Clays and modified clays in remediating environmental pollutants

Biswas, Bhabananda; Labille, Jérôme; Prelot, Bénédicte

doi:10.1007/s11356-020-09828-4

Cited by 16 publications

(2 citation statements)

References 8 publications

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“…The band at 540 and 827 cm −1 in the NC is due to the Zn-O bond. This band is also due to the Al-O and Si-O bond in the NC, indicating the presence of aluminates and silicates coming from clay [65,66]. The bands at 1627 and 1875 cm −1 in ZnONPs and the NC are assigned to the OH group available in the materials.…”

Section: Ftir Analysis Of Znonps and Zno/clay Ncmentioning

confidence: 92%

Photocatalytic Degradation of Methylene Blue from Aqueous Solutions by Using Nano-ZnO/Kaolin-Clay-Based Nanocomposite

Modi,

Yadav,

Ali

et al. 2023

Water

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Dyes are toxic organic compounds released as effluent from various industries that need proper treatment as they pose serious hazards to the environment and living beings, including humans. Nanocomposites can be employed as photocatalysts for the elimination of such organic compounds from wastewater. One such attempt is made in this present research study, where a zinc-based nanocomposite has been fabricated for the elimination of the methylene blue dye (MB). For the development of nanocomposite, zinc oxide nanoparticles (ZnONPs) were prepared to utilize Allium sativa peel (garlic skin) extract, which was further processed to develop ZnO/kaolin clay NC. ZnONPs and ZnO/kaolin clay NC formation have been confirmed by UV–Vis spectral bands at 379 nm and 423 nm. The NC was rod-shaped, with width of 60–100 nm and length of 200–800 nm and an average size of 50.0 ± 0.58 nm. Both materials were compared for their efficacy in photocatalytic degradation of the MB under solar light irradiation. ZnONPs removed 65% of MB, whereas the degradation efficiency of ZnO/clay NC was calculated to be 96% for 10 ppm MB. A kinetics study for photocatalytic degradation of MB using both nanomaterials showed that the photocatalytic degradation followed the pseudo-first-order (PFO) type of reaction. This investigation represents an expeditious, lucrative, ecological, and appropriate technique for the fabrication of functional nanomaterials for the remediation of diverse organic pollutants.

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Section: Ftir Analysis Of Znonps and Zno/clay Ncmentioning

confidence: 92%

Photocatalytic Degradation of Methylene Blue from Aqueous Solutions by Using Nano-ZnO/Kaolin-Clay-Based Nanocomposite

Modi,

Yadav,

Ali

et al. 2023

Water

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“…The adsorption and treatment of environmental contaminations have been studied using various materials created by non-biological processes. Natural mineral clays, 149 resins, 150 metal–organic frameworks, 151,152 and mesoporous silica 153 are all examples that have been thoroughly explored in the past as potential candidates. However, there are frequently monetary and environmental issues with the production process for these adsorption materials.…”

Section: Reasons To Remediate the Environment With Eco-friendly Mater...mentioning

confidence: 99%

Emerging environmentally friendly bio-based nanocomposites for the efficient removal of dyes and micropollutants from wastewater by adsorption: a comprehensive review

Al-Gethami,

Qamar,

Shariq

et al. 2024

RSC Adv.

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Organic Reactions Using Clay and Clay-Supported Catalysts: A Survey of Recent Literature

Nagendrappa

Chowreddy

2021

Catal Surv Asia

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Clays and modified clays in remediating environmental pollutants

Cited by 16 publications

References 8 publications

Photocatalytic Degradation of Methylene Blue from Aqueous Solutions by Using Nano-ZnO/Kaolin-Clay-Based Nanocomposite

Photocatalytic Degradation of Methylene Blue from Aqueous Solutions by Using Nano-ZnO/Kaolin-Clay-Based Nanocomposite

Emerging environmentally friendly bio-based nanocomposites for the efficient removal of dyes and micropollutants from wastewater by adsorption: a comprehensive review

Organic Reactions Using Clay and Clay-Supported Catalysts: A Survey of Recent Literature

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