Oualid Hamdaoui
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View article: Review of ultrasonication-assisted Fenton processes for degrading aqueous pollutants
Review of ultrasonication-assisted Fenton processes for degrading aqueous pollutants Open
Ultimate oxidation has attracted growing consideration due to its capacity to generate extremely reactive oxidants, such as OH. In particular, Fenton chemistry and ultrasonication (US) techniques have demonstrated significant potential for…
Quantifying Radical Pathways in a 425 kHz Sonoreactor: Coupled Calorimetric–Multidosimetric Assessment and Process Variable Impacts in Sunset Yellow FCF Degradation Open
This study quantifies radical pathways and the influence of process variables in a 425 kHz sonoreactor through a coupled calorimetric and multidosimetric approach during Sunset Yellow FCF degradation. Reactive oxygen species were mapped wi…
Synergism and Radicals Dynamics in the Efficient Degradation of Basic Blue 41 via UV/Chlorine Process: Dependence on Processing Conditions Open
The UV/chlorine process, a promising advanced oxidation process, demonstrates remarkable synergism and radical dynamics for the efficient degradation of Basic Blue 41 (BB41). This study investigates the effects of processing conditions, in…
Ultrasound/Peracetic Acid Degradation of Sunset Yellow FCF: Scavenger-Mapped Radical Pathways and the Impact of Salts and Environmental Water Matrices Open
The ability of ultrasound/peracetic acid (US/PAA) to degrade the azo dye Sunset Yellow FCF (SSY) was evaluated considering the impacts of power, pH, inorganic carbon, common salts, radical scavengers, and real water matrices. Pseudo-first-…
UV/TiO2/IO4− Advanced Oxidation of Safranin O: Disentangling Matrix Complexity and Radical-Scavenger Interference Open
The effectiveness of periodate-assisted photocatalysis in removing the cationic dye Safranin O (SO) was evaluated using a UV/TiO2/IO4− process operated at room temperature under near-neutral pH conditions. Under base conditions ([IO4−] = 0…
Scavenger-Probed Mechanisms in the Ultrasound/Chlorine Sono-Hybrid Advanced Oxidation Process Open
Sonochlorination (US/chlorine) is an emerging sonohybrid advanced oxidation process whose performance reportedly surpasses that of its individual components. However, the underlying oxidant budget is still being debated. We mapped the mech…
An Integrated Analytical and Extended Ponchon–Savarit Graphical Method for Determining Actual and Minimum Boil-Up Ratios in Binary Distillation Open
A rigorous framework for determining actual and minimum boil-up ratios in binary distillation combining analytical mass and energy balances with an extended Ponchon–Savarit graphical approach was implemented. First, global balances across …
Photocatalytic Degradation of Safranin O: Unraveling the Roles of Dissolved Gases, Environmental Matrices, and Reactive Species Open
This study investigates the impacts of the gas environment, water matrix, and reactive species on the TiO2-mediated photocatalytic degradation of safranin O (SO), a dye commonly found in wastewater. A slurry reactor (UVA, 365 nm) was used …
Removal of Diatrizoic Acid from Water via Liquid Surfactant Membrane with Aliquat 336 as Extractant: Operational Insights and Natural Water Matrices Open
Hospitals often use diatrizioic acid (DTZA), an iodinated radiocontrast agent, which is poorly biodegradable and persistent in aqueous media. Therefore, the objective of this work is to remove DTZA from water using an advanced separation p…
Synergistic Extraction of Samarium(III) from Water via Emulsion Liquid Membrane Using a Low-Concentration D2EHPA–TOPO System: Operational Parameters and Salt Effects Open
The synergistic effect of using D2EHPA and TOPO together to enhance the extraction of samarium(III) from aqueous media via emulsion liquid membrane (ELM) technology was explored. D2EHPA in binary mixtures with TBP and in ternary mixtures w…
Synergistic Recovery of Dysprosium(III) from Water via an Emulsion Liquid Membrane at Low Concentrations of Cyanex 272–D2EHPA: Impact of Process Factors and Water Sources Open
This study reports an investigation of the synergistic extraction of dysprosium (Dy(III)) from aqueous media using a low-concentration, binary carrier mixture of Cyanex 272 and D2EHPA within an emulsion liquid membrane (ELM). Within the te…
Cutting-edge techniques in low-temperature electrochemical water splitting: advancements in hydrogen production Open
This review provides a comprehensive examination of strategies aimed at advancing low-temperature electrolysis for sustainable hydrogen production. It begins by exploring the significance and challenges associated with water splitting, fol…
Photo(solar)-Activated Hypochlorite Treatment: Radicals Analysis Using a Validated Model and Assessment of Efficiency in Organic Pollutants Degradation Open
Reactive oxygen species (ROS) and reactive chlorine species (RCS) and their involvement in the degradation process are explored in this work by thorough kinetic modeling of the solar-activated hypochlorite degradation of Rhodamine B (RhB) …
Ultrasonic decomposition of endocrine disrupting Compounds − A review Open
Endocrine disrupting compounds (EDCs) need to be removed by efficient treatment methods as they are a major concern for both human and environmental health. To reduce the impact of EDCs in water, this review examines the use of ultrasonic …
Impacts of experimental parameters and natural water matrix on the elimination of ranitidine from water by emulsion liquid membrane Open
Ranitidine (RAN) is one of the most commonly recommended medications because it effectively reduces the amount of acid produced in the stomach, is persistent in aqueous solutions, and is nonbiodegradable. Hence, the goal of this study is t…
Preface Open
Water and wastewater decontamination remain critical challenges in our quest for sustainable environmental management and public health protection.Traditional methods, while effective, often fall short in addressing the complex and persist…
View article: Review on the impacts of external pressure on sonochemistry
Review on the impacts of external pressure on sonochemistry Open
The impact of hydrostatic pressure, commonly known as ambient or external pressure, on the phenomenon of sonochemistry and/or sonoluminescence has been extensively investigated through a multitude of experimental and computational studies,…