نتایج جستجو برای: fenton is 76

تعداد نتایج: 7264379  

Journal: :تحقیقات نظام سلامت 0
شاهین بهزادی گروه مهندسی محیط زیست – آب و فاضلاب، دانشگاه آزاد اسلامی واحد علوم و تحقیقات خوزستان، خوزستان، ایران منصوره دهقانی گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شیراز، فارس، ایران محمد صادق سخاوتجو گروه مهندسی محیط زیست – آب و فاضلاب، دانشگاه آزاد اسلامی واحد علوم و تحقیقات خوزستان، خوزستان، ایران حسن هاشمی مربی، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

and cause health and environmental effects. this study investigates the optimization of the parameters affecting the advanced oxidation process fenton for improving toc removal from aqueous solution includes amoxicillin antibiotic by using taguchi experimental design. methods: in this study for evaluation the effect of factors and determination optimal conditions to removal toc by fenton proces...

Esrafili , Behnaz , Jalilzadeh Yengejeh , Reza ,

Background and objective: The wastewater discharged from textile industries is one of the main environmental pollutants that causes many problems for the environment if it is not treated or discharged. The present study compared Fenton oxidation process with coagulation and flocculation using the natural coagulant of Sodium Alginate in order to remove Reactive Red 198 Dye. Materials and method...

Journal: :jundishapur journal of health sciences 0
mansooreh dehghani research center for health sciences, department of environmental health engineering, school of health, shiraz university of medical sciences, shiraz, ir iran maryam mosleheyan department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran samaneh karimiyan department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran zahra faramarzi department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran marziye ansari department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran narges shamsedini department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran; department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran. tel: +71-37251003, fax: +71-37250226

background textile dyes are the largest organic compounds associated with some problems for the environment. advanced oxidation process is the most effective method for dye removal from wastewater. objectives the aim of this study was to investigate the efficiency of the photo fenton process for decolorization of direct red 81 (dr 81) dye, and to determine the optimal process conditions. method...

2013
S. Chitra K. Paramasivan P. K. Sinha

Ethylenediaminetetraacetic acid (EDTA) is a chelating agent that has been used for decontamination purposes in nuclear industry. The presence of EDTA in decontamination wastes can cause complexation of the cations resulting into interferences in their removal by various treatment processes such as chemical precipitation, ion exchange etc. Further, it might also impart elevated leachability of c...

Journal: :Catalysts 2023

Constructing heterostructure within electrocatalysts proves to be an attractive approach adjust the interfacial charge redistribution promote adsorption of reactive species and accelerate transfer. Herein, we present one-pot solvothermal synthesis Ti3C2 supported hollow CoS2/CoS microsphere with uneven distribution as cathodic catalyst, which displays a superior quasi-first-order degradation ra...

Journal: :مجله دانشکده بهداشت و انستیتو تحقیقات بهداشتی 0
اکبر غلامپور a gholampour علیرضا مصداقی نیا a.r mesdaghinia فروغ واعظی f vaezi رامین نبی زاده r nabizadeh مهرداد فرخی m farrokhi آذر قصری a ghasri

background and aim: 2,4-dichlorophenol (dcp) is a compound  generated in a variety of industrial processes and also by chlorine disinfection of water polluted with phenolic compounds . dumping of dcp into the environment and water resources is of great concern because of the compound's intense odor and toxicity. dcp is very soluble and resistant to biodegradability so it cannot be removed ...

Background and Objectives: Ciprofloxacin is an emerging and degradable pollutant that cannot be efficiently removed by common water and wastewater treatment processes. Electro-Fenton process is one of the most effective processes for the treatment of these compounds. Hence, the present study aimed to remove ciprofloxacin by Electro-Fenton method with heterogeneous catalysts, Fe+2 and Fe+3. Mat...

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...

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,...

2013
Pegah Bahmani Roshanak Rezaei Kalantary Ali Esrafili Mitra Gholami Ahmad Jonidi Jafari

Biodegradation of azo dyes is difficult due to their complex structures and low BOD to COD ratios. In the present study, the efficiency of using Fenton's reagent (H2O2 + Fe2+) as a pretreatment process to enhance microbial transformation of reactive black 5 (RB5) in an aqueous system was evaluated. The RB5 with an initial concentration of 250 mg/L was decolorized up to 90% in 60 h by using a ba...

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