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Adsorption of Methylene Blue from Aqueous Solution onto Peracetic Acid-Modified Loosestrife Powder - A New Adsorbent

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Abstract:

Modified loosestrife powder (MLP), as a new adsorbent, was prepared from dry loosestrife powder by oxidization treatment using peracetic acid with tetrahydrate manganese acetate as catalyst. IR spectra analysis and Boehm titration method were employed to explore MLP’ surface acidic functional groups. Batch adsorption experiments were carried out for the removal of Methylene Blue (MB) from aqueous solution by MLP. Equilibrium experimental data were better represented by Freundlich isotherm using linear methods. Thermodynamic parameters such as G, H and S were also calculated. The results showed that the adsorption of MB onto MLP was efficient and could serve as a promising low-cost adsorbent.

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Periodical:

Advanced Materials Research (Volumes 152-153)

Pages:

691-696

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.152-153.691

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Online since:

October 2010

Authors:

Hui Jun Xie, Wei Tan, Jian Zhang, Hong Bin Niu

Keywords:

Adsorption, Functional Groups, Isotherm, Methylene Blue (MB), Peracetic Acid-Modified Loosestrife Powder

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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