Adsorption of Indigo Carmine from Aqueous Solution by Chitosan and Chitosan/Activated Carbon Composite: Kinetics, Isotherms and Thermodynamics Studies

Fatombi, Jacques K.; Idohou, Esta A.; Osseni, Sèmiyou A.; Agani, Ignace; Neumeyer, David; Verelst, Marc; Mauricot, Robert; Aminou, Taofiki

doi:10.1007/s12221-019-1107-y

Cited by 55 publications

(26 citation statements)

References 66 publications

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“…03-0226). 13,15 The results also reveal that the peaks for activated carbon do not appear in the pattern of MCHAC because of the amorphous structure of the carbonaceous material. 17,36 The plot of the N 2 physisorption of MCHAC at 77 K shown in Fig.…”

Section: Characteristics Of Mchacmentioning

confidence: 94%

“…The preparation process and the characteristics of the CH and AC were described in detail in previous work. 13 The MCHAC composite was prepared according to the coprecipitation method reported by Danalioglu et al 25 and Qu et al 26 According to the method, a mixture of 0.175 mol of FeSO 4 $ 7H 2 O (98.50%, Klincent Mumbai) and 0.350 mol of FeCl 3 (97%, Klincent Mumbai) with n (Fe 2+ ) : n (Fe 3+ ) ¼ 1 : 2 was dissolved in 100 mL of distilled water under stirring at 300 rpm for 2 h. Then, a solution of 2.5% (w/v) of chitosan was prepared by dissolving 5.0 g of chitosan in 250 mL of a 5% acetic acid solution under stirring for 6 h. Aer preparing, the chitosan solution was added to a solution of a mixture of (Fe 2+ /Fe 3+ ). Aer 6 h of stirring at 300 rpm, 10 g of activated carbon was introduced into the system.…”

Section: Preparation Of the Magnetite/chitosan/activated Carbon (Mchac)mentioning

confidence: 99%

“…11,12 Activated carbon, chitosan and their composites have mainly been used as adsorbents for organic pollutants and heavy metals in wastewater. [13][14][15][16] However, aer the adsorption process, the separation of the adsorbent-loaded pollutants from the reaction medium by ltration is very difficult. Thus, in order to solve the problem, research has been focused on the development of new materials for this purpose, including magnetic nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

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Removal of atrazine from aqueous solutions onto a magnetite/chitosan/activated carbon composite in a fixed-bed column system: optimization using response surface methodology

et al. 2020

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Section: Characteristics Of Mchacmentioning

confidence: 94%

Section: Preparation Of the Magnetite/chitosan/activated Carbon (Mchac)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Removal of atrazine from aqueous solutions onto a magnetite/chitosan/activated carbon composite in a fixed-bed column system: optimization using response surface methodology

et al. 2020

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“…On comparing the maximum adsorption capacities of AC, chitosan and CS/AC for Cd(II), Hydari et al [ 277 ] observed values of 10.3, 10.0, and 52.63 mg g −1 for AC, chitosan and CS/AC, respectively. Likewise, Auta and Hameed [ 278 ] observed synergistic effects between AC and chitosan in the removal of cationic and anionic dyes, while Fatombi et al [ 279 ] also concluded that the best performance was achieved with a CS/AC composite.…”

Section: Chitosan Supportsmentioning

confidence: 99%

Recent Developments in Chitosan-Based Adsorbents for the Removal of Pollutants from Aqueous Environments

et al. 2021

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The quality of water is continuously under threat as increasing concentrations of pollutants escape into the aquatic environment. However, these issues can be alleviated by adsorbing pollutants onto adsorbents. Chitosan and its composites are attracting considerable interest as environmentally acceptable adsorbents and have the potential to remove many of these contaminants. In this review the development of chitosan-based adsorbents is described and discussed. Following a short introduction to the extraction of chitin from seafood wastes, followed by its conversion to chitosan, the properties of chitosan are described. Then, the emerging chitosan/carbon-based materials, including magnetic chitosan and chitosan combined with graphene oxide, carbon nanotubes, biochar, and activated carbon and also chitosan-silica composites are introduced. The applications of these materials in the removal of various heavy metal ions, including Cr(VI), Pb(II), Cd(II), Cu(II), and different cationic and anionic dyes, phenol and other organic molecules, such as antibiotics, are reviewed, compared and discussed. Adsorption isotherms and adsorption kinetics are then highlighted and followed by details on the mechanisms of adsorption and the role of the chitosan and the carbon or silica supports. Based on the reviewed papers, it is clear, that while some challenges remain, chitosan-based materials are emerging as promising adsorbents.

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“…Generally, the surface area of adsorbent will be positive at low pH and can adsorb anionic dyes 41,42 . But the existence of CaCO3 the solution will be slightly alkaline.…”

Section: Comparison Of Adsorption Cationic and Anionic By Es+m Inmentioning

confidence: 99%

The fast and of low-cost-adsorbent to the removal of cationic and anionic dye using chicken eggshell with its membrane

Hevira¹,

Rahmi²,

Zein³

et al. 2020

Mediterr.J.Chem.,

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The use of the chicken eggshell with its membrane as low-cost adsorbent had been done to the removal of synthetic dyes in aqueous solution. Adsorption method in the batch system was done to adsorb Methylene Blue and Indigo Carmine as the cationic and anionic dyes. Some parameters were studied such as pH, contact time, initial concentration of dyes and mass of ES+M to find the optimum adsorption. The functional group of ES+M like hydroxyl, amine, carboxyl and thiol were used to binding the dyes. The characteristics of ES+M were determined by FTIR and XRF to analyzed functional group and elements composition before and after adsorption. The adsorption capacity optimum of ES+M to adsorb Methylene Blue was 11.54 mg/g with % RE 92.34% in 30 minutes, and Indigo Carmine was 8.04 mg/g with % RE 64.34% in 15 minutes.

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Adsorption of Indigo Carmine from Aqueous Solution by Chitosan and Chitosan/Activated Carbon Composite: Kinetics, Isotherms and Thermodynamics Studies

Cited by 55 publications

References 66 publications

Removal of atrazine from aqueous solutions onto a magnetite/chitosan/activated carbon composite in a fixed-bed column system: optimization using response surface methodology

Removal of atrazine from aqueous solutions onto a magnetite/chitosan/activated carbon composite in a fixed-bed column system: optimization using response surface methodology

Recent Developments in Chitosan-Based Adsorbents for the Removal of Pollutants from Aqueous Environments

The fast and of low-cost-adsorbent to the removal of cationic and anionic dye using chicken eggshell with its membrane

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