화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.29, No.6, 804-811, June, 2012
DOI10.1007/s11814-011-0240-0  Export Citation
Optimization of lead removal from aqueous solution by micellar-enhanced ultrafiltration process using Box-Behnken design
Bashir Rahmanian, Majid Pakizeh†, and Abdolmajid Maskooki1
  • Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, P. O. Box 91775-1111, Mashhad, Khorasan 9177948944, Iran
  • 1Department of Khorasan Research Institute for Food Science and Technology (KRIFST), 12 Km., Asian Highway, Khorasan Science and Technology Park (KSTP), Mashhad, Iran
E-mail:
The main objective of this research was to use Box-Behnken experimental design (BBD) and response surface methodology (RSM) for optimization of micellar-enhanced ultrafiltration (MEUF) to remove lead ions from synthetic wastewater using spiral-wound ultrafiltration membrane. The critical factors selected for the examination were surfactant concentration, molar ratio of surfactant to metal (S/M) and solution pH. A total of 17 experiments were accomplished towards the construction of a quadratic model for both target variables. The experimental results were fitted with a second-order polynomial equation by a multiple regression analysis, and more than 95%, 93% of the variation could be predicted by the models for lead rejection and permeation flux, respectively. The optimum condition was found by using the obtained mathematical models. Optimization indicated that in CSDS=2mM, pH=6.57 and S/M=9.82 maximum flux and rejection efficiency can be achieved, simultaneously.
Keywords:MEUF;Lead;Box-Behnken Design;Optimization
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