Faculty of Chemistry, University of Mazandaran, Babolsar, Iran.
J Environ Sci Health B. 2010 Nov;45(8):766-73. doi: 10.1080/03601234.2010.515171.
This study employs the Taguchi optimization methodology to optimize the effective parameters for the pesticide (Vapam) sorption onto soil modified with natural zeolite (clinoptilolite). The experimental factors and their ranges chosen for determination of the effective parameters were: initial Vapam concentration (0.4-1.6 mg/L), initial pH of the pesticide solution (2-12), the percentage of clinoptilolite in the modified soil (0-6 %), temperature (15-35°C) and shaking time (2-24 h). The orthogonal array (OA) L(16) and the bigger the better response category of the Taguchi method were selected to determine the optimum conditions: initial Vapam concentration (1.2 mg/L), initial pH of the pesticide solution (2), the percentage of clinoptilolite in the modified soil (4 %), temperature (15°C) and shaking time (2 h). The results showed that in comparison with other parameters, the initial Vapam concentration was the most effective one for the sorption of this pesticide onto soil, modified with clinoptilolite. Moreover, after determining the optimum levels of the sorption process parameters, confirmation experiments were performed to prove the effectiveness of the Taguchi's experimental design methodology.
本研究采用田口优化方法优化了用天然沸石（斜发沸石）改性的土壤对农药（Vapam）的吸附的有效参数。为确定有效参数而选择的实验因素及其范围为：初始 Vapam 浓度（0.4-1.6mg/L）、农药溶液的初始 pH 值（2-12）、改性土壤中斜发沸石的百分比（0-6%）、温度（15-35°C）和振荡时间（2-24h）。选择正交数组（OA）L(16)和田口方法的越大越好的响应类别来确定最佳条件：初始 Vapam 浓度（1.2mg/L）、农药溶液的初始 pH 值（2）、改性土壤中斜发沸石的百分比（4%）、温度（15°C）和振荡时间（2h）。结果表明，与其他参数相比，初始 Vapam 浓度是吸附这种农药到用斜发沸石改性的土壤中最有效的参数。此外，在确定吸附过程参数的最佳水平后，进行了验证实验以证明田口实验设计方法的有效性。
