Polyfurfuryl alcohol composite as adsorbent of polychlorinated biphenyls and pyrethroid insecticides

被引:5
作者
A. Esteve-Turrillas, Francesc
Perez-Cabero, Monica
de la C. Garcia, Teresita
Zahedi, Shahla
Pastor, Agustin
Martinez, Ricardo [1 ]
机构
[1] Univ Havana, IMRE, Polymer Lab, Havana 10400, Cuba
[2] Univ Valencia, Dept Analyt Chem, E-46100 Valencia, Spain
[3] Univ Valencia, Inst Ciencia Mat, Valencia 46071, Spain
[4] Agrary Univ Havana, Dept Chem, Havana 32700, Cuba
关键词
furfuryl alcohol; silica composite; environment pollutant samplers; PCB; pyrethroid;
D O I
10.1016/j.polymertesting.2007.02.006
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Composites from furfuryl alcohol and silica gel were prepared in dichloromethane using trifluoroacetic acid as catalyst and characterized by means of thermogravimetric analysis, transmission electron microscopy and nitrogen adsorption-desorption isotherms. The polymer content in the composites ranged between 19.5% and 32.9%. The capability to adsorb polychlorinated biphenyls and pyrethroid insecticides was tested for composite samples containing different percentages of polymer. Pyrethroids are retained almost totally by composites containing around 24-33% of polymer, while recovery of PCBs close to 80% is obtained with