In-situ constructing an innovative and versatile nanotraps for incorporation of zero–valent iron nanoparticles into zeolite imidazole framework–8 towards high efficient detoxification and imprisonment of U(VI) and Se(IV) from water via a combination study of capture performance and underlying mechanism aspects

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 494, P. 153032 - 153032

Published: June 11, 2024

Language: Английский

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Advances in modified zero-valent iron materials: Synthesis methods, field studies, practical applications and challenges

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 157832 - 157832

Published: Nov. 1, 2024

Language: Английский

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Confining Nano Zero-Valent Iron into Zeolitic Imidazolate Framework-8 for Efficient Cr(VI) Removal

Colloids and Surfaces A Physicochemical and Engineering Aspects, Journal Year: 2025, Volume and Issue: unknown, P. 136460 - 136460

Published: Feb. 1, 2025

Language: Английский

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In-situ fabrication of exceptionally efficient traps namely nanoscale zero valent iron wrapped on mesoporous silica microspheres with different size in effectively purifying and scavenging Re(VII) and Cr(VI) from water matrices

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116367 - 116367

Published: March 1, 2025

Language: Английский

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Synergistic Removal of Cr(VI) Utilizing Oxalated-Modified Zero-Valent Iron: Enhanced Electron Selectivity and Dynamic Fe(II) Regeneration

Nanomaterials, Journal Year: 2025, Volume and Issue: 15(9), P. 669 - 669

Published: April 28, 2025

To address the challenges of environmental adaptability and passivation in nanoscale zero-valent iron (nFe0) systems, we developed oxalate-modified nFe0 (nFeoxa) through a coordination-driven synthesis strategy, aiming to achieve high-efficiency Cr(VI) removal with improved stability reusability. Structural characterization (STEM FT-IR) confirmed formation FeC2O4/nFe0 heterostructure, where oxalate coordinated Fe(II) construct semiconductor interface that effectively inhibits anoxic while enabling continuous electron supply, achieving 100% efficiency within 20 min at an optimal oxalate/Fe molar ratio 1/29. Mechanistic studies revealed ligand accelerates transfer from Fe0 core surface via FeC2O4-mediated pathway, as evidenced by EIS LSV test analyses. This process dynamically regenerates active sites rather than relying on static-free adsorption. XPS STEM further demonstrated was reduced Cr(III) uniformly co-precipitated Fe(II/III)-oxalate complexes, immobilizing chromium. The synergy between protective layer ligand-enhanced endows nFeoxa superior reactivity. work provides ligand-engineering strategy design robust nFe0-based materials for sustainable remediation metal oxyanion-contaminated water.

Language: Английский

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Biochar supported modified nZVI for effective remediation of hexavalent chromium: Enhanced performance and remediation mechanism

Journal of environmental chemical engineering, Journal Year: 2024, Volume and Issue: unknown, P. 114410 - 114410

Published: Oct. 1, 2024

Language: Английский

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Rationally tailored configuration of multifunctional scavengers by encapsulating nanoscale Fe0 and FeS into zeolite imidazole framework–8 with reinforced perrhenate/pertechnetate confinement

Separation and Purification Technology, Journal Year: 2024, Volume and Issue: unknown, P. 130199 - 130199

Published: Oct. 1, 2024

Language: Английский

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An innovative fabrication strategy of exceptional detoxifiers namely biochar and Ti3AlC2 co–functionalized nano ferrous sulfides for the intensified purification and detoxification of perrhenate–contaminanted wastewater with potential implication in trapping pertechnetate

Process Safety and Environmental Protection, Journal Year: 2024, Volume and Issue: unknown

Published: Nov. 1, 2024

Language: Английский

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