Catalytic Oxidation of CO Over a Catalyst Produced in the Ferrite Process

Abstract

Ferrite process has been established to be of a powerful method for treating heavy metal wastewater. Although the process can be used extensively, its application is limited by its high cost. This work explores the performance of a catalyst for CO conversion, which is generated from the sludge of the ferrite process. Accordingly, the value of the ferrite process is increased, and heavy metals in wastewater are used as valuable raw materials of catalysts. Experimental results indicate that the Cu–ferrite catalyst can completely convert CO to CO₂ at an inlet CO concentration of 4,000 ppm and a space velocity of 6,000 h^–1 were held at 140°C. The catalytic performance of Cu–ferrite did not reduce even when the concentration of O₂ was just 1%. The process in this work has good potential for use in environmental technology.