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首页> 美国卫生研究院文献>BMC Chemistry >Simultaneous elimination of Malachite Green Rhodamine B and Cresol Red from aqueous sample with Sistan sand optimized by Taguchi L16 and Plackett–Burman experiment design methods
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Simultaneous elimination of Malachite Green Rhodamine B and Cresol Red from aqueous sample with Sistan sand optimized by Taguchi L16 and Plackett–Burman experiment design methods

机译：用田口L16和Plackett–Burman实验设计方法优化了用锡斯坦沙从水性样品中同时去除孔雀石绿若丹明B和甲酚红

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摘要

The purpose of this study was to investigate the feasibility of simultaneous optimization and removal of dyes, Malachite green (MG), Rhodamine B (RhB) and Cresol Red (CR) from aqueous solutions by using Sistan sand as an extremely low cost adsorbent. Factors affecting adsorption of the analytes on the sorbent were investigated experimentally and by using Taguchi and Plackett–Burman experimental design methods. In most cases, the results of these two models were in agreement with each other and with experimental data obtained. Taguchi method was capable to predict results with accuracies better than 97.89%, 95.43%, and 97.79% for MG, RhB, and CR, respectively. Under the optimum conditions, the sorbent could remove simultaneously more than 83% of the dyes with the amount of adsorbed dyes of 0.132, 0.109, and 0.120 mg g−1 for MG, RhB and CR on sand, respectively. Kinetic studies showed that pseudo second order is the best model of adsorption for all analytes. Thermodynamic parameters revealed that this process is spontaneous and endothermic. Electronic supplementary materialThe online version of this article (10.1186/s13065-018-0486-2) contains supplementary material, which is available to authorized users.
机译：这项研究的目的是研究使用锡斯坦沙作为极低成本的吸附剂，从水溶液中同时优化和去除染料，孔雀石绿（MG），若丹明B（RhB）和甲酚红（CR）的可行性。通过使用Taguchi和Plackett–Burman实验设计方法，通过实验研究了影响分析物在吸附剂上的吸附的因素。在大多数情况下，这两个模型的结果彼此一致，并且与获得的实验数据一致。 Taguchi方法能够准确预测结果，MG，RhB和CR的准确度分别优于97.89％，95.43％和97.79％。在最佳条件下，吸附剂可以同时去除83％以上的染料，其中MG，RhB和CR在沙滩上的吸附染料量分别为0.132、0.109和0.120 mg g -1 。分别。动力学研究表明伪二阶是所有分析物吸附的最佳模型。热力学参数表明该过程是自发的且吸热的。电子补充材料本文的在线版本（10.1186 / s13065-018-0486-2）包含补充材料，授权用户可以使用。

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