Biomass-derived multiatom-doped carbon dots for the photocatalytic reduction of Cr(VI) and precipitation of Cr(III) DOI Creative Commons

Gunture Gunture,

Tae Yoon Lee

npj Clean Water, Journal Year: 2024, Volume and Issue: 7(1)

Published: Dec. 24, 2024

The release of heavy metal ions, especially hexavalent chromium [Cr(VI)], from industrial processes poses significant health and environmental risks. Cr(VI) does not readily degrade but can be reduced to the less toxic trivalent form [Cr(III)] that exhibits lower adsorption, making it easier manage remove systems. This paper proposes a single-step solvothermal method synthesize fluorescent multiatom-doped (N, K, Cl, Mg, Ca) carbon dots (MACDs) Kalanchoe pinnata leaves (carbon precursor) ethanol (solvent). These MACDs serve as effective photocatalysts for reduction under one sun illumination (AM 1.5 G conditions). reaction achieved 91% removal 20 ppm deionized water solution in 420 min complete (100%) an acidic with same initial concentration 120 min. demonstrated excellent photocatalytic performance across tap, river, lake water. biomass-derived demonstrate strong potential Cr-contaminated remediation.

Language: Английский

Study on the effect of ZnO nanoparticles embedded ramie fiber reinforced epoxy matrix composite – A novel material for sustainable development DOI Creative Commons

Elavarasan Krishnasamy,

Saranraj Iyyanar,

Vinayagamoorthy Munusamy

et al.

E3S Web of Conferences, Journal Year: 2024, Volume and Issue: 588, P. 01017 - 01017

Published: Jan. 1, 2024

This study explores the potential of Zinc Oxide (ZnO) nanoparticles as fillers in ramie fiber reinforced epoxy composites to develop materials that align with sustainable development goals. We systematically varied ZnO nanoparticle content across three distinct samples are 5g, 10g, and 15g investigate their effects on mechanical thermal properties composites. Mechanical testing included tensile, flexural, impact strength assessments, while stability was evaluated through analysis. Additionally, Scanning Electron Microscopy (SEM) employed analyze microstructural changes induced by varying concentrations. Preliminary results indicate increasing concentration enhances both composites, suggesting a reinforcing effect polymer matrix. The sample displayed most significant improvement performance, confirming create more durable thermally stable materials.

Language: Английский

Citations

0
Lax pairs and Bäcklund transformations for a new (3+1)-dimensional integrable equation utilizing symbolic computation DOI Creative Commons
Adil Jhangeer,

Asifa Zahid,

Zeeshan Amjad

et al.

Ain Shams Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 103085 - 103085

Published: Oct. 1, 2024

Language: Английский

Citations

0
Biomass-derived multiatom-doped carbon dots for the photocatalytic reduction of Cr(VI) and precipitation of Cr(III) DOI Creative Commons

Gunture Gunture,

Tae Yoon Lee

npj Clean Water, Journal Year: 2024, Volume and Issue: 7(1)

Published: Dec. 24, 2024

The release of heavy metal ions, especially hexavalent chromium [Cr(VI)], from industrial processes poses significant health and environmental risks. Cr(VI) does not readily degrade but can be reduced to the less toxic trivalent form [Cr(III)] that exhibits lower adsorption, making it easier manage remove systems. This paper proposes a single-step solvothermal method synthesize fluorescent multiatom-doped (N, K, Cl, Mg, Ca) carbon dots (MACDs) Kalanchoe pinnata leaves (carbon precursor) ethanol (solvent). These MACDs serve as effective photocatalysts for reduction under one sun illumination (AM 1.5 G conditions). reaction achieved 91% removal 20 ppm deionized water solution in 420 min complete (100%) an acidic with same initial concentration 120 min. demonstrated excellent photocatalytic performance across tap, river, lake water. biomass-derived demonstrate strong potential Cr-contaminated remediation.

Language: Английский

Citations

0