Adsorption of Cu (II) from Aqueous Single Metal Solutions by Bagasse Pith Chemically Modified with EDTA Dianhydride (EDTAD)

Abstract:

It was detail studied that the preparation of new chelating materials derived from bagasse pith for adsorption of Cu2+ ion. The bagasse pith was modified by the ethylenediaminetetraacetic dianhydride (EDTAD) and the mechanism of sorption property for heavy metal ion was studied. The FTIR was used to characterize the esterified pith(EP). The results show that the optimal conditions are 24 h of reaction time and 1.5 g of EDTAD dosage and the maximum adsorption capacity for Cu2+ is 76.76mg/g. The peaks at 1743.62 cm−1, 1598.59 cm−1,1408.06 cm−1 in FTIR suggest carbonyl functions in the materials. The Langmuir model can describe the process of adsorbing Cu2+onto EP.

• Periodical: Advanced Materials Research (Volumes 535-537)
• Pages: 1601-1604
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.535-537.1601
• Online since: June 2012
• Authors: Chang Li Ouyang, Xin Liang Liu, Fang Hu, Shuang Xi Nie, Jun Chao Liu, Hai Nong Song
• Keywords: Ethylenediaminetetraacetic Dianhydride, Heavy Metal, Modified Bagasse Pith

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