نتایج جستجو برای: modified fenton

تعداد نتایج: 254131  

Journal: :Schizophrenia bulletin 2007
Robert K Heinssen

Wayne S. Fenton, MD, was an accomplished psychiatric researcher, but his colleagues knew him as an equally talented clinician. This memorial recognizes the personal qualities and professional skills that endeared Wayne Fenton to hundreds of mentally ill persons he treated over the course of his professional career. Among these attributes, deep compassion, sincere respect, and tremendous flexibi...

Journal: :Engineering, Technology & Applied Science Research 2022

This study investigated the degradation of organic pollutants using an advanced electrochemical oxidation technique in a batch reactor cell consisting graphite anode, modified by electrodeposition PbO2, and graphene-modified carbon fiber cathode. The experiment was designed Taguchi design approach with orthogonal array L18 to optimize Chemical Oxygen Demand (COD) electro-Fenton process. Four pr...

2016
Gaoyuan Liu Haibao Huang Ruijie Xie Qiuyu Feng Ruimei Fang Yajie Shu Yujie Zhan Xinguo Ye Cheng Zhong

A wet scrubbing process coupled with advanced oxidation processes (AOP) has raised great interest for the abatement of volatile organic compounds (VOCs) owing to its strong oxidation capacity and few byproducts. Fenton as an AOP has been widely used in wastewater treatment. However, the dosing method of Fenton reagents is not suitable for the treatment of continuous-flow VOCs waste-gas since H2...

Journal: :Catalysts 2021

Persistent organic contaminants affecting soil and groundwater pose a significant threat to ecosystems human health. Fenton oxidation is an efficient treatment for removing these pollutants in the aqueous phase at acidic pH. However, in-situ application of this technology remediation (where pHs around neutrality are required) presents important limitations, such as catalyst (iron) availability ...

Journal: :Chemical Engineering Journal 2021

Fenton-like system had long been modified to promote its adaptability and efficiency by adding extra components like metal chelators or reducers. Nonetheless, chelator such as ethylene diamine tetraacetic acid (EDTA) was harmful in high dosage. While strong reducers could efficiently the generation speed of hydroxyl radicals (HO), they also get oxidized easily during storage time, for which fur...

ژورنال: سلامت و محیط زیست 2010
احمدیان, محمد, جعفرزاده حقیقی فرد, نعمت اله, لؤلؤیی, مهشید, ملکوتیان, محمد,

Backgrounds and Objectives: Untreated leachate is discharging into the environment in the many countries of worldwide. Leachate treatment methods have not been unified so far due to variable composition of leachate. Moreover, the uncontrolled management of leachate, cause many environmental dissociates. The aims of this study apply the Fenton process to decrease the pollutants of Kerman leachat...

2016
Meysam Khosravifarsani Ali Shabestani Monfared Mahdi Pouramir Ebrahim Zabihi

INTRODUCTION Human serum albumin (HSA) is a critical protein in human blood plasma, which can be highly damaged by oxidative stress. The aim of this study was to analyze modifications of this protein after oxidation using a Fenton system. METHODS In this 2015 experiment, different ratios of Fenton reagent (Fe2+/H2O2) was incubated with one concentration of human serum albumin (1mg/ml). Hence,...

Journal: :Nanoscale 2014
Bang Lin Li Ling Xiao Chen Hao Lin Zou Jing Lei Lei Hong Qun Luo Nian Bing Li

Electrochemically induced Fenton (electro-Fenton) reaction was used for efficient and controllable preparation of hydroxyl radicals, leading to the generation of luminescent quantum dots through etching of as-exfoliated MoS2 nanosheets. Morphologic changes of MoS2 nanosheets during the electro-Fenton reaction were monitored using transmission electron microscopy, showing that etching of MoS2 na...

Journal: :Journal of hazardous materials 2013
Xiuping Zhu Bruce E Logan

Electro-Fenton reactions can be very effective for organic pollutant degradation, but they typically require non-sustainable electrical power to produce hydrogen peroxide. Two-chamber microbial fuel cells (MFCs) have been proposed for pollutant treatment using Fenton-based reactions, but these types of MFCs have low power densities and require expensive membranes. Here, more efficient dual reac...

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