Electrochemical preparation and characterization of polyaniline enhanced electrodes: An application for the removal of cadmium metals in industrial wastewater

Tran, Thien Khanh; Kim, Nam Keun; Le, Quoc Cuong; Nguyen, Minh Tam; Leu, Hoang Jyh; Le, Thi, Kim, Phung,

doi:10.1016/j.matchemphys.2021.124221

Cited by 17 publications

(4 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In addition to the dangerous effects on the environment, the presence of the nitro group in nitrophenol enhances its stability in soil and water bodies (Ewis et al 2022 ). Hence, several remediation techniques have been fostered to get rid of these detrimental contaminants from water bodies, such as membrane separation, coagulation, electrolysis, ion exchange, and adsorption (Abdelfatah et al 2021a , Abdelfatah et al 2021b , Eltaweil et al 2022a , Karim et al 2019 , Li et al 2021 , Sadoon and M-Ridha 2019 , Saha et al 2022 , Tran et al 2021 , Wu et al 2021 ). The former technique has been applied more widely than the other techniques owing to its simplicity, low cost, high-efficacy, and low-energy consumption (Abdelfatah et al 2022 ; Deb et al 2021 ; Gomaa et al 2022b ; Mokhtar et al 2020 ; Raval et al 2021 ; Zhao et al 2021 ).…”

Section: Introductionmentioning

confidence: 99%

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

El-Monaem

Eltaweil

Eldin

et al. 2023

Environ Sci Pollut Res

View full text Add to dashboard Cite

Water pollution is a dreadful affair that has incessantly aggravated, exposing our planet to danger. In particular, the persistent nitro aromatic compound like nitrophenols causes anxiety to the researchers due to their hazardous impacts, excessive usage, and removal difficulty. For this purpose, a novel multi-featured composite was constructed based on κ-Carrageenan (κ-Carr), MOF (MIL-125(Ti)), and magnetic Fe3O4 for efficient adsorptive removal of o-nitrophenol (o-NP). Interestingly, BET measurements revealed the high surface area of Fe3O4-κ-Carr/MIL-125(Ti) of about 163.27 m2/g, while VSM showed its excellent magnetic property (20.34 emu/g). The comparison study pointed out the synergistic effect between Fe3O4, κ-Carr, and MIL-125(Ti), forming a composite with an excellent adsorption performance toward o-NP. The adsorption data obeyed pseudo-second-order kinetic model, and Freundlich isotherm model was better fitted than Langmuir and Temkin. Furthermore, Langmuir verified the supreme adsorption capacity of o-NP onto Fe3O4-κ-Carr/MIL-125(Ti) since the computed qmax reached 320.26 mg/g at pH 6 and 25 °C. Furthermore, the XPS results postulated that the adsorption mechanism pf o-NP proceeded via H-bonding, π-π interaction, and electron donor–acceptor interactions. Interestingly, Fe3O4-κ-Carr/MIL-125(Ti) composite retained good adsorption characteristics after reusing for five cycles, suggesting its viable applicability as an efficient, renewable, and easy-separable adsorbent for removing nitro aromatic pollutants.

show abstract

Section: Introductionmentioning

confidence: 99%

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

El-Monaem

Eltaweil

Eldin

et al. 2023

Environ Sci Pollut Res

View full text Add to dashboard Cite

show abstract

“…In this configuration, the air acts as the final electron acceptor, its availability on the cathode being necessary [ 55 ]. In the dual configuration, the anode and cathode are electrically connected by an external conductor, whereas both compartments are separated by a membrane [ 55 , 56 , 57 , 58 , 59 , 60 ]. Finally, the multiple configuration requires the participation of several units electrically connected in series or parallel and hydraulically connected individual, cascade, etc.…”

Section: Use Of Bio-electrochemical Processesmentioning

confidence: 99%

“…In the scientific studies, different substrates were fed to the microbial culture of the anodic chamber, those presenting higher yield in terms of electricity generation and metal recovery being the most biodegradable [ 65 , 73 ]. In other cases, real wastewaters have been coupled with the metals recovery in both synthetic and real AMD effluents [ 59 ] obtaining high recovery yields of the metals presenting the highest reduction potentials, mainly Cd, Cu, Fe, Al, Zn and Pb [ 64 , 66 ]. The coupling between anode and cathode has also been implemented with the objective of the antibiotic removal from hospital wastewater saving 478.88 Wh·m −3 of energy [ 67 ].…”

