Facile preparation of MgO-loaded SiO2 nanocomposites for tetracycline removal from aqueous solution

Yue, Yamei; Peng, Ziling; Wang, Wei; Cai, Yu; Tan, Fatang; Wang, Xinyun; Qiao, Xueliang

doi:10.1016/j.powtec.2019.02.034

Cited by 59 publications

(19 citation statements)

References 59 publications

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“…The Swelling behavior of the prepared hydrogels was evaluated using different pH solution in rang (3)(4)(5)(6)(7)(8)(9)(10). (50 mg) of each prepared hydrogel was immersed in (25 mL) of water with pH 3, 7, and 10 at room temperature.…”

Section: Swelling Behavior 2361 Effect Of Phmentioning

confidence: 99%

“…Congo red was selected to investigate the adsorption performance of the prepared hydrogels (Cs, DPE-I, DPE-II, DPE-III, and DPE-IV). The removal of dyes from aqueous solution was examined by adsorption method [9,10].…”

Section: Adsorption Studymentioning

confidence: 99%

“…The adsorption capacity qe (mg/g) and removal efficiency of CR dye by hydrogels was determined by the following equation ( 4) [10]:…”

Section: Adsorption Studymentioning

confidence: 99%

“…For desorption, the CR loaded sample was treated with (0.05 M) NaOH solution (10 mL) for 20 min [1]. The adsorption capacity (qe) (mg/g) was determined by the following equation (8) [10]:…”

Section: Reusability Studymentioning

confidence: 99%

“…Common techniques such as membrane separation [5], electrolysis [6], oxidation [7], chemical precipitation [8], adsorption [9,10], photocatalytic degradation [11], biological treatments [12], and flocculation [13] were used to remove dyes from wastewater. The adsorption approach is more appealing for dyes treatment because of its low initial cost, no carcinogenic by-products and high removal efficiency even from dilute solutions [14].…”

Section: Introductionmentioning

confidence: 99%

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Modified Chitosan Hydrogels and Nano Hydrogels for Congo Red Removal from Aqueous System

khaled

Nasr

Zaky

et al. 2021

Journal of Scientific Research in Science

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In the present work, sulfonamide chitosan derivatives were prepared via the reaction of chitosan (Cs) with diphenyl ether -4, 4`-disulfonylchloride (DPE) in absence and/or presence of glutaraldehyde (G) to form the hydrogel (DPE-I) and (DPE-II) respectively. The nanogels (DPE-III) and (DPE-IV) were prepared via ionotropic gelation method in presence of sodium tri polyphosphate (TPP) under the same reaction conditions. The hydrogels (DPE-I, DPE-II, DPE-III, and DPE-IV) were characterized by different tools as: Elemental analysis, Fourier Transform Infra-Red spectrometer (FT-IR), Proton Nuclear Magnetic Resonance ( 1 HNMR), Scanning Electron Microscopy (SEM), and Transmission Electron Microscopy (TEM). The adsorption efficiency of the prepared hydrogels for removal of congo red dye (CR) from aqueous solution under different parameters such as (time, pH, and concentration) was evaluated. The adsorption capacity of CR by the prepared hydrogels increased with time, adsorbent dosage and the initial concentration of CR.The optimum adsorption capacity for CR dye by the prepared hydrogels was at pH 7. Hydrogels (DPE-III and DPE-IV) showed the highest efficiency for adsorption of (CR) dye.

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Section: Swelling Behavior 2361 Effect Of Phmentioning

confidence: 99%

Section: Adsorption Studymentioning

confidence: 99%

“…The adsorption capacity qe (mg/g) and removal efficiency of CR dye by hydrogels was determined by the following equation ( 4) [10]:…”

Section: Adsorption Studymentioning

confidence: 99%

“…For desorption, the CR loaded sample was treated with (0.05 M) NaOH solution (10 mL) for 20 min [1]. The adsorption capacity (qe) (mg/g) was determined by the following equation (8) [10]:…”

Section: Reusability Studymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modified Chitosan Hydrogels and Nano Hydrogels for Congo Red Removal from Aqueous System

khaled

Nasr

Zaky

et al. 2021

Journal of Scientific Research in Science

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Preparation of Activated Carbon Fibers‐α‐FeOOH as a High‐performance Heterogeneous Fenton‐like Catalyst for Efficient Removal of Hydrotropic Lignin Model Compound

Wang

et al. 2021

ChemistrySelect

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ACF‐α‐FeOOH composite material was prepared by ultrasound‐assisted hydrothermal in‐situ synthesis method and evaluated as a highly efficient heterogeneous Fenton‐like catalyst. The ACF‐α‐FeOOH composite exhibited much stronger adsorption ability to hydrotropic lignin model pollutant (syringic acid) than that of α‐FeOOH, which may be due to the higher specific surface area (ACF‐α‐FeOOH: 133.15 m2 g−1>α‐FeOOH: 18.77 m2 g−1). The composite exhibited excellent heterogeneous Fenton‐like catalysis activity, being influenced by the solution pH value and the proportions of α‐FeOOH and ACF. Under optimal conditions, the ACF‐α‐FeOOH composite yielded fast degradation of syringic acid with an apparent rate constant of 0.151 min−1, which were 3.97 and 33.56 folds of that achieved by using α‐FeOOH and the mixture of α‐FeOOH and ACF, respectively. And syringic acid was finally degraded to small molecules in the above reactive system due to the strong catalytic ability of the composite. The significantly enhanced heterogeneous Fenton‐like catalytic properties of the ACF‐α‐FeOOH composite in comparison with that of α‐FeOOH was attributed to smaller catalyst particle size, much increased adsorption capacity and the mass transfer of radical species between the catalyst and pollutants.

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Degradation of Polycyclic Aromatic Hydrocarbons by Functionalized Nanomaterials

Rachna

Rani

Shanker

2021

Environmental Chemistry for a Sustainable World

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Facile preparation of MgO-loaded SiO2 nanocomposites for tetracycline removal from aqueous solution

Cited by 59 publications

References 59 publications

Modified Chitosan Hydrogels and Nano Hydrogels for Congo Red Removal from Aqueous System

Modified Chitosan Hydrogels and Nano Hydrogels for Congo Red Removal from Aqueous System

Preparation of Activated Carbon Fibers‐α‐FeOOH as a High‐performance Heterogeneous Fenton‐like Catalyst for Efficient Removal of Hydrotropic Lignin Model Compound

Degradation of Polycyclic Aromatic Hydrocarbons by Functionalized Nanomaterials

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