The application of iron mesh double layer as anode for the electrochemical treatment of Reactive Black 5 dye

Mook, Wei Tze; Ajeel, Mohammed A.; Szlachta, Małgorzata

doi:10.1016/j.jes.2016.02.003

Cited by 41 publications

(10 citation statements)

References 47 publications

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“…C.I. Reactive Black 5 dye was selected for the studies because it is extensively used in the textile industry for cotton and other cellulose fibre dyeing; it contributes to 50% of the total world demand for reactive dyes (Mook et al., 2016). It was purchased from Sigma-Aldrich (Germany) and used on commercially available purity level of 55%.…”

Section: Methodsmentioning

confidence: 99%

Application of silica–alumina oxides of different compositions for removal of C.I. Reactive Black 5 dye from wastewaters

Wawrzkiewicz

Wiśniewska

Gun’ko³

2017

Adsorption Science & Technology

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In this paper adsorptive removal of hazardous dye C.I. Reactive Black 5 from aqueous solutions was investigated using the mixed silica-alumina oxides including of 4% SiO 2 and 96% Al 2 O 3 as well as 97% SiO 2 and 3% Al 2 O 3 . The kinetic studies revealed that with the increasing initial dye concentration from 10 to 30 mg/l and contact time from 1 to 240 min, the sorption capacities (q t ) increased and the equilibrium was observed after 240 min. Sorption of C.I. Reactive Black 5 on 4% SiO 2 and 96% Al 2 O 3 and 97% SiO 2 and 3% Al 2 O 3 takes place through the pseudo-second-order mechanism rather than the pseudo-first-order one. The experimental data were fitted using the Langmuir and Freundlich isotherm models. The effect of the auxiliaries such as anionic surfactant (sodium dodecyl sulphate) and sodium chloride on C.I. Reactive Black 5 removal was investigated in the 10 mg/l C.I. Reactive Black 5-0.1-1 g/l sodium dodecyl sulphate or 5-20 g/l NaCl systems. The potentiometric titrations indicated that the presence of C.I. Reactive Black 5 changed the surface charge density of silicaalumina mixed oxides, especially in the case of 4% SiO 2 and 96% Al 2 O 3 system.

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Section: Methodsmentioning

confidence: 99%

Application of silica–alumina oxides of different compositions for removal of C.I. Reactive Black 5 dye from wastewaters

Wawrzkiewicz

Wiśniewska

Gun’ko³

2017

Adsorption Science & Technology

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“…Fourth, it is very helpful for appraising the depth of colored fabric to improve the technology of dyestuffs, process, fibrous materials' dyeability, and so on. For example, some special dyes and fabrics, such as black dyes, polyester fabrics, silk fabrics, and microfiber fabrics, are not easy to be dyed deeply. In this case, the color depth index can be used to investigate the techniques for deepening the color.…”

Section: Introductionmentioning

confidence: 99%

Investigation on new color depth formulas

Yang

Xie

Yang

et al. 2019

Color Research & Application

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Color depth is difficult to evaluate; however, it plays an important role in the assessments of color fastness, dyeing properties, and so on. The subjective evaluation of color depth is prone to be affected by people, environment, etc. As for objective evaluation, there are more than 10 formulas, which confuses the user. In this study, a theoretically designed new formula is inspected through 18195 chips with 24 grades of color depth from the SINO COLOR BOOK, with the help of four preferable objective evaluation formulas. The specimens were measured using an X-Rite Color i7 spectrophotometer, and all their depth values were calculated and statistically analyzed by programming MATLAB. Of the five formulas, the new formula yields the best outcome of variance coefficients (CVs) but the worst linearity, with a correlation coefficient R = 0.976. It was then theoretically revised to two other formulas, one obtains the highest linearity (R = 0.9997) and the third CV, and the other gains the second linearity (R = 0.9984) and the second CV among the seven formulas. Besides, the three new formulas are not as sensitive as the others to the changes of Hue and Chroma. In general, the new revised formulas show potential and need to be further evaluated.K E Y W O R D S color depth, dyestuff, equi-depth, formula, SINO COLOR BOOK

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“…The bio-refractory nature and strong toxicity of these chemicals motivate researchers to improve suitable techniques that can mineralize these pollutants. Many techniques were investigated to treat aromatic chemicals in wastewater, including adsorption [5], photochemical degradation [6], electrocoagulation [7][8][9] and advanced oxidation processes [6,[10][11][12][13]. Among these techniques, electrochemical oxidation of bio-…”

Section: Introductionmentioning

confidence: 99%

Development of diamond composite electrode for anodic oxidation of organic pollutants

Ajeel¹,

Hassan²,

Naje

et al. 2018

Journal of Environmental Chemical Engineering

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Nano-diamond composite electrode was prepared and used as anode for anodic oxidation process for organic chemicals. Electrochemical techniques such as impedance and cyclic voltammetry have been used to characterize the diamond composite electrode properties. The oxidation power of the electrode was 0.8 V vs. Ag/AgCl, the charge transfer rate was 12.1 Ohm, and the double layer capacitance was less than 1 µF. The anodic oxidation behavior of p-benzoquinone, 2-chlorophenol, and phenol over diamond composite electrode were investigated by cyclic voltammetry in 0.1 M H2SO4 (pH 3) solution and 0.25 M Na2SO4 (pH 6.8) solution. Results marked that the electro-oxidation of pbenzoquinone was more active than phenol and 2-chlorophenol in the both solutions. The

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The application of iron mesh double layer as anode for the electrochemical treatment of Reactive Black 5 dye

Cited by 41 publications

References 47 publications

Application of silica–alumina oxides of different compositions for removal of C.I. Reactive Black 5 dye from wastewaters

Application of silica–alumina oxides of different compositions for removal of C.I. Reactive Black 5 dye from wastewaters

Investigation on new color depth formulas

Development of diamond composite electrode for anodic oxidation of organic pollutants

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