Modified Mangosteen shell carbon in the removal of Pb (II) and Hg (II) from aqueous solution - isotherm and kinetic studies

被引：2
|
作者：
Anitha, D. [1 ]
Ramadevi, A. [2 ]
机构：
[1] Karpagam Inst Technol, Dept Chem, Coimbatore 641105, Tamil Nadu, India
[2] Govt Coll Technol, Dept Chem, Coimbatore 641013, Tamil Nadu, India
来源：
GLOBAL NEST JOURNAL | 2021年 / 23卷 / 01期
关键词：
ACTIVATED CARBON; NICKEL REMOVAL; WASTE-WATER; PB(II) IONS; ADSORPTION; EQUILIBRIUM; PEEL; LEAD; BIOSORPTION; CU2+;
D O I：
10.30955/gnj.003188
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
An adsorbent was prepared from Mangosteen shell using sulphuric acid and sodium bicarbonate as modifiers. Bicarbonate treated mangosteen shell (BTMC) was characterized using FT-IR, SEM, EDAX and XRD data. The Freundlich adsorption isotherm model gives a good fit. The maximum adsorption capacities of BTMC were found to be 58.48 mg g-1 and 49.75 mg g-1 for Pb (II) and. Hg (II). Adsorption of Pb (II) and Hg (II) followed pseudo-second-order kinetics. The adsorption mechanism was explained using the Weber and Morris's intra-particular diffusion process. Batch mode studies with synthetic wastewater suggest that BTMC can be efficiently used in wastewater treatment.
引用
收藏
页码：112 / 118
页数：7
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