anodic oxidation of ciprofloxacin using different graphite felt

FeS 2 /carbon felt as an efficient electro

2021/3/27The contribution of different oxidation types to the EF process was calculated using kinetic analysis and quenching experiments to verify the role of the FeS 2-modified cathode. The reaction contributions of anodic oxidation (AO), H 2 O 2 electrolysis (EP), and EF oxidation to CBZ removal were 12.81%, 7.41%, and 79.77%, respectively.

Comparative Degradation of Atrazine by Anodic

2018/9/28Anodic oxidation capacities of graphite and platinum (Pt) electrodes were investigated for the degradation of the herbicide atrazine in synthetic aqueous medium. The electro-oxidation of atrazine under various supporting electrolytes and applied currents was conducted in an undivided reactor with different electrode materials. The electrochemical behavior between anode material and supporting

Anodic Formation of Aryl Mesylates through

2018/5/13Nevertheless, further oxidation of mesylate 11, hopefully resulting in twofold mesylation, should be possible. Therefore, naphthalene (9) was subjected to anodic mesylation at isostatic graphite, carbon‐felt and BDD anodes at a current density of 2.0 mA/cm 2.

Application of anodic oxidation, electro

-2- Abstract The degradation of 100 cm3 of a solution with 0.167 mmol dm-3 Reactive Yellow 160 (RY160) azo dye in sulfate medium of pH 3.0has been comparatively studied by oxidation with anodic electrogenerated H 2O 2 (AO-H 2O 2), electro-Fenton (EF) and UVA photoelectro-Fenton (PEF).

Anodic Formation of Aryl Mesylates through Dehydrogenative

material, different carbon-based materials, like isostatic graphite, glassy carbon, boron-doped diamond (BDD), carbon-felt and carbon-roving SIGRAFIL were test ed at different current densities. The best yield of mesylate 11 was obtained at a current density of 2

Hierarchical mesoscale assembly of PbO2 on 3D titanium

2020/9/24The polarisation curves are shown in figure 6 for anodic oxidation of RB-5 dye, comparing the performance of two electrodes i.e. Ti felt/TiO 2 NTs/PbO 2 and Ti felt/TiO 2 NTs. The curves show that Ti felt/TiO 2 NTs/PbO 2 exhibited a more efficient colour removal with linear pseudo first order degradation at a controlled potential 1.5 V versus Hg/HgO as seen in figures 7 and 8 .

(PDF) Electroenzymatic degradation of azo dye using an

In an anodic oxidation process, the water molecules are adsorbed on the anode surface and then oxidized by the anodic electron transfer reaction. In an indirect oxidation process at the cathode, a strong oxidant, H 2 O 2, is generated by electrochemical reactions and used for HRP immobilized on the carbon electrode, thereby accelerating the degradation of chemical pollutants present in the

Molybdenum and Cobalt Silicide Field Emitter Arrays

2019/6/30Graphite felt was used as a common cathode. SMFC was single chambered and did not use any redox mediator. The aimof this workwas to find efficient anodic material. Oxidation reduction potential (ORP), cell voltage, current density, power density, pH and

SIMULTANEOUS REMOVAL OF ORGANIC MATTER AND NITRATE FROM AQUEOUS SOLUTIONS USING

(c) Microscope image of graphite felt (100 x). (d) Microscope image of carbon felt (100 x). (e) FESEM image of GAC (10,000x). (f) FESEM image of GAC (100,000x). 40 Figure 4.3: Organic matter and nitrate-nitrogen removal efficiency at different 42 Figure 4.4

(PDF) Development of a system for treatment of coconut

The coconut processing industry generates a significant amount of liquid waste. New technologies targeting the treatment of industrial effluents have emerged, including advanced oxidation processes, the Fenton reaction, and electrochemical processes,

Frontiers

2019/10/9For the graphite grades comparison experiments, the electrodes were prepared by coating 2 2 0.5 cm graphite plates with insulating varnish and drilling a hole of 1 cm diameter in the center of the electrode (see Supplementary Figure 2), so that only the surface inside the hole (surface area = 1.57 cm 2) was electroactive.. This has made possible to exclude the influence of any surface

SIMULTANEOUS REMOVAL OF ORGANIC MATTER AND NITRATE FROM AQUEOUS SOLUTIONS USING

(c) Microscope image of graphite felt (100 x). (d) Microscope image of carbon felt (100 x). (e) FESEM image of GAC (10,000x). (f) FESEM image of GAC (100,000x). 40 Figure 4.3: Organic matter and nitrate-nitrogen removal efficiency at different 42 Figure 4.4

Anodic Degradation of CI Reactive Blue 221 Using

2009/1/14Anodic degradation of the biorecalcitrant reactive dye CI Reactive Blue 221 was investigated using graphite and IrO2/TaO2/RuO2 coated titanium electrodes in a batch reactor setup. The decolorization and mineralization of the dye molecule was monitored by UV−visible spectrophotometric method and chemical oxygen demand (COD) and/or total organic carbon (TOC) measurements,

Oxidative treatment of wastewaters

Graphite plates are subjected to anodic oxidation for different times in 50% strength by weight aqueous nitric acid at a current density of 2 kA/m 2 and at +30 C. The samples are washed with distilled water and degassed for 12 hours under 3.10-8 mbar.

