Adsorption of remazol brilliant pink (Red 3BS) dye onto Leucaena Leucocephala Shell based activated carbon: Batch study
Abstract
Adsorption of remazol brilliant pink (Red 3BS) dye from aqueous solution onto activated LLS
adsorbent was investigated in a batch study. Adsorption isotherm and kinetics study were
carried out by considering the effects of various parameter such as adsorbent dosage (0.2 g
- 2.0 g) initial concentration (25mg/L-125mg/L) and contact time (10 min - 180 min), also
effect of solution pH (2 - 12). Equilibrium data were fitted to Langmuir and Freundlich
isotherm models. The equilibrium data were best described by Langmuir isotherm with the
maximum adsorption capacity 2.945 mg/g. Furthermore, the kinetic model applied to
pseudo-second-order, which has the best fitted data. The result of this study showed the
potential of low cost of LLS agricultural waste material to adsorb the reactive dye pollutant
containing in wastewater system.