An innovative approach to the treatment
of textile wastewater by utilizing fine fractions of
construction and demolition waste (CDW) as a costeffective
adsorbent is presented in this work. Through
batch experiments, the impact of key parameters on
the adsorption process was explored, identifying optimal
conditions: natural pH, adsorbent dosage (S/L) of
20 g L−
1, and temperature of 20 °C. The characterization
of CDW was performed using ICP, BET, FTIR,
SEM–EDX, XPS, and XRD. The kinetics of adsorption
were effectively described by the Elovich model,
while equilibrium adsorption data showed good
agreement with the Freundlich model. The maximum
monolayer adsorption capacity for acid blue AB113
dye on CDW obtained from Langmuir isotherm was
89.52 mg g–
1. Thermodynamic analysis indicated an
exothermic and feasible nature of the adsorption process.
The results of this study highlight the potential
use of fine CDW as a promising adsorbent to remove
acid blue113 dye from textile wastewater
