Preparation, characterization and dye adsorption properties of activated olive residue and their novel bio-composite beads: New computational interpretation

Bergaoui, Manel; Khalfaoui, Mohamed; Alam, Manawwer; GUELLOU, Badis; BELEKBIR, Mohamed Chaker; Chouk, Rihab; Erto, Alessandro; Yadav, Krishna Kumar; Benguerba, Yacine

doi:10.1016/j.mtcomm.2021.103056

Cited by 7 publications

(3 citation statements)

References 52 publications

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“…For the interaction between MPs and BUT, using the models to fit and simulate the corresponding process can provide an important description of the mechanism at the molecular level (Bergaoui et al 2022 ). In this study, the pseudo-first-order (PFO) model and the pseudo-second-order (PSO) model were used to study the adsorption kinetics (Jiang et al 2021 ).…”

Section: Methodsmentioning

confidence: 99%

The carrier effect mechanism of butachlor in water by three typical microplastics

Jiang

Chen²,

Dai

2022

Environ Sci Pollut Res

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Butachlor (BUT) is a widely used herbicide that can cause environmental problems when used excessively. BUT has been found to exist in large quantities in the water environment so far. As an agricultural pre-emergent herbicide, BUT can enter the water environment through multiple channels and cause pollution. This study investigated the mechanism of three types of microplastics (MPs): polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC) to remove BUT from water. The adsorption behavior between MPs and BUT under different factors, namely pH, salt ion concentration, and aging, was investigated. This study further investigated the desorption and aging of BUT-adsorbed MPs. In this research, the adsorption capacity of BUT by PE, PP, and PVC are 13.65 μg/g, 14.82 μg/g, and 18.88 μg/g, respectively, and the order of carrier effect was: PVC>PP>PE. Experiments show that MPs have low adsorption performance on the microgram level for BUT. The adsorption behavior of PE, PP, and PVC on BUT conformed to pseudo-second-order kinetics, indicating the presence of physical and chemical adsorption. The Langmuir isotherm model fits well, indicating that the adsorption is a single-layer adsorption process. The pH value causes slight fluctuations in the overall carrier effect. Low concentration of salt ions can inhibit the carrier effect, and high concentration will promote the interaction between MPs and BUT. Aging experiments show that the carrier effect of the original materials was higher than the adsorption capacity of hydrogen peroxide and MPs after acid aging, and acid aging can cause the adsorption capacity to drop significantly.

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Section: Methodsmentioning

confidence: 99%

The carrier effect mechanism of butachlor in water by three typical microplastics

Jiang

Chen²,

Dai

2022

Environ Sci Pollut Res

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“…pH o controls (i) the surface charge of the adsorbent by controlling the dissociation/protonation of the surface functional groups, (ii) the charge of dye by controlling the dissociation/protonation of the functional groups of the dye, and (iii) the speciation degree of hydration of trace metal. 5,8,11,13 Dependance of the adsorption process on the pH o infers that electrostatic interactions and/or complexation mechanism are effective. 46 In this study, the effect of pH o on the adsorption performance was investigated in a single component system at room temperature in the pH o range 3.0-9.0 for DR31 and 2.0-5.5 for Pb 2+ .…”

Section: Effect Of Adsorption Parametersmentioning

confidence: 99%

“…1,2,6 Moreover, some synthetic dyes are hazardous because of their toxicity, carcinogenicity, mutagenicity, teratogenicity, and stability in the environment for long periods. 1,[6][7][8][9][10] On the other side, trace metals are one of the most hazardous contaminants due to their non-biodegradability, bioaccumulation, high mobility and toxicity. 3,5,11,12 Amongst trace metals, lead is widely used in several industries and consequently a common contaminant.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous removal of Pb²⁺ and direct red 31 dye from contaminated water using N-(2-hydroxyethyl)-2-oxo-2H-chromene-3-carboxamide loaded chitosan nanoparticles

et al. 2022

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The production of activated biochar using Calophyllum inophyllum waste biomass and use as an adsorbent for removal of diuron from the water in batch and fixed bed column

Franco

Georgin

Ramos

et al. 2023

Environ Sci Pollut Res

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The Calophyllum inophyllum species annually produces a large volume of cylindrical fruits, which accumulate on the soil because they do not have nutritional value. This study sought to enable the use of this biomass by producing activated biochar with zinc chloride as an activating agent for further application as an adsorbent in batch and fixed bed columns. Different methodologies were used to characterize the precursor and the pyrolyzed material. Morphological changes were observed with the emergence of new spaces. The carbonaceous material had a surface area of 468 m2 g−1, Dp = 2.7 nm, and VT = 3.155 × 10−1 cm3 g−1. Scientific and isothermal studies of the adsorption of the diuron were conducted at the natural pH of the solution and adsorbent dosage of 0.75 g L−1. The kinetic curves showed a good fit to the Avrami fractional order model, with equilibrium reached after 150 min, regardless of the diuron concentration. The Liu heterogeneous surface model well represented the isothermal curves. By raising the temperature, adsorption was encouraged, and at 318 K, the Liu Qmax was reached at 250.1 mg g−1. Based on the Liu equilibrium constant, the nonlinear van't Hoff equation was employed, and the ΔG° were < 0 from 298 to 328 K; the process was exothermic nature (ΔH0 = −46.40 kJ mol−1). Finally, the carbonaceous adsorbent showed good removal performance (63.45%) compared to a mixture containing different herbicides used to control weeds. The stoichiometric column capacity (qeq) was 13.30 and 16.61 mg g−1 for concentrations of 100 and 200 mg L−1, respectively. The length of the mass transfer zone was 5.326 cm (100 mg L−1) and 4.946 cm (200 mg L−1). This makes employing the leftover fruits of the Calophyllum inophyllum species as biomass for creating highly porous adsorbents a very effective and promising option.

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Preparation, characterization and dye adsorption properties of activated olive residue and their novel bio-composite beads: New computational interpretation

Cited by 7 publications

References 52 publications

The carrier effect mechanism of butachlor in water by three typical microplastics

The carrier effect mechanism of butachlor in water by three typical microplastics

Simultaneous removal of Pb²⁺ and direct red 31 dye from contaminated water using N-(2-hydroxyethyl)-2-oxo-2H-chromene-3-carboxamide loaded chitosan nanoparticles

The production of activated biochar using Calophyllum inophyllum waste biomass and use as an adsorbent for removal of diuron from the water in batch and fixed bed column

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Preparation, characterization and dye adsorption properties of activated olive residue and their novel bio-composite beads: New computational interpretation

Cited by 7 publications

References 52 publications

The carrier effect mechanism of butachlor in water by three typical microplastics

The carrier effect mechanism of butachlor in water by three typical microplastics

Simultaneous removal of Pb2+ and direct red 31 dye from contaminated water using N-(2-hydroxyethyl)-2-oxo-2H-chromene-3-carboxamide loaded chitosan nanoparticles

The production of activated biochar using Calophyllum inophyllum waste biomass and use as an adsorbent for removal of diuron from the water in batch and fixed bed column

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Product

Resources

About

Simultaneous removal of Pb²⁺ and direct red 31 dye from contaminated water using N-(2-hydroxyethyl)-2-oxo-2H-chromene-3-carboxamide loaded chitosan nanoparticles