الفهرس 
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Abstract
The aim of the present work is to study the effect of the variable affecting the rate of anodic oxidation of ferrous sulfate using a two compartment gas evolving electrochemical reactor in the context of managing acid pickling effluents.variables studied were current density or oxygen discharge rate ferrous sulfate concentration anode dimensions namely height and diameter and surface roughness of the anode which was made of lead coated with a layer of pb02.The results were expressed in terms of the mass transfer coefficient current efficiency and power consumption.The study revealed the following results:1.Simltaneous 02 evolution was found to increase the rate of oxidation feso4 by an amount ranging from 95% to 519% depaending on the operating conditions.
20The mass transfer coefficient of the anodic oxidation of feso4 was found to increase with increasing o2 discharge rate according to the equation:K=avn.The exponent(n)ranged from 0.267 to 0.509 depending on the operating conditions.