Fenton-Like Processes for the Removal of Cationic Dyes

Nanocatalysts for the Photodegradation of Organic Pollutants

“…Chemical structures of some frequently used POPs are presented in Scheme 1. Although some POPs occur naturally, e.g., dioxins and dibenzofurans from volcanoes, most of them are chemicals used in different anthropogenic activities including agriculture as pesticides, e.g., dichlorodiphenyltrichloroethane (DDT), chlordane, heptachlor, mirex, hexachlorobenzene, aldrin, dieldrin, endrin, etc., in industry, e.g., perfluorinated compounds, polychlorobiphenyls, hexachlorobenzene, etc., or unintentionally produced, by-products of industrial processes or resulting from the There are several methods practiced for the wastewater treatment including adsorption, filtration, precipitation, coagulation, electrocoagulation, flotation, membrane separation, chemical oxidation, chlorination, ozonation, and ultrafiltration [3,4]. Due to specific shortcomings of these methods, AOPs are well-established popular techniques.…”

“…There are several methods available to remedy wastewater, for instances, adsorption, filtration, flocculation, electrocoagulation, and AOPs [3][4][5]. Adsorption is the transfer of pollutants dissolved in water to the surface of a solid adsorbent.…”