FABRICATION OF CHELATING DIETHYLENETRIAMINATED PAN MICRO- AND NANO-FIBERS FOR HEAVY METAL REMOVAL

被引：25
|
作者：
Abdouss, Majid [1 ]
Shoushtari, Ahmad Mousavi [2 ]
Haji, Aminoddin [3 ]
Moshref, Behnam [1 ]
机构：
[1] Amirkabir Univ Technol, Dept Chem, Tehran, Iran
[2] Arnirkabir Univ Technol, Dept Text Engn, Tehran, Iran
[3] Islamic Azad Univ, Birjand Branch, Dept Text Engn, Birjand, Iran
来源：
CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY | 2012年 / 18卷 / 01期
关键词：
acrylic fiber; chelating; ion exchange; modification; adsorption; POLYACRYLONITRILE FIBERS; EFFICIENCY; ADSORPTION;
D O I：
10.2298/CICEQ110719043A
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
In this study, commercial acrylic fibers were modified with diethylenetriamine to prepare metal chelating fibers. The effects of process parameters on the efficiency of the reaction were investigated. FTIR spectroscopy and TGA analysis were used to confirm the chemical changes made to the fibers during the reaction. The ability of the modified fibers for removal of Pb(II), Cu(II) and Ce(IV) ions from aqueous media was determined. The modified fibers showed a slight decrease in mechanical properties compared to raw ones. Furthermore, the acrylic micro fiber polymeric solutions were electrospun to nanofibers and the ability of modified nanofibers for the adsorption of the metal ions was studied.
引用
收藏
页码：27 / 34
页数：8
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