ArticleScientific reports2026
Integrated kinetic, isotherm, ANN, and RSM-based optimization modelling of acid brown 14 removal using ethylenediamine-decorated Delonix regia pod biochar.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The increasing discharge of recalcitrant azo dyes from textile and industrial effluents poses serious ecological and human health risks, necessitating the development of sustainable and cost-effective treatment strategies. The objective of the present study is to examine the adsorption performance of ethylenediamine-functionalized Delonix regia pod biochar (DRPB-ED) for the efficient removal of Acid Brown (AB14) 14 dye from aqueous solutions. The approach integrates the valorization of agricultural waste with surface amine functionalization to enhance adsorption performance. Batch experiments demonstrated a maximum removal efficiency of 98.6% under optimized conditions (pH 4.0, 1.0 g/L dosage, 100 mg/L initial concentration, 60 min). Equilibrium data were best described by the Langmuir model, with a maximum monolayer adsorption capacity (q
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