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Citation: CHEN Tiantian, WEI Changmei, XUE Ailian, WANG Jintang. Adsorption of Methyl Orange on Guanidine Modified Attapulgite[J]. Chinese Journal of Applied Chemistry, ;2011, 28(7): 809-814. doi: 10.3724/SP.J.1095.2011.00444 shu

Adsorption of Methyl Orange on Guanidine Modified Attapulgite

1.
a Key Laboratory for Chemistry of Low-Dimensional Materials of Jiangsu Province, College of Chemistry and Chemical Engineering of Huaiyin Normal University, Huaian 223300;
2.
b Department of Applied Chemistry, College of Science, Nanjing University of Technology, Nanjing

Corresponding author: WEI Changmei,
Received Date: 30 July 2010
Available Online: 20 December 2010
Fund Project: 江苏省教育厅自然科学基金(JH08-32)资助项目 (JH08-32)江苏省低维材料化学重点建设实验室开放研究基金(JSKC09060)资助项目 (JSKC09060)江苏省高校科研成果产业化推进项目(JH08038) (JH08038)

The adsorption capability of 16 alkyl-guanidine modified attapulgite for methyl orange was studied.The effects of adsorption time,the amount of adsorbent,and the concentration of the dyes were also studied.The results showed that the adsorption capacity of the modified attapulgite clay was improved obviously,and the decolorization rate of methyl orange simulated wastewater dyes was higher than 98%.The relationship between adsorpting capacity(q_e) and equilibrum mass concentration(ρ_e) was in accordance with the isothermal adsorption Langmuir equations.The adsorption heat is less than 40 kJ/mol.The adsorption exhibits a physical adsorption.
- hexadecylguanidine,
- modification,
- attapulgite,
- methyl organge,
- adsorption
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