Produced water from oil and gas exploration is one of the major challenges posed by the
energy sector due to the large volumes generated daily and the potential hazardous effects …

In recent years, new advanced oxidation processes based on the electrochemical
technology, the so-called electrochemical advanced oxidation processes (EAOPs), have …

The UV/free chlorine process forms reactive species such as hydroxyl radicals (HO•),
chlorine atoms (Cl•), Cl2•–, and O•–. The specific roles of these reactive species in aqueous …

The UV/chlorine process, which forms several reactive species including hydroxyl radicals
(HOradical dot) and reactive chlorine species (RCS) to degrade contaminants, is being …

A suite of analytical tools was applied to thoroughly analyze the chemical composition of an
oil/gas well flowback water from the Denver–Julesburg (DJ) basin in Colorado, and the …

Advanced oxidation processes (AOPs) have recently gained increasing attention as
promising alternatives to conventional water and wastewater treatment technologies. As an …

M-doped TiO 2 nanoparticles (M= Cu, Zn) were prepared by the sol–gel method. X-ray
diffraction (XRD), scanning electron microscopy (SEM), FT-IR and UV–vis spectroscopy …

The rising debate on the dilemma of photocatalytic water treatment technologies has driven
researchers to revisit its prospects in water decontamination. Nowadays, heterogeneous …

The photolysis of hypochlorous acid (HOCl) and hypochlorite (OCl−) produces a suite of
reactive oxidants, including hydroxyl radical (˙ OH), chlorine radical (Cl˙), and ozone (O3) …

Photolysis of free chlorine (HOCl/ClO–) is an advanced oxidation process (AOP) to produce
hydroxyl (HO•) and other radicals for refractory micropollutant degradation. However …