RESPONSE SURFACE METHODOLOGY APPROACH FOR OPTIMIZATION OF METHYL ORANGE ADSORPTIVE REMOVAL BY MAGNETIC CHITOSAN NANOCOMPOSITE

被引：7
|
作者：
Tanhaei, Bahareh [1 ]
Moghaddam, Ali Zeraatkar [2 ]
Ayati, Ali [1 ]
Deymeh, Fatemeh [3 ]
Sillanpaa, Mika [4 ]
机构：
[1] Quchan Univ Adv Technol, Dept Chem Engn, Quchan, Iran
[2] Univ Birjand, Dept Chem, Fac Sci, Birjand, South Khorasan, Iran
[3] Birjand Univ Technol, Dept Chem Engn, Fac Engn, Birjand, South Khorasan, Iran
[4] Lappeenranta Univ Technol, LUT Sch Engn Sci, Lab Green Chem, Sammonkatu 12, FI-50130 Mikkeli, Finland
来源：
MACEDONIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING | 2017年 / 36卷 / 01期
关键词：
adsorption; optimization; chitosan; magnetic; response surface methodology; WASTE-WATER; DYE REMOVAL; METAL; DERIVATIVES; ADSORBENTS; IONS; ACID; COMPOSITES; BEHAVIOR; CO(II);
D O I：
10.20450/mjcce.2017.991
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, the adsorption process of methyl orange (MO) removal by a magnetic chitosan with an Al2O3/Fe3O4 core was optimized using the experimental design method in order to maximize the removal efficiency. Response surface methodology (RSM) based on central composite design (CCD) was performed to find the relationship between the effective adsorption parameters on the MO removal efficiency as the response. The statistical parameters of the derived model were acquired: R-2 = 0.9799 and F value = 47.07. Finally, non-linear optimization was carried out and values of 6.5, 0.70 g l(-1), 30 ppm, and 60 min were obtained as the optimum values for pH, adsorbent dosage, initial concentration, and contact time, respectively, while the predicted MO removal efficiency was found to be 96.8 +/- 2.2% (with a 95% confidence level). This was in agreement with the experimental response of 96.5 +/- 1.4%.
引用
收藏
页码：143 / 151
页数：9
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