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March 19, 2026Adsorption Science & TechnologyOpen Access

H 3 PO 4 -modified biochar derived from jacaranda fruits for phenol removal: Preparation, adsorption kinetics, isotherms, and thermodynamics

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Authors

KDKhawla DamerIHImad HamadnehMAMuna Abu-Dalo

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Overview

Evaluates phenol adsorption efficiency in wastewater using biochar, suggesting effective environmental remediation strategies.

Key Points

  • The aim is to evaluate the effectiveness of Jacaranda-derived biochar in removing phenolic compounds from wastewater.
  • Preparation of biochar from Jacaranda fruits using phosphoric acid activation at 600 °C.
  • Characterization using BET surface area analysis, FTIR, SEM, and X-ray diffraction.
  • Adsorption tests conducted following Langmuir and Freundlich isotherm models.
  • Thermodynamic analysis to assess the spontaneity and nature of the adsorption process.
  • Surface area of the biochar reached 791 m²/g with enhanced functional groups.
  • Maximum adsorption capacities of 40.127 mg/g for raw biochar and 61.732 mg/g for phosphoric acid-activated biochar.
  • Achieved 74% phenolic removal from olive mill wastewater using H-BJ600 at a 2% dosage.
  • Adsorption followed pseudo-second-order kinetics and predominantly physical interactions.

Cite This Study

Damer et al. (2026) studied this question.

synapsesocial.com/papers/69bb92be496e729e629803d4https://doi.org/10.1177/02636174261430388
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