Effect of sonication on ZnO and ZnO-Fe catalyst for colour and COD removal from Methylene Blue solution

Textile and cosmetics industries are among the industries which produce huge volume of dyes wastewater. Photocatalysis is of the methods that effectively treating dye wastewater. Semiconductor such as zinc oxide (ZnO) is one of the photocatalyst which is widely used in photocatalysis treatment metho...

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