Sulfite assisted rotating disc electrocoagulation on cadmium removal: Parameter optimization and response surface methodology

Xu, Longqian; Cao, Guangzhu; Xu, Xiaojun; He, Changhua; Wang, Yao; Huang, Qihua; Yang, Maiphone

doi:10.1016/j.seppur.2017.12.010

Cited by 22 publications

(3 citation statements)

References 40 publications

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“…Researchers have proposed a variety of anode and cathode geometries, such as cylindrical (rods) and helical wires, 7,22 rotating electrodes, 23,24 parallel rotating discs (Fig. 2(d)), 25 perforated electrodes of various shapes, i.e., cylindrical (Fig. 2(c)), discoids, 16,26,27 ball shaped anodes, 28 mesh wire (Fig.…”

Section: Initial Influent Concentrationmentioning

confidence: 99%

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Electrocoagulation as a revived wastewater treatment method‐practical approaches: a review

Magnisali

Yan

Vayenas

2021

J of Chemical Tech & Biotech

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This review paper aims to demonstrate electrocoagulation (EC) as a revived technology and introduce recent steps of advanced configurations, along with hybrid approaches for the efficient electrochemical treatment of multi-sourced wastewaters. A brief theoretical background is also provided. Moreover, the practical applications of the process are presented, while no previous research has ever attempted to do so. Through online-based data research, it was found that there are 75 manufacturers of EC systems internationally. Industrial case studies reveal actual process conditions and economical data. America holds 33% of global EC systems' manufacturing share and it is considered the leader in EC innovative designs with a percentage of almost 59%. In America and Europe, composite schemes are nearly equivalent to EC autonomous systems, with respective percentages of 41% and 47%. The performance of a two-stage process combining electro-coagulation (EC) and electro-oxidation (EO) has been proven to be the most successful combination in industrial wastewater treatment, representing 54% of hybrid systems available globally. Most of the commercialized EC systems are of small-medium sizes, accounting for 88% of all systems available worldwide. The latest trends on new reactor and electrode configurations are also presented. EC has great potential for further improvement as there is strong academic background to support water treatment companies for industrial scale ups. Cylindrical type reactors tend to dominate due to the ease of their use and maintenance; meanwhile, hybrid systems of EC with EO, membranes and/or adsorption will continue to expand on the market due to the mature level of these technologies and their ease of adaptation.

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Section: Initial Influent Concentrationmentioning

confidence: 99%

“…3(a)), 12 hopper bottom cells (Fig. 3(b)), 24 cuboid type cells, 25 rotating cylinder cells, 29 and others. The abovementioned cell designs are usually combined with advanced electrode designs.…”

Section: Temperaturementioning

confidence: 99%

Electrocoagulation as a revived wastewater treatment method‐practical approaches: a review

Magnisali

Yan

Vayenas

2021

J of Chemical Tech & Biotech

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“…Among these treatments, adsorption onto various materials is the main process which allows efficient and easy removal of heavy metals [5][6][7]. Among these metals, cadmium is known as one of the most harmful toxicants [8][9][10] and a lot of techniques have been investigated for its removal from water, such as precipitation, membrane filtration and adsorption [11], electrocoagulation [12][13][14][15] or membrane separation [16,17]. Physical processes require complex equipment and this fact explains the success of adsorptive removal of cadmium by low-cost adsorbents [18,19] and nanoadsorbents [20,21].…”

Section: Introductionmentioning

confidence: 99%

Optimization of cadmium ions biosorption by fish scale from aqueous solutions using factorial design analysis and Monte Carlo simulation studies

Jaafar

Darchen

Hamzi

et al. 2021

Journal of Environmental Chemical Engineering

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This work investigated cadmium ions biosorption on Fish scales (FS) of Sardina pilchardus. Different relevant parameters such as initial pH in the range 2.14 -7.76, initial cadmium concentration from 35 to 150 mg L -1 , and biosorbent dose in the range 50 -300 mg L -1 , were examined. The effect of these parameters on the cadmium removal was analyzed and optimized using full factorial design methodology and the analysis of variance. The kinetics were modelized for pseudo-second order and pseudo-first order models. Results showed that the pseudo-second order kinetic gave the best fit for equilibrium data. The biosorption isotherms were investigated for Freundlich and Langmuir models. Langmuir isotherm model gave the best fit and led to a maximum biosorption capacity of Cd(II) on FS of 52.08 mg g -1 . The results indicated that FS of was effective in the removal of cadmium ions. Optimum Cd(II) removal of 88.2% was calculated for pH 3, 75 mg L -1 of Cd(II) and 250 mg L -1 of FS. Monte Carlo simulation was used as relatively greener pathway to study the biosorption behavior of Cd(II) ions onto FS. It showed that the interaction Cd(II)hydroxyapatite was more favored than Cd(II)collagen.

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New star-fractal antenna devised as wireless sensor of the permittivity characterization measurement of Na2SO3 solutions

Al-Mudhafar

Malallah

2022

Microsyst Technol

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Sulfite assisted rotating disc electrocoagulation on cadmium removal: Parameter optimization and response surface methodology

Cited by 22 publications

References 40 publications

Electrocoagulation as a revived wastewater treatment method‐practical approaches: a review

Electrocoagulation as a revived wastewater treatment method‐practical approaches: a review

Optimization of cadmium ions biosorption by fish scale from aqueous solutions using factorial design analysis and Monte Carlo simulation studies

New star-fractal antenna devised as wireless sensor of the permittivity characterization measurement of Na2SO3 solutions

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