Enhancing adsorption efficiency for environmentally-friendly removal of As(V) and Pb(II) using a biochar-iron oxide composite

Kim, Soo Hyeon; Park, Ji-In; Lee, Seungsoo; An, Ha-Rim; Kim, Hyeran; Son, Byoungchul; Seo, Jiwon; Kim, ChangYeon; Jeong, Yesul; Choi, Kyuseok; Jeong, Seulki; Lee, Hyun Uk

doi:10.1016/j.apsusc.2024.160348

Applied Surface Science

2024

DOI: 10.1016/j.apsusc.2024.160348

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Enhancing adsorption efficiency for environmentally-friendly removal of As(V) and Pb(II) using a biochar-iron oxide composite

Soo Hyeon Kim,

Ji-In Park,

Seungsoo Lee

et al.

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Cited by 3 publications

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Effective removal of Pb (II) from wastewater by zinc-iron bimetallic oxide-modified walnut shell biochar: A combined experimental and DFT calculation approach

Chen,

Cao,

Qiang

et al. 2024

Journal of Environmental Management

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Effective removal of Pb (II) from wastewater by zinc-iron bimetallic oxide-modified walnut shell biochar: A combined experimental and DFT calculation approach

Chen,

Cao,

Qiang

et al. 2024

Journal of Environmental Management

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Enhancing photovoltaic efficiency in flexible perovskite solar cells through the incorporation of up-conversion Er3+ doped forsterite thin films

Alves,

Kaufmann Junior,

Sun Zampiva

et al. 2025

Solar Energy Materials and Solar Cells

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Remediation of Lead-Contaminated Water Using Green Synthesized Iron-Oxide Nanoparticles: Performance and Mechanism

Li,

Haziq,

Ullah

et al. 2024

Air, Soil and Water Research

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Lead (Pb(II)) ions in water pose a significant threat to both human health and aquatic ecosystems. Various approaches have been employed for wastewater treatment, but adsorption is often preferred due to its effectiveness. However, its practical application is limited by the large quantities of adsorbent required, which consequently increases operational costs. In this study, orange-modified iron-oxide nanoparticles (O-Fe3O4) are synthesized from agro-waste mass (orange peel), and adsorption experiments were conducted for the removal of Pb(II) from aqueous solution. Characterization studies confirm that O-Fe3O4 nanoparticles possess a mesoporous hexagonal nanocrystalline structure, with diameters measuring less than 100 nm. The adsorption process was optimized using a central composite design framework combined with response surface methodology. The analysis of interaction effects demonstrated that they significantly influenced the effectiveness of adsorption removal. The study revealed that an initial concentration of 25 mg/L, a dosage of 0.2 g/L, a contact period of 90 min, and a pH of 5.5 were the optimum conditions to achieve above 95% of Pb(II) removal. The green synthesized O-Fe3O4 nanoparticles, which presented high efficacy, makes it a promising option for implementing the sustainable water purification.

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Enhancing adsorption efficiency for environmentally-friendly removal of As(V) and Pb(II) using a biochar-iron oxide composite

Cited by 3 publications

References 59 publications

Effective removal of Pb (II) from wastewater by zinc-iron bimetallic oxide-modified walnut shell biochar: A combined experimental and DFT calculation approach

Effective removal of Pb (II) from wastewater by zinc-iron bimetallic oxide-modified walnut shell biochar: A combined experimental and DFT calculation approach

Enhancing photovoltaic efficiency in flexible perovskite solar cells through the incorporation of up-conversion Er3+ doped forsterite thin films

Remediation of Lead-Contaminated Water Using Green Synthesized Iron-Oxide Nanoparticles: Performance and Mechanism

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