Adsorption kinetics with Zn<sup>2+</sup> on bamboo charcoal loaded with chitosan

ZHANG Wen-biao; LI Wen-zhu; JIN Shou-wen; CHEN Bin; REN Hong-xing; SUN Jin

doi:10.11833/j.issn.2095-0756.2010.05.001

Volume 27 Issue 5

Oct. 2010

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Article Navigation > Journal of Zhejiang A&F University > 2010 > 27(5): 641-645

ZHANG Wen-biao, LI Wen-zhu, JIN Shou-wen, CHEN Bin, REN Hong-xing, SUN Jin. Adsorption kinetics with Zn2+ on bamboo charcoal loaded with chitosan[J]. Journal of Zhejiang A&F University, 2010, 27(5): 641-645. doi: 10.11833/j.issn.2095-0756.2010.05.001

Citation:

ZHANG Wen-biao, LI Wen-zhu, JIN Shou-wen, CHEN Bin, REN Hong-xing, SUN Jin. Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan[J]. Journal of Zhejiang A&F University, 2010, 27(5): 641-645. doi: 10.11833/j.issn.2095-0756.2010.05.001

Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan

doi: 10.11833/j.issn.2095-0756.2010.05.001

1.
National Engineering and Technology Research Center of Wood-Based Resources Comprehensive Utilization， School of Engineering，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;
2.
School of Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;
3.
School of Environment Science and Technology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;
4.
Ningbo Tianyun Ecological Engineering Co.，Ltd.，Ningbo 315192，Zhejiang，China

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Corresponding author: ZHANG Wen-biao
Publish Date: 2010-10-20

Abstract

A compound absorbent was made from bamboo charcoal and chitosan （bamboo charcoal/chitosan-BCCTS）. Then the compound was characterized with a Scanning Electron Microscope（SEM），a Fourier Transform Infrared（FTIR） spectrometer，and X-ray diffraction（XRD）. Using BCCTS as the absorption reagent，adsorption to Zn2+ was studied. Results showed that：（1） chitosan was efficiently loaded onto bamboo charcoal forming an increased，but uneven，honeycomb structure with an absorption reagent rate up to 93%. （2） Adsorption characteristics matched those of a vesicular structure with simulation results producing a second order kinetic equation. （3） Comparing the infrared absorption spectrogram results of Zn2+ before and after absorption showed that adsorption sites for Zn2+ on the bamboo charcoal/chitosan absorbent were mainly located at N atoms in NH2 and O atoms in OH and C　O groups.［Ch，9 fig. 11 ref.］
- bamboo charcoal/chitosan,
- absorption of Zn2+ ion,
- absorption kinetics,
- mechanism

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan

1. National Engineering and Technology Research Center of Wood-Based Resources Comprehensive Utilization， School of Engineering，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;

2. School of Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;

3. School of Environment Science and Technology，Zhejiang A & F University，Lin’an 311300，Zhejiang，China;

4. Ningbo Tianyun Ecological Engineering Co.，Ltd.，Ningbo 315192，Zhejiang，China

Corresponding author: ZHANG Wen-biao

Publish Date: 2010-10-20

Key words:

Abstract: A compound absorbent was made from bamboo charcoal and chitosan （bamboo charcoal/chitosan-BCCTS）. Then the compound was characterized with a Scanning Electron Microscope（SEM），a Fourier Transform Infrared（FTIR） spectrometer，and X-ray diffraction（XRD）. Using BCCTS as the absorption reagent，adsorption to Zn2+ was studied. Results showed that：（1） chitosan was efficiently loaded onto bamboo charcoal forming an increased，but uneven，honeycomb structure with an absorption reagent rate up to 93%. （2） Adsorption characteristics matched those of a vesicular structure with simulation results producing a second order kinetic equation. （3） Comparing the infrared absorption spectrogram results of Zn2+ before and after absorption showed that adsorption sites for Zn2+ on the bamboo charcoal/chitosan absorbent were mainly located at N atoms in NH2 and O atoms in OH and C　O groups.［Ch，9 fig. 11 ref.］

Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan

doi: 10.11833/j.issn.2095-0756.2010.05.001

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Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan

doi: 10.11833/j.issn.2095-0756.2010.05.001

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Adsorption kinetics with Zn2+ on bamboo charcoal loaded with chitosan

doi: 10.11833/j.issn.2095-0756.2010.05.001

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Adsorption kinetics with Zn2+ on bamboo charcoal loaded with chitosan

doi: 10.11833/j.issn.2095-0756.2010.05.001

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Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan

Adsorption kinetics with Zn²⁺ on bamboo charcoal loaded with chitosan