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Now showing items 8926-8945 of 48739
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Electrochemical oxidation of 2-chloroaniline in single and divided electrochemical flow cells using boron doped diamond anodes
( Elsevier , 2021 , Article)Electrochemical oxidation (EO) using boron-doped diamond (BDD) electrodes attracted increasing interests due to its high efficiency in mineralizing chlorinated organic pollutants in water. However, it produces hazardous ... -
Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst
( Elsevier Ltd , 2021 , Article)Ni–C and Co/Ni–C electro-catalysts were prepared using solvothermal reaction method and used to oxidize ammonia in aqueous solution. Ni and Co were consistently dispersed in carbon generating spherical and porous structure ... -
Electrochemical oxidation of ammonia on nickel oxide nanoparticles
( Elsevier Ltd , 2019 , Article)NiO and NiOTiO2 nano-catalysts were synthetized using solution combustion synthesis (SCS) method and tested toward ammonia oxidation in synthetic and real wastewater. As-synthesized NiO nano-catalyst showed a tightly ... -
Electrochemical oxidation/disinfection of urine wastewaters with different anode materials
( MDPI , 2019 , Article)In the present work, electrochemical technology was used simultaneously for the deactivation of microorganisms and the destruction of micro-pollutants contained in synthetic urine wastewaters. Microorganisms (E. coli) were ... -
Electrochemical Performance of Na3V2(PO4)2F3 Electrode Material in a Symmetric Cell
( MDPI , 2021 , Article)A NASICON-based Na3V2(PO4)2F3 (NVPF) cathode material is reported herein as a potential symmetric cell electrode material. The symmetric cell was active from 0 to 3.5 V and showed a capacity of 85 mAh/g at 0.1 C. With ... -
Electrochemical performance of Ti3C2Tx MXene in aqueous media: towards ultrasensitive H2O2 sensing
( Elsevier Ltd , 2017 , Article)An extensive characterization of pristine and oxidized Ti3C2Tx (T: O, OH, F) MXene showed that exposure of MXene to an anodic potential in the aqueous solution oxidizes the nanomaterial forming TiO2 layer or TiO2 domains ... -
Electrochemical reduction of carbon dioxide to hydrocarbons
( Elsevier , 2022 , Book chapter)Global accumulation of CO2 in the atmosphere has become a significant environmental challenge in the past twodecades. Global warming and climate change resulting from increasing concentrations of CO2 are of utmost concern ... -
Electrochemical reduction of CO2 into formate/formic acid: A review of cell design and operation
( Elsevier , 2023 , Article Review)The release of carbon dioxide (CO2) into the atmosphere is threatening the environment and ecosystems, resulting in major challenges to sustainable development for modern industry. In this context, CO2 electrochemical ... -
Electrochemical removal of pyrite scale using green formulations
( Nature Research , 2021 , Article)Pyrite scale formation is a critical problem in the hydrocarbon production industry; it affects the flow of hydrocarbon within the reservoir and the surface facilities. Treatments with inorganic acids, such as HCl, results ... -
Electrochemical surface activation of commercial tungsten carbide for enhanced electrocatalytic hydrogen evolution and methanol oxidation reactions
( Elsevier B.V. , 2022 , Article)The chemistry of electrocatalysts deals with multiple critical factors to facilitate the electrochemical reactions. Among those, the rate limiting depends on electrons transfer for chemisorptions of molecules in redox ... -
Electrochemical system design for CO2 conversion: A comprehensive review
( Elsevier Ltd , 2023 , Article)This paper reviews the electrochemical reduction of CO2 and the design of CO2 electrolyzer cells using advanced materials and novel configurations to improve efficiency and reduce costs. It examines various system types ... -
Electrochemical, morphological, and spectroscopic study of poly(aniline-co-o-bromoaniline) (PA-co-o-BrA) conducting copolymer
( Institute for Ionics , 2018 , Article)A series of moderately conducting and soluble copolymers of poly(aniline-co-o-bromoaniline) (PA-co-o-BrA) having different compositions was obtained by in the situ copolymerization method using different concentrations of ... -
Electrochemically stable tunnel-type α-MnO2-based cathode materials for rechargeable aqueous zinc-ion batteries
( Frontiers Media , 2023 , Article)The purpose of this study is the synthesis of α-MnO2-based cathode materials for rechargeable aqueous zinc ion batteries by hydrothermal method using KMnO4 and MnSO4 as starting materials. The aim is to improve the ... -
Electrocoagulation treatment of reject brine effluent from Solvay process
( Desalination Publications , 2019 , Article)Solvay process is an efficient treatment technique for reject brine from desalination, where salinity is reduced by removing Na+ by adding NH3 . However, in this process large amounts of NH3 are consumed and Cl– ... -
Electrocoalescence of water drop trains in oil under constant and pulsatile electric fields
( Institution of Chemical Engineers , 2015 , Article)This study addresses the effectiveness of constant and pulsed DC fields in promoting coalescence of dispersed water drops in an oil-continuous phase. For this purpose, a train of drops of relatively uniform size is injected ... -
Electrode Surface Roughness Effect on the Breakdown Characteristics of Compressed Gas Cable
( Qatar University , 1988 , Article)The influence of electrode surface roughness on the breakdown field strength in SFu gas and mixtures is investigated. A coaxial electrode configuration is used to represent a practical gas insulated cable. With the use ... -
ELECTRODE SUSPENSION FOR AQUEOUS SODIUM FLOW BATTERY
(2022 , Master Thesis)In the current study, we attempt to formulate and characterize aqueous electrode suspensions (anolytes) composed of carbon black (KB) and sodium titanate (Na2Ti3O7; NTO) dispersed in branched micelle solution. The suspensions ... -
Electrodeposited Ni–Co layered double hydroxides on titanium carbide as a binder-free electrode for supercapacitors
( Elsevier Ltd , 2018 , Article)We report the synthesized mixture of MXene and Ni–Co LDH on nickel foam by an electrodeposition technique. The specific capacitance of the mixture attained 983.6 F g−1 at a discharge current of 2 A g−1, which is greater ... -
Electrodeposited white bronzes on brass: Corrosion in 3.5 % sodium chloride solution
( Elsevier , 2020 , Article)White bronzes are electrodeposited coatings applied on brass as surface finishes. We report a comparative study on the corrosion resistance in chloride aqueous environment of two white bronzes, a Zn-bearing and a Zn-free. ... -
Electrodeposition of 70-30 Cu-Ni nanocomposite coatings for enhanced mechanical and corrosion properties
( Elsevier , 2016 , Article)A copper-nickel alloy (70:30 ratio) was electrochemically deposited and compared to a composite coating incorporating layered silicate platelets to obtain copper-nickel-montmorillonite (MMT). The composite coatings were ...