Influence of ultrasonication on preparation of novel material for heavy metal removal from wastewater

被引：25

作者：

Anbalagan, Saravanan ^{[1
]}

Ponnusamy, Senthil Kumar ^{[1
]}

Selvam, Sundar Rajan Panneer ^{[1
]}

Sankaranarayan, Abishek ^{[1
]}

Dutta, Abhishek ^{[1
]}

机构：

[1] SSN Coll Engn, Dept Chem Engn, Madras 603110, Tamil Nadu, India

来源：

KOREAN JOURNAL OF CHEMICAL ENGINEERING | 2016年 / 33卷 / 09期

关键词：

Heavy Metal Ions; Caryota urens Seeds; Ultrasonication; Equilibrium; Kinetics; Process Design; ACTIVATED CARBON; AQUEOUS-SOLUTION; GRAPHENE OXIDE; GRAPHITE OXIDE; LEAD IONS; ADSORPTION; ZINC; EQUILIBRIUM; COMPOSITES; MEMBRANES;

D O I：

10.1007/s11814-016-0109-3

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The present research introduces a new concept on rapid removal of Pb(II) ions from wastewater using novel agro-based material. The two types of materials such as sulfuric acid modified Caryota urens seeds (SMCUS) and ultrasonic assisted Caryota urens seeds (UACUS) were prepared and performance was compared for Pb(II) ions removal. The functional groups available on the C. urens were discussed by using FT-IR report. Adsorption influencing parameters such as initial metal ion concentration, pH, contact time, adsorbent dosage and temperature were studied to predict the optimum conditions. Several isotherm and kinetic models were applied to examine the experimental data. The present adsorption-adsorbate system best obeys the Freundlich and pseudo-first-order models. Langmuir monolayer capacity of the SMCUS and UACUS for Pb(II) ions was found to be 93.7 and 175.9mg/g, respectively. Thermodynamic parameters explain that the adsorption of Pb(II) ions was spontaneous and exothermic.

引用

页码：2716 / 2731

页数：16

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