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Adsorption characteristics of methyl red dye by Na2CO3-treated jute fibre using multi-criteria decision making approach
Applied Water Science ( IF 5.5 ) Pub Date : 2022-06-14 , DOI: 10.1007/s13201-022-01700-9
Amit Kumar Dey, Abhijit Dey, Rumi Goswami

This article reports the use of sodium carbonate-treated jute fibre (SCTJF), for the removal of an azo dye methyl red (MR). Face-centred CCD, based on RSM, experimental design has been used to acquire a definite number of experimental paths in order to ascertain improved experimentation towards reaching performance characteristics that are ideal in order to remove the dye (MR) dissolved in aqueous solution. Independent variable parameters used for dye removal and maximum adsorption capacity (Qmax) are: rotational speed (100 RPM, 150 RPM and 200 RPM), temperature (293 K, 303 K and 313 K), pH (3, 7 and 11) and adsorbent (SCTJF) dose (10 mg/L, 14 mg/L and 18 mg/L), where Qmax of the treated jute was considered to be the performance measure for dye removal. ANOVA was used in conjunction with a quadratic model of second order to explore the impact of operating variables and their elucidation. pH = 7.08, temperature = 299.57 K, SCTJF dose = 14.74 g/L, and stirring speed = 155 RPM were found to be the best process conditions. With a desirability of 0.98, the computed experimental Qmax (32.11 mg/g) and anticipated Qmax (31.7 mg/g) were in resonance within the domain threshold, indicating outstanding accuracy of the experimentation operations.



中文翻译:

基于多准则决策方法的 Na2CO3 处理黄麻纤维对甲基红染料的吸附特性

本文报道了使用碳酸钠处理的黄麻纤维 (SCTJF) 去除偶氮染料甲基红 (MR)。基于 RSM 的面心 CCD 实验设计已用于获得一定数量的实验路径,以确定改进的实验以达到理想的性能特征,以去除溶解在水溶液中的染料 (MR)。用于染料去除和最大吸附容量 (Q max ) 的独立变量参数为:转速(100 RPM、150 RPM 和 200 RPM)、温度(293 K、303 K 和 313 K)、pH(3、7 和 11)和吸附剂 (SCTJF) 剂量(10 mg/L、14 mg/L 和 18 mg/L),其中 Q max处理过的黄麻被认为是去除染料的性能指标。ANOVA 与二阶二次模型结合使用,以探索操作变量的影响及其阐明。pH = 7.08,温度 = 299.57 K,SCTJF 剂量 = 14.74 g/L,搅拌速度 = 155 RPM 是最佳工艺条件。期望值为 0.98,计算的实验 Q max (32.11 mg/g) 和预期的 Q max (31.7 mg/g) 在域阈值内共振,表明实验操作具有出色的准确性。

更新日期:2022-06-14
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