Section: Use Of Bio-electrochemical Processesmentioning

confidence: 99%

An Old Technique with A Promising Future: Recent Advances in the Use of Electrodeposition for Metal Recovery

Delgado¹,

Fernández-Morales²,

Llanos³

2021

Molecules

View full text Add to dashboard Cite

Although the first published works on electrodeposition dates from more than one century ago (1905), the uses of this technique in the recovery of metals are attracting an increasing interest from the scientific community in the recent years. Moreover, the intense use of metals in electronics and the necessity to assure a second life of these devices in a context of circular economy, have increased the interest of the scientific community on electrodeposition, with almost 3000 works published per year nowadays. In this review, we aim to revise the most relevant and recent publications in the application of electrodeposition for metal recovery. These contributions have been classified into four main groups of approaches: (1) treatment and reuse of wastewater; (2) use of ionic liquids; (3) use of bio-electrochemical processes (microbial fuel cells and microbial electrolysis cells) and (4) integration of electrodeposition with other processes (bioleaching, adsorption, membrane processes, etc.). This would increase the awareness about the importance of the technology and would serve as a starting point for anyone that aims to start working in the field.

show abstract

“…Metals 2021, 11, 529 2 of 14 Due to its high toxicity, there have been public efforts to reduce or eliminate the use of Cd in many countries [11]. Much research has been done on the removal of Cd by the hydrometallurgical process, e.g., the removal of Cd from sulfate solutions by electrochemical methods [12], the use the nature of organic matter to improve the separation efficiency [13], and the control of arsenic and Cd pollution in the mining process through comprehensive technology [14]. These methods have achieved good separation results, indicating that the electrochemical method has good applicability for the separation of Cd [15].…”

Section: Introductionmentioning

confidence: 99%

Effect of Cd2+ on Electrodeposition of Copper in Cyclone Electrodeposition

Wang

et al. 2021

Metals

View full text Add to dashboard Cite

A strategy to determine the effect of Cd2+ on the electrodeposition of copper from a copper electrolyte by cyclone electrowinning is presented. The concentration of Cu2+ in the copper electrolyte with different Cd2+ concentrations was determined by atomic absorption spectrometry (AAS). It indicated that the current efficiency, the rate of electrodeposition, and the rate copper electrodeposition decreased with the addition of Cd2+ in the three stages of electrodeposition. The current efficiency declined from 99.6 to 79.2% and the copper electrodeposition rate declined from 52 to 40% in the first electrodeposition. The current efficiency had no significant change, and the copper electrodeposition rate declined from 88 to 77% in the second electrodeposition. The current efficiency declined from 72.6 to 40.3%, and the copper electrodeposition rate was all at 99% in the third electrodeposition. The influences of the Cd2+ concentration on the purity and morphology of cathode copper were investigated. The effect of Cd2+ concentration on the purity and morphology of cathode copper was also studied. In the three-stage electrodeposition, the addition of the Cd2+ concentration mainly affected the microstructure of the cathode copper, but it had little effect on the purity of the cathode copper. The higher the amount of Cd2+, the rougher the morphology of the cathode copper and the larger the gap between the grains; the higher the amount of Cd2+, the lower the electrodeposition rate and current efficiency, though the reduction was small.

show abstract

Electrochemical preparation and characterization of polyaniline enhanced electrodes: An application for the removal of cadmium metals in industrial wastewater

Cited by 17 publications

References 41 publications

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

Adsorption of nitrophenol onto a novel Fe3O4-κ-carrageenan/MIL-125(Ti) composite: process optimization, isotherms, kinetics, and mechanism

An Old Technique with A Promising Future: Recent Advances in the Use of Electrodeposition for Metal Recovery

Effect of Cd2+ on Electrodeposition of Copper in Cyclone Electrodeposition

Contact Info

Product

Resources

About