Modeling and Optimization of Removal of Rhodamine – B from Wastewaters by Adsorption on Modified Clay
Morteza Bahram, Robabeh Talebi, Abdolhossein Naseri* , Sirous Nouri* Author for corresponding; e-mail address: a_naseri@tabrizu.ac.ir
Volume: Vol.41 No.5/2 (OCTOBER 2014)
Research Article
DOI:
Received: 20 June 2012, Revised: -, Accepted: 11 July 2013, Published: -
Citation: Bahram M., Talebi R., Naseri A. and Nouri S., Modeling and Optimization of Removal of Rhodamine – B from Wastewaters by Adsorption on Modified Clay, Chiang Mai Journal of Science, 2014; 41(5/2): 1230-1240.
Abstract
The treatments of wastewaters contained dyestuffs are difficult and require special advanced treatment technologies. It is known that the adsorption is one of the effective methods commonly used for treatment of wastewaters. In this study, the removal of Rhodamine-B was studied by using modified clay as an adsorbent reagent. The effects of relevant parameters, namely; reaction time, adsorbent concentration, NaCl concentration and the pH have been investigated on the decolorization efficiency using central composite design. A model has been obtained among removal efficiency and relevant parameters. Then, the obtained model was optimized. The proposed method was applied successfully to remove Rhodamine-B in the real sample.
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