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Preparation of cost-effective photodegradation catalyst based on zinc oxide derived from electric arc furnace dust and kaolinite

Author:

Abdelghaffar S. Dhmees, Raed M. Hegazey, Ragaa E. El-Azabawy and Omnia A. A. El-Shamy

Subject Area:

Life Sciences

Abstract:

The disposal of industrial waste in a secure manner is the concern of many countries in the world. Herein, zinc oxide obtained from dangerous waste "Electric Arc Furnace Dust (EAFD)" that produced from steel manufacture. In addition, raw Egyptian kaolinite (white kaolinite and rich iron kaolinite) are used to enhance the photocatalytic activity of the separated ZnO by the formation of W-K@ZnO and Fe-K@ZnO, respectively. X-ray diffraction spectroscopy, BET surface area, and photoluminescence measurements are utilized to estimate the chemical structure of the prepared materials. The results show that the combination of riches iron kaolinite with ZnO enhance the photodegradation up to 98.2%. The presence of Fe2O3 promotes the absorption of ZnO into the visible region and delay the electron-hole recombination.

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