نتایج جستجو برای: photo fenton

تعداد نتایج: 31299  

Journal: :Water 2023

The aim of this work is to investigate the enhancement UVC-based tertiary treatments; for purpose, real wastewater treatment plant (WWTP) effluent was spiked with a model pollutant, namely acetaminophen. UVC irradiation resulted in some photodegradation acetaminophen, which enhanced upon addition hydrogen peroxide (11 mM), but higher amounts oxidizing agent no significant acceleration process. ...

Journal: :Applied Water Science 2021

Abstract Abatement of water pollution is being a major concern to be dealt with, as the scarcity for basic needs human beings increasing drastically. As part diminishing pollution, treatment industrial wastewater prior disposal plays paramount role. Due typical characteristics pesticide, intermediate waste also challenging issue. In this study three different sequential methodologies (Methodolo...

Journal: :Journal of The Taiwan Institute of Chemical Engineers 2021

The main objective of this study is to optimize a two-step treatment for mature landfill leachate consisting electrocoagulation (EC) followed by Fenton or UVA-LED photo-Fenton processes aiming provide more efficient and feasible alternative strategy that also increases biodegradability decreases conductivity. Although 5 mA cm−2 EC cheaper than 10 per kg removed COD (0.63 vs. 0.89 € kgCOD−1), it...

Journal: :Environmental Chemistry Letters 2022

Abstract Conventional methods to clean wastewater actually lead incomplete treatments, calling for advanced technologies degrade recalcitrant pollutants. Herein we review solar photo-oxidation the contaminants in industrial wastewater, with focus on photocatalysts, reactor design and photo-Fenton process. We discuss limitations due low visible-light absorption, catalyst collection reusability, ...

Journal: :Journal of environmental management 2017
Chrysanthi Berberidou Vasiliki Kitsiou Dimitra A Lambropoulou Αpostolos Antoniadis Eleftheria Ntonou George C Zalidis Ioannis Poulios

The present study proposes an integrated system based on the synergetic action of solar photocatalytic oxidation with surface flow constructed wetlands for the purification of wastewater contaminated with pesticides. Experiments were conducted at pilot scale using simulated wastewater containing the herbicide clopyralid. Three photocatalytic methods under solar light were investigated: the phot...

Journal: :Water research 2011
Cristina Postigo Carla Sirtori Isabel Oller Sixto Malato Manuel Ignacio Maldonado Miren López de Alda Damià Barceló

The present manuscript describes the transformation and mineralization of methadone (MET) in aqueous solutions (demineralized water (DW) and synthetic municipal wastewater effluent (SWeff)) by natural solar irradiation and two solar photocatalytic processes: heterogeneous photocatalysis with titanium dioxide (TiO2) and homogeneous photocatalysis by photo-Fenton. Direct solar irradiation resulte...

2012
Noopur Ameta Jyoti Sharma Sanyogita Sharma Sudhish Kumar Pinki B Punjabi

The heterogeneous photo-Fenton degradation of coomasie brilliant blue R–250 under visible light has been investigated using copper modified iron oxide, which has been prepared by coprecipitation method and characterized by IR spectroscopy, scanning electron microscopy and X-ray diffraction. The rate of photocatalytic degradation of dye follows pseudo-first order kinetics. The effects of various...

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