Journal
BIORESOURCE TECHNOLOGY
Volume 102, Issue 10, Pages 5634-5638Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.02.052
Keywords
Adsorption; ANN; Chara contraria; Lanaset Red G
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A three-layer artificial neural network (ANN) was constructed to predict the removal efficiency of Lanaset Red (LR) G on Chara contraria based on 2304 experimental sets. The effects of operating variables (particle size, adsorbent dosage, pH regimes, dye concentration, and contact time) were studied to optimize the sorption conditions of this dye. The operating variables were used as the input to the constructed neural network to predict the dye uptake at any time as the output. This adsorbent was characterized by FTIR. Pseudo second-order model was also fitted to the experimental data. According to values of error analyses and determinations coefficient, the ANN was more appropriate to describe this adsorption process. Result of this model indicated that pH regimes had the highest importance effect (49%) on the dye uptake. (C) 2011 Elsevier Ltd. All rights reserved.
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