Abstract
In present study, Response Surface Methodology (RSM) was used to optimize Cd (II) uptake by Saccharomyces cerevisiae biomass, the prediction model for Cd (II) uptake capacity using S. cerevisiae biomass was developed, and the analysis of variance (ANOVA) implied the model was significant. The maximum absorbing capacity of 22.05 mg/g was predicted at 30 mg/L Cd (II), 0.8 g/L biomass, 28.57°C, pH 5.51 and 3.0 h of contact time using the desirability function. Both Langmuir and Freundlich equations are suitable for describing biosorption isotherm.
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