Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon
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Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon
Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon
中国化学工程学报(英文版)2012年20卷第4期 页码:768-775
Affiliations:
1. Analytical Chemistry Laboratory, Department of Chemistry, Shivaji University, Kolhapur-4,India,416 00
2. Department of Environmental Science, Shivaji University, Kolhapur-4,India,416 00
Author bio:
Funds:
DOI:
中图分类号:
纸质出版:2012
Accepted:
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SARTAPE Ashish, MANDHARE Aniruddha, SALVI Prathmesh, 等. Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon[J]. 中国化学工程学报(英文版), 2012,20(4):768-775.
SARTAPE Ashish, MANDHARE Aniruddha, SALVI Prathmesh, PAWAR Dattatraya, RAUT Prakash, ANUSE Mansing, KOLEKAR Sanjay. Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon[J]. Chin.J.Chem.Eng., 2012, 20(4): 768-775.
SARTAPE Ashish, MANDHARE Aniruddha, SALVI Prathmesh, 等. Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon[J]. 中国化学工程学报(英文版), 2012,20(4):768-775.DOI:
SARTAPE Ashish, MANDHARE Aniruddha, SALVI Prathmesh, PAWAR Dattatraya, RAUT Prakash, ANUSE Mansing, KOLEKAR Sanjay. Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon[J]. Chin.J.Chem.Eng., 2012, 20(4): 768-775.DOI:
Removal of Bi(Ⅲ) with Adsorption Technique Using Coconut Shell Activated Carbon
摘要
Abstract
In present study
we report the preparation of coconut shell activated carbon as adsorbent and its application for Bi(Ⅲ) removal from aqueous solutions.The developed adsorbent was characterized with scanning electron microscope(SEM)
Fourier Transform Infrared(FTIR)
C
H
N
S analyzer
and BET surface area analyzer.The parameters examined include agitation time
initial concentration of Bi(Ⅲ)
adsorbent dose and temperature.The maximum adsorption of Bi(Ⅲ)(98.72%) was observed at 250 mg·L
-1
of Bi(Ⅲ) and adsorbent dose of 0.7 g when agitation was at 160 r·min
-1
for 240 min at(299±2) K.The thermodynamic parameters such as Gibb's free energy(△
G
θ
)
enthalpy(△
H
θ
) and entropy(△
S
θ
) were evaluated.For the isotherm models applied to adsorption study
the Langmuir isotherm model fits better than the Freundlich isotherm.The maximum adsorption capacity from the Langmuir isotherm was 54.35 mg·g
-1
of Bi(Ⅲ).The kinetic study of the adsorption shows that the pseudo second order model is more appropriate than the pseudo first order model.The result shows that
coconut shell activated carbon is an effective adsorbent to remove Bi(Ⅲ) from aqueous solutions with good adsorption capacity.
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