Physicochemical Characterization and Application of Biomass-Derived Activated Carbon for Sustainable Wastewater Treatment in the Algerian Sahara
Domaine:
environment and energyCréateur:
ImaGha
Éditeur:
GN1
Hôte:
This study explores the potential of activated carbon synthesized from locally available
agricultural waste for the treatment of wastewater contaminated with organic pollutants.
Activated carbon was prepared from TEMJOUHERT (TMG) date palm kernels originating
from the Ghardaïa region (Algeria) via chemical activation using phosphoric acid (H₃PO₄,
85%). The synthesis yield reached 28.56%. The adsorbent was characterized in terms of
bulk density, ash content, iodine number, surface functional groups (Boehm titration), and
point of zero charge (pHₚzc). Morphological and textural properties were investigated by
SEM and BET analyses, revealing a high specific surface area (639.92 m² g⁻¹) and a
micropore volume of 0.4208 cm³ g⁻¹. The adsorption performance was evaluated using real
wastewater samples collected from the Atteuf (Kef Doukhane) area. Under optimal
operating conditions (1 g adsorbent per 100 mL, 90 min contact time, 250 rpm), removal
efficiencies of 84.75% for PO₄³⁻, 85.21% for COD, and 74.55% for NH₄⁺ were achieved.
These results confirm the suitability of date palm kernel–derived activated carbon as an
efficient and sustainable adsorbent for wastewater treatment.
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