نتایج جستجو برای: fenton reaction

تعداد نتایج: 414721  

ژورنال: سلامت و محیط زیست 2009
تکدستان, افشین, فرخی, مهرداد, موسوی, غلامرضا, کوتی, محسن,

Backgrounds and Objectives: Leachate is one of the landfill products and also a wastewaterbearing the most advers effects on the environment. Biological methods are usually employed for treatment of young leachate (1-2 years) wich is of high concentration of organic compounds with low molecular weight. However these methods are not approprate for mature leachate (5-10years) due to having high r...

2009
Marie Dvořáčková

Degradation of polyvinyl alcohol was studied a combination of chemical treatment with Fenton process and biological degradation in anaerobic environment. The experiment was based on different amounts of hydrogen peroxide and of Fe(II) added to water solution of PVA of concentration 200-500 mg.L. Fenton process was monitored by analyzing the total organic carbon (TOC) in the solution. Depending ...

Journal: :Acta biochimica Polonica 2000
N K Urbański A Beresewicz

UNLABELLED Iron and copper toxicity has been presumed to involve the formation of hydroxyl radical (*OH) from H2O2 in the Fenton reaction. The aim of this study was to verify that Fe2+-O2 and Cu+-O2 chemistry is capable of generating *OH in the quasi physiological environment of Krebs-Henseleit buffer (KH), and to compare the ability of the Fe2+-O2 system and of the Fenton system (Fe2+ + H2O2) ...

2018
Se Yeong Lee Yunki Lee Phuong Le Thi Dong Hwan Oh Ki Dong Park

Background Zwitterionic molecules have been widely studied as coating materials for preparing anti-fouling surfaces because they possess strong hydration properties that can resist non-specific protein adsorption. Numerous studies on surface modification using zwitterionic molecules have been investigated, such as electrochemically mediated and photoinitiated radical polymerization. However, th...

Journal: :Polymers 2023

MoS2 has garnered considerable attention as an exceptional co-catalyst that is capable of significantly enhancing the efficiency H2O2 decomposition in advanced oxidation processes (AOPs). This improvement allows for a reduction required amounts and Fe2+. In this study, we investigated cyclic durability photo-Fenton catalysts, focusing on degradation pollutants through introduction PPy into hete...

Abílio José Fraga do Nascimento Sobral Balu Krishnakumar Ganesamoorthy Thirunarayanan Inbasekaran Muthuvel, Kaliyamoorthy Gowthami Meenakshisundaram Swaminathan, Palusamy Suppuraj

Fe2V4O13 is prepared and characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), UV-diffuse reflectance spectroscopy (UV-DRS), high resolution scanning electron microscopy (HR-SEM) using energy dispersive X-ray spectroscopy (EDX) analysis. The hetero-Fenton catalyst can be used to mineralize Methyl Orange (MO) under UV-A light. The mineralization rate is influenced by hydr...

Journal: :Chemistry: A European Journal 2021

The latest applications of chemodynamic therapy (CDT) combined with multifunctional nanomaterials in tumor treatment are summarized. Nanomaterials different characteristics can optimize the Fenton reaction and Fenton-like to make CDT produce distinctive enhancement effects. combination nanomaterials, various other therapies would promote multi-functionalization system, thereby enhancing antican...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2003
Linxiang Li Yoshihiro Abe Tadahiko Mashino Masataka Mochizuki Naoki Miyata

In an ESR spin-trapping measurement of hydroxyl radicals formed in a Fenton reaction, the trapping efficiency with DMPO increased by about 300 times in a sodium trifluoroacetate solution, whereas it was little changed in a phosphate buffer.

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: Pollution 2019

Advanced Oxidation Processes (AOPs) have been employed to degrade biorefractory organic matters. This study investigates the combination of classical Fenton reaction with electrochemical oxidation, the electro-Fenton process, for the treatment of semi aerobic landfill leachate, collected from Pulau Burung Landfill Site (PBLS), Penang, Malaysia. The investigation has been carried out in batch re...

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