Removal of Toulidine Blue O Dye from Aqueous Solution by Silica-Iron Oxide Nanoparticles

被引：12
|
作者：
Joshi, Seema [1 ]
Garg, V. K. [1 ,2 ]
Saini, Jyoti [3 ]
Kadirvelu, K. [4 ]
机构：
[1] Guru Jambheshwar Univ Sci & Technol, Dept Environm Sci & Engn, Hisar 125001, Haryana, India
[2] Cent Univ Punjab, Ctr Environm Sci & Technol, Bathinda 151001, Punjab, India
[3] Guru Jambheshwar Univ Sci & Technol, Dept Chem, Hisar 125001, Haryana, India
[4] DRDO BU Ctr Life Sci, Bharathiar Univ Campus, Coimbatore 641046, Tamil Nadu, India
来源：
MATERIALS FOCUS | 2018年 / 7卷 / 01期
关键词：
Co-Precipitation; Adsorption Isotherm; Dye Concentration; Toluidine Blue O; Kinetics;
D O I：
10.1166/mat.2018.1491
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study was conducted to explore the removal of Toluidine Blue O (TBO) dye from aqueous solution by Silicairon oxide (SiO2/Fe2O3) magnetic nanoparticles. SiO2/Fe2O3 nanoparticles were synthesized by co-precipitation method and characterized by using XRD, FTIR, SEM, EDX and DLS. Batch mode experiments were performed to optimize the process parameters namely pH, dye concentration, adsorbent dosage and contact time. The dye removal was 100% with 0.05 g adsorbent dose application to 10 mg/L dye solution at pH 6.5. Three adsorption isotherms namely Langmuir, Freundlich and Temkin were applied to the experimental data. According to Langmuir isotherm, maximum adsorption capacity was found to be 37.4 mg/g. The kinetic results show that data obeyed second order rate equation.
引用
收藏
页码：140 / 146
页数：7
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