes were found to be cathodically protective on mild steel in the hydrochloric acid at both the room temperature (27 °C) and elevated temperature (60 °C). There was close correlation of the results obtained for the weight-loss method and potential measurement in the HCL environment.

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