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

页码：112 / 118

页数：7

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