Revista de Investigaciones Altoandinas - Journal of High Andean Research

Vol. 27 (2025): Publicación continua
Original articles

Efficiency of activated biochar from Daucus carota with calcium alginate beads in the removal of arsenic from synthetic samples

pdf (Spanish)
Carlos Romel Pari Salazar
Universidad Cesar Vallejo, Facultad de Ingeniería y Arquitectura, Escuela Profesional de Ingeniería Ambiental, Av. Del Parque 640, San Juan de Lurigancho 15434, Lima, Perú.

Published 2025-09-30

Keywords

  • Arsenic,
  • Activated Biochar,
  • Daucus carota,
  • pH,
  • Removal

Copyright (c) 2025 Carlos Romel Pari Salazar

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Pari Salazar, C. R. (2025). Efficiency of activated biochar from Daucus carota with calcium alginate beads in the removal of arsenic from synthetic samples. Revista De Investigaciones Altoandinas - Journal of High Andean Research, 27, e27705. https://doi.org/10.18271/ria.2025.705

Abstract

The study evaluates the efficiency of activated Daucus carota biochar with calcium alginate beads to remove arsenic from synthetic samples, promoting sustainable technologies to decontaminate water. The interactions between adsorbent concentration, pH and contact time were analysed to optimise adsorption. The research, with a quantitative and applied approach, used three concentrations of biochar (1 mg/L, 2 mg/L and 3 mg/L), three pH levels (4, 7 and 9) and three contact times (30, 60 and 120 minutes). The results showed that the highest efficiency (93.263%) was achieved with 3 mg/L adsorbent at neutral pH (7) after 120 minutes. In contrast, the lowest efficiency (51.31%) occurred at pH 9 with 1 mg/L adsorbent in the same time. In addition, the contact time significantly influenced adsorption, improving progressively up to 120 minutes. These findings highlight that activated biochar from Daucus carota is an effective adsorbent to remove arsenic, especially under neutral pH conditions and for prolonged periods of time. Its use represents a viable and sustainable alternative to treat contaminated water, contributing to efficient environmental management strategies and reduction of heavy metals in aquatic ecosystems, in line with sustainable development objectives.

pdf (Spanish)

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