Removal of Lindane from Aqueous Solution Using Aluminum Hydroxide Nanoparticles with Surface Modification by Anionic Surfactant

Nguyễn, Thị Hoài; Nguyễn, Thị Nhạn; Pham, Tien Duc; Le, Thanh Son

doi:10.3390/polym12040960

Cited by 22 publications

(12 citation statements)

References 53 publications

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“…A rapid growth in the usage of surfactants is anticipated in the years to come. More recently, surfactants have been used for environmental remediation, for the removal of various contaminants from polluted soils and aquifer sediments [ 20 , 21 , 22 , 23 , 24 ]. Surfactants have also been found to be effective drag reducers.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Surfactant-Polymer Interactions Using Rheology and Surface Tension Measurements

Yang

Pal

2020

Polymers

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The interactions between surfactants and a drag-reducing polymer were investigated at a low polymer concentration of 500 ppm, using measurements of the rheology and surface activity of surfactant-polymer solutions. A well-known drag-reducing polymer (anionic sodium carboxymethyl cellulose) and five different surfactants (two anionic, two non-ionic, and one zwitterionic) were selected for the interaction studies. The surfactant-polymer solutions were shear thinning in nature, and they followed the power law model. The interaction between the surfactant and polymer had a strong effect on the consistency index of the solution and a marginal effect on the flow behavior index. The surface tension versus surfactant concentration plots were interpreted in terms of the interactions between surfactant and polymer. The critical aggregation concentration (CAC) of the surfactant was estimated based on the surface tension and rheological data. The CAC values of the same charge surfactants as that of the polymer were found to be significantly higher than other combinations of surfactant and polymer, such as non-ionic surfactant/anionic polymer, and zwitterionic surfactant/anionic polymer.

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Section: Introductionmentioning

confidence: 99%

Investigation of Surfactant-Polymer Interactions Using Rheology and Surface Tension Measurements

Yang

Pal

2020

Polymers

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“…However, bare Fe 3 O 4 NPs suffer some shortcomings such as agglomeration, limited adsorption ability, and limited working pH range. Coating of Fe 3 O 4 NPs with surfactants, polymers, silica, starch, polyelectrolytes, etc., render an enhancement in their surface properties and chemical stability, making them suitable for industrial wastewater treatment and catalytic applications [ 23 , 24 , 25 , 26 , 27 , 28 , 29 ]. Among surfactants used for coating, the anionic sodium dodecyl sulfate (SDS) is known to enhance the ability of NPs to remove pollutants from wastewater, which has been related with the binding and chelating efficiency of its functional groups [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

Kinetic Studies on the Catalytic Degradation of Rhodamine B by Hydrogen Peroxide: Effect of Surfactant Coated and Non-Coated Iron (III) Oxide Nanoparticles

et al. 2020

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Iron (III) oxide (Fe3O4) and sodium dodecyl sulfate (SDS) coated iron (III) oxide (SDS@Fe3O4) nanoparticles (NPs) were synthesized by the co-precipitation method for application in the catalytic degradation of Rhodamine B (RB) dye. The synthesized NPs were characterized using X-ray diffractometer (XRD), vibrating sample magnetometer (VSM), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and Fourier transform infra-red (FT-IR) spectroscopy techniques and tested in the removal of RB. A kinetic study on RB degradation by hydrogen peroxide (H2O2) was carried out and the influence of Fe3O4 and SDS@Fe3O4 magnetic NPs on the degradation rate was assessed. The activity of magnetic NPs, viz. Fe3O4 and SDS@Fe3O4, in the degradation of RB was spectrophotometrically studied and found effective in the removal of RB dye from water. The rate of RB degradation was found linearly dependent upon H2O2 concentration and within 5.0 × 10−2 to 4.0 × 10−1 M H2O2, the observed pseudo-first-order kinetic rates (kobs, s−1) for the degradation of RB (10 mg L−1) at pH 3 and temperature 25 ± 2 °C were between 0.4 and 1.7 × 104 s−1, while in presence of 0.1% w/v Fe3O4 or SDS@Fe3O4 NPs, kobs were between 1.3 and 2.8 × 104 s−1 and between 2.6 and 4.8 × 104 s−1, respectively. Furthermore, in presence of Fe3O4 or SDS@Fe3O4, kobs increased with NPs dosage and showed a peaked pH behavior with a maximum at pH 3. The magnitude of thermodynamic parameters Ea and ΔH for RB degradation in presence of SDS@Fe3O4 were 15.63 kJ mol−1 and 13.01 kJ mol−1, respectively, lowest among the used catalysts, confirming its effectiveness during degradation. Furthermore, SDS in the presence of Fe3O4 NPs and H2O2 remarkably enhanced the rate of RB degradation.

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“…The maximum equilibrium adsorption capacity was calculated to be 204.1 mg g –1 , basically in accord with the experimental results. It is worth mentioning that this value of uptake capacity is remarkably higher than those of other known adsorbents, e.g., silica gel (5.5 mg g –1 ), aluminum hydroxide nanomaterials (0.3 mg g –1 ), and activated carbons (108.2 mg g –1 ) . The enrichment tests reveal that MWCNTs-NH 2 not only exhibit rapid uptake kinetics and high uptake efficiency but also show high uptake capacity at high HCH concentrations, which holds promise for their practical application in rapid enrichment and separation of OCPs.…”

Section: Resultsmentioning

confidence: 85%

Exceedingly Rapid Enrichment of Organochlorine Pollutants in Complex Samples Using Amino-Functionalized Carbon Nanotubes

et al. 2021

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Organochlorine pesticides have made a large contribution to the development of modern agriculture but also caused contamination in the environment, and they persistently cause harm to humans and organisms due to their stability in nature. Precise tracking and enrichment of these pollutions are therefore clearly required. In this work, we explored an amino-functionalized multiwalled carbon nanotube (MWCNT-NH2) to selectively trap and rapidly enrich trace organochlorine contaminants from aqueous solutions. Through a case study of trace hexachlorocyclohexane (HCH) enrichment, it is demonstrated that an MWCNT-NH2 exhibits ultrafast capture kinetics (96.5% removed in 30 s), where a high uptake rate (98.5%), an outstanding uptake capacity (197.9 mg g–1), and an excellent selectivity in complex samples are obtained, and a high uptake efficiency is maintained over a wide range of harsh conditions (pH 2–10). This capturer can be further conveniently separated by a simple filtration. Importantly, an MWCNT-NH2 can be applied to efficiently enrich HCH in samples with much low temperatures (≤4 °C). This study introduces a new avenue for enrichment and separation of trace organic contaminants and also holds promise for developing highly efficient sensors, detectors, and scavengers of harmful compounds.

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Removal of Lindane from Aqueous Solution Using Aluminum Hydroxide Nanoparticles with Surface Modification by Anionic Surfactant

Cited by 22 publications

References 53 publications

Investigation of Surfactant-Polymer Interactions Using Rheology and Surface Tension Measurements

Investigation of Surfactant-Polymer Interactions Using Rheology and Surface Tension Measurements

Kinetic Studies on the Catalytic Degradation of Rhodamine B by Hydrogen Peroxide: Effect of Surfactant Coated and Non-Coated Iron (III) Oxide Nanoparticles

Exceedingly Rapid Enrichment of Organochlorine Pollutants in Complex Samples Using Amino-Functionalized Carbon Nanotubes

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