Efficiency and stability of carbon cloth electrodes for electricity production from different types of waste water using

graphite felt 14,15, graphite 16,17, carbon cloth 18,19, graphene 20, carbon nanotubes 21-23 macroporous polymers 26 has been used by different workers in different designs using different substrate and inoculums. Objective of the present work is to test the

Improving electrochemical properties of carbon paper as negative electrode for vanadium redox battery by anodic oxidation

2019/7/10Anodic oxidation with different electrolyte was employed to improve the electrochemical properties of carbon paper as negative electrode for vanadium redox battery (VRB). The treated carbon paper exhibits enhanced electrochemical activity for V 2+ /V 3+ redox reaction. redox reaction.

Fe II Fe III layered double hydroxide modified carbon felt

2021/4/9In situ synthesis of FeOClMoS 2 on graphite felt as novel electro-Fenton cathode for efficient degradation of antibiotic ciprofloxacin at mild pH. Liu Z, Wan J, Ma Y, Wang Y Chemosphere, 273:129747, 22 Jan 2021 Cited by: 0 articles |

Graphite Felt Modified with Bismuth Nanoparticles as

2014/3/1A graphite felt decorated with bismuth nanoparticles was studied as negative electrode in a vanadium redox flow battery (VRFB). The results confirm the excellent electrochemical performance of the bismuth modified electrode in terms of the reversibility of the V3+/V2+ redox reactions and its long‐term cycling performance. Moreover a mechanism that explains the role that Bi nanoparticles

Supplementary data Electrochemical oxidation of organic pollutants

Table S2 Indirect anodic oxidation of organic compounds (anode materials listed in alphabetical felt nitroaromatic waste 500-1000 A/m2 10-50% COD removal H2SO4 from 50-96%, T=25-40 C 2-methyl quinoxaline, 2,3- dimethyl quinoxaline, quinoxaline 158 2

Efficiency and stability of carbon cloth electrodes for electricity production from different types of waste water using

graphite felt 14,15, graphite 16,17, carbon cloth 18,19, graphene 20, carbon nanotubes 21-23 macroporous polymers 26 has been used by different workers in different designs using different substrate and inoculums. Objective of the present work is to test the

Electrochemical removal of hydrogen sulfide from

2004/12/7Carbon felt was used in porous electrodes to achieve electrochemical oxidation of sulfide ions from flowing chloride brines. Using X-ray photoelectron spectroscopy (XPS) and Energy Dispersive Spectroscopy (EDS), sulfur was identified as the final reaction product under various potentials and temperatures. While some of the resulting sulfur flows out with the electrolyte, the rest remains

Sensitive Electrochemical Monitoring of Piroxicam in

A carbon ionic liquid electrode, fabricated using graphite and the ionic liquid 1-octylpyridinium hexafluorophosphate (OPFP) was used as an electrochemical sensor for piroxicam determination. Methods: The surface of the proposed electrode was characterized by scanning electron microscopy.

FeS 2 /carbon felt as an efficient electro

2021/3/27The contribution of different oxidation types to the EF process was calculated using kinetic analysis and quenching experiments to verify the role of the FeS 2-modified cathode. The reaction contributions of anodic oxidation (AO), H 2 O 2 electrolysis (EP), and EF oxidation to CBZ removal were 12.81%, 7.41%, and 79.77%, respectively.

Current recovery from sewage wastewater using

3.1 Electrochemical oxidation of graphite felt Fig. 2A shows current density as a function of time during the electrochemical oxidation of GF at +2.0 V vs. Ag/AgCl in 1% nitric acid; approximately 30–35 mA cm −3 of current density was produced in 1% nitric acid, while

ZrO2

2016/5/27To improve the electrochemical performance of graphite felt (GF) electrodes in vanadium flow batteries (VFBs), we synthesize a series of ZrO2-modified GF (ZrO2/GF) electrodes with varying ZrO2 contents via a facile immersion-precipitation approach. It is found that the uniform immobilization of ZrO2 nanoparticles on the GF not only significantly promotes the accessibility of vanadium

Characterisation and Surface Modification of Graphitic Felts

Φ none Porosity of graphite felt i kj mol-1 Chemical potential of species i cf g cm-3 Density of graphite felt χ none Dimensionless parameter none Dimensionless current Abbreviation Meaning BET Brunauer–Emmett–Teller BPPG Basal plane

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