Recent advancements in sustainable synthesis of zinc oxide nanoparticles using various plant extracts for environmental remediation

Jadoun, Sapana; Yáñez, Jorge; Aepuru, Radhamanohar; Sathish, Manda; Jangid, Nirmala Kumari; Chinnam, Sampath

doi:10.1007/s11356-024-32357-3

Cited by 3 publications

(1 citation statement)

References 188 publications

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“…• OH reacts with the organic moieties of MB, breaking down its molecular structure and forming more minor, less harmful byproducts such as carbon dioxide (CO 2 ) and water (H 2 O). The byproducts of MB degradation are typically nontoxic and environmentally benign, posing minimal risk to aquatic ecosystems h V B + + H 2 O → O H • + H + h V B + + O H − → O H • e C B − + O 2 → O 2 − • O 2 − • + H + → H O 2 • H O 2 • + H O 2 • → H 2 O 2 +…”

Section: Mechanism Of the Degradation Of Mbmentioning

confidence: 99%

Assessment of the Raceway Pond Reactor for Degradation of Methylene Blue Dye in Different Types of Water: A Systematic Kinetics Study under Natural Solar Light

Jadoun

2024

ACS EST Water

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The Atacama Desert (AD), known for its extreme aridity and abundant solar irradiance, presents an opportunity for innovative solar-based environmental research. Raceway pond reactors (RPRs), characterized by their shallow, circular design, offer a scalable solution for pollutant degradation in aqueous environments, known for their versatility and eco-friendliness. This study explores the effectiveness of RPRs under the intense solar radiation of the AD in degrading Methylene blue (MB) dye across different water types: deionized water (DW), tap water (TW), and seawater (SW) with natural pH levels of 5.7, 7.1, and 8.5, respectively. Zinc oxide (ZnO) synthesized via the sol−gel method was used as the photocatalyst with average crystallite size 42.38 and 80.14 nm determined by the Scherrer and the Williamson−Hall equations, respectively. Results demonstrate the successful removal of 100%, 98.54%, and 84.64% of 20 mg/L of MB dye using 0.4 g/L ZnO photocatalysts in 10 L of DW, TW, and SW, respectively. Kinetic analysis favors a pseudo-first-order model, and the degradation order follows DW > TW > SW based on pseudo-first-order constants (0.03902, 0.03217, and 0.00969 min −1 ), highlighting the potential of solar energy and RPRs for environmental remediation in sun-rich regions.

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Section: Mechanism Of the Degradation Of Mbmentioning

confidence: 99%

Assessment of the Raceway Pond Reactor for Degradation of Methylene Blue Dye in Different Types of Water: A Systematic Kinetics Study under Natural Solar Light

Jadoun

2024

ACS EST Water

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Enhanced Photocatalytic Performance of ZnO NRs Using Mechanical-Assisted Thermal Decomposition Method for the Degradation of Humic Acid

Bhardwaj,

Sharma,

Sharma

2024

Biomedical Materials & Devices

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Microbial Intervention With Nanomaterials

Athwal,

Garg,

Sudan

et al. 2024

Advances in Chemical and Materials Engineering

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Bioremediation, employing microorganisms to degrade or immobilize environmental contaminants, is a promising approach for mitigating agricultural pollution. Recent advancements have highlighted the potential of nanomaterials to enhance microbial remediation strategies in agroecosystems. This chapter synthesizes current knowledge on the synergistic application of nanomaterials and microbial intervention for bioremediation purposes in agricultural settings. We discuss the mechanisms underlying the enhanced bioremediation efficacy facilitated by nanomaterials, encompassing improved microbial activity, pollutant adsorption, and targeted delivery systems. Furthermore, we assess the environmental implications, challenges, and future prospects associated with this innovative approach. Understanding the interplay between nanomaterials and microbial communities is crucial for optimizing bioremediation strategies and fostering sustainable agricultural practices.

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Recent advancements in sustainable synthesis of zinc oxide nanoparticles using various plant extracts for environmental remediation

Cited by 3 publications

References 188 publications

Assessment of the Raceway Pond Reactor for Degradation of Methylene Blue Dye in Different Types of Water: A Systematic Kinetics Study under Natural Solar Light

Assessment of the Raceway Pond Reactor for Degradation of Methylene Blue Dye in Different Types of Water: A Systematic Kinetics Study under Natural Solar Light

Enhanced Photocatalytic Performance of ZnO NRs Using Mechanical-Assisted Thermal Decomposition Method for the Degradation of Humic Acid

Microbial Intervention With Nanomaterials

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