Sorption of lead (II) and strontium (II) ions from aqueous solutions onto non-living Chlorella Vulgaris Alga/ Date pit activated carbon composite

El-Shazly, E. A. A.; Hassan, H. S.

doi:10.1007/s42823-021-00280-z

Carbon Lett.

2021

DOI: 10.1007/s42823-021-00280-z

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Sorption of lead (II) and strontium (II) ions from aqueous solutions onto non-living Chlorella Vulgaris Alga/ Date pit activated carbon composite

E. A. A. El-Shazly

H. S. Hassan

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2024

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Cited by 12 publications

References 59 publications

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Berillo,

Ermukhambetova

2024

Adsorption

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The review of oral adsorbents and their properties

Berillo,

Ermukhambetova

2024

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Exploiting carboxymethyl cellulose-starch/alumina nano gel to eliminate Fe(III) from ore leachates of rare earth elements

Murad,

Dakroury,

Abu Elgoud

2023

Cellulose

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The present study describes the development of a novel nano gel of Carboxymethyl Cellulose Starch and Alumina (CMC-St/Al2O3) to purify the leach liquor of rare earth elements (REEs) minerals from Fe(III), which is considered the most contaminating metal in the REE liquor. CMC-St/Al2O3 nano gel was recognized by different analytical techniques such as FT-IR, SEM, TEM, X-ray diffraction, particle size, and thermal analysis. In a batch study, the best conditions for purifying REE from Fe(III) contaminants using CMC-St/Al2O3 nano gel were determined. For an initial concentration of 100 mg L−1, 97.6% of Fe(III) was efficiently adsorbed onto CMC-St/Al2O3 after 15.0 min, pH = 2, and 25 °C. Due to the competition effect, the sorption efficiencies of the binary systems decreased to 68.4%, 72.97%, and 84.71% for the systems Fe(III)/La(III), Fe(III)/Sr(II), and Fe(III)/Cs(I), respectively. 99.9% of Fe(III) is eluted by 0.50 mol L−1 H2SO4. The sorption process was fitted with pseudo-second-order and the Langmuir model based on the error functions: Coefficient of determination (R2), Reduced Chi-square (χ2), The sum of square errors (SSE), and Corrected Akaike Information Criterion (AICc) as well as Residual error plots. The sorption process was spontaneous and exothermic. Finally, a CMC-St/Al2O3 nano gel was used to separate Fe(III) from the monazite liquor minerals and Sela leachate, mineralized from the Rosetta area and Gabal El Sela at Halaib environs, Egypt, with efficiencies of 89.03 and 92.7%, respectively.

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Efficacious Recovery of Zirconium and Yttrium Ions from Effluents Using a Gamma-Irradiated Reduced Graphene Oxide Polymeric Composite

Eliwa

2023

J Inorg Organomet Polym

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There are many great uses for heavy elements that are expanding daily and generating enormous amounts of effluents. Therefore, tremendous scientific efforts in removing, recovering, and recycling them are carried out to prevent these harmful effects on the environment and human health. The polyacrylic-carboxymethyl cellulose-trioctyl amine/reduced graphene oxide adsorbent (AA-CMC-TOA/rGO) was synthesized as a promising sorbent for Zr4+ and Y3+ ions by gamma irradiation for a mixture of acrylic acid, carboxymethyl cellulose, and trioctyl amine as an organic solvent. A complete characterization of the manufactured composite was carried out to find out its chemical and physical properties several techniques such as XRD, EDX, SEM, FT-IR, TGA-DTA, and BET. Several factors affecting the Zr4+ and Y3+ adsorption processes were studied to set the best conditions that achieve the extreme loading capacity of Zr4+ and Y3+ ions. Loading capacities of 0.99 and 1.07 mmol g−1 were achieved for Zr4+ and Y3+, respectively. The results of the kinetic models indicated that the adsorption reactions of Zr4+ and Y3+ ions were carried out via a chemical reaction mechanism. Langmuir, Dubinin–Radushkevich, and Redlich–Peterson models accurately described the adsorption isotherm data by proving their chemical nature. The results of thermodynamics added evidence of the chemical nature, spontaneous, and endothermic nature of the adsorption processes. A complete retrieval for Zr4+ and Y3+ ions contents located in the effluent was efficiently achieved using AA-CMC-TOA/rGO sorbent which proved its uses as a promising sorbent.

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Sorption of lead (II) and strontium (II) ions from aqueous solutions onto non-living Chlorella Vulgaris Alga/ Date pit activated carbon composite

Cited by 12 publications

References 59 publications

The review of oral adsorbents and their properties

The review of oral adsorbents and their properties

Exploiting carboxymethyl cellulose-starch/alumina nano gel to eliminate Fe(III) from ore leachates of rare earth elements

Efficacious Recovery of Zirconium and Yttrium Ions from Effluents Using a Gamma-Irradiated Reduced Graphene Oxide Polymeric Composite

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