Sustainable Phosphate Remediation via Hierarchical Mg-Fe Layered Double Hydroxides on Magnetic Biochar from Agricultural Waste DOI Creative Commons
Xiuling Li, Lei Xin,

Yuhan Peng

et al.

Magnetochemistry, Journal Year: 2025, Volume and Issue: 11(4), P. 27 - 27

Published: April 1, 2025

Addressing aquatic phosphate pollution requires advanced materials that combine high selectivity with recyclability. Here, we present a hierarchically structured composite integrating Mg-Fe layered double hydroxides (LDHs) magnetic biochar derived from mulberry branches—an abundant agricultural byproduct. Through hydrothermal synthesis, the achieves unique architecture combining Fe3O4-enabled recovery (2.63 emu·g−1 saturation) LDHs’ anion exchange capacity and biochar’s porous network. Systematic characterization reveals capture mechanisms dominated by hydrogen bonding through deprotonated carboxyl groups, inner-sphere complexation metal oxides, interlayer exchange, enabling 99.22% removal at optimal conditions (pH 6, 25 °C). Crucially, material demonstrates exceptional over competing Cl− NO3− ions while maintaining 87.83% efficiency after three regeneration cycles via alkaline treatment. Kinetic thermodynamic analyses confirm chemisorption-driven uptake aligned pseudo-second-order kinetics (R2 > 0.9998) Langmuir monolayer adsorption (7.72 mg·g−1 capacity). This waste-derived establishes sustainable paradigm for eutrophication control, merging selective sequestration energy-efficient circular water treatment applications.

Language: Английский

How Do Novel PFAS Sorbents Fit into Current Engineering Paradigm? DOI
Jonathan B. Burkhardt, Thomas F. Speth,

Stanley Gorzelnik

et al.

ACS ES&T Engineering, Journal Year: 2025, Volume and Issue: unknown

Published: March 11, 2025

Language: Английский

Citations

0
Advances in PFAS Electrochemical Reduction: Mechanisms, Materials, and Future Perspectives DOI
Sheng Yin, Jonathan J. Calvillo Solís, Christian Sandoval‐Pauker

et al.

Journal of Hazardous Materials, Journal Year: 2025, Volume and Issue: 491, P. 137943 - 137943

Published: March 16, 2025

Language: Английский

Citations

0
Discrimination of Perfluorinated Arenes/Alkanes by Modulable Polyaromatic Capsules DOI Creative Commons

Urara Kai,

Ryuki Sumida, Yuya Tanaka

et al.

Journal of the American Chemical Society, Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Efficient and selective binding of perfluorocarbons (PFCs), comprising only fluorine carbon atoms, unlike hydrocarbons, remains quite difficult owing to the repulsive nature fluorine. Here we describe that a cavity modulation strategy enables metal-linked polyaromatic capsules quantitatively bind PFCs with excellent selectivity. From mixture perfluoroarene corresponding perfluoroalkane (i.e., perfluoronaphthalene perfluorodecalin), Pt(II)-linked capsule exclusively binds arenes in water at room temperature, via effective D-A-A-D π-stacking interactions. The size-selective toward perfluoroarenes perfluorobenzene) is improved by using analogous N-doped from 85% quantitative Furthermore, Pt(II)-capsule, an isostructural Pd(II)-linked displays unusual length/shape-selective linear/cyclic perfluoroalkanes perfluoroheptane perfluorodecalin) under similar conditions. Recognition substituted hydrogen atoms on perfluorobiphenyl can also be accomplished Pt(II)-capsule. Various are thus clearly distinguished for first time modulable ambient aqueous

Language: Английский

Citations

0
Predicting full-scale performance of adsorbents for per- and polyfluoroalkyl substances adsorption: The role of rapid small-scale column tests DOI

Tihitna G Mulugeta,

Mahmut S. Erşan, Sergi Garcia‐Segura

et al.

The Science of The Total Environment, Journal Year: 2025, Volume and Issue: 974, P. 178944 - 178944

Published: March 29, 2025

Language: Английский

Citations

0
Sustainable Phosphate Remediation via Hierarchical Mg-Fe Layered Double Hydroxides on Magnetic Biochar from Agricultural Waste DOI Creative Commons
Xiuling Li, Lei Xin,

Yuhan Peng

et al.

Magnetochemistry, Journal Year: 2025, Volume and Issue: 11(4), P. 27 - 27

Published: April 1, 2025

Addressing aquatic phosphate pollution requires advanced materials that combine high selectivity with recyclability. Here, we present a hierarchically structured composite integrating Mg-Fe layered double hydroxides (LDHs) magnetic biochar derived from mulberry branches—an abundant agricultural byproduct. Through hydrothermal synthesis, the achieves unique architecture combining Fe3O4-enabled recovery (2.63 emu·g−1 saturation) LDHs’ anion exchange capacity and biochar’s porous network. Systematic characterization reveals capture mechanisms dominated by hydrogen bonding through deprotonated carboxyl groups, inner-sphere complexation metal oxides, interlayer exchange, enabling 99.22% removal at optimal conditions (pH 6, 25 °C). Crucially, material demonstrates exceptional over competing Cl− NO3− ions while maintaining 87.83% efficiency after three regeneration cycles via alkaline treatment. Kinetic thermodynamic analyses confirm chemisorption-driven uptake aligned pseudo-second-order kinetics (R2 > 0.9998) Langmuir monolayer adsorption (7.72 mg·g−1 capacity). This waste-derived establishes sustainable paradigm for eutrophication control, merging selective sequestration energy-efficient circular water treatment applications.

Language: Английский

Citations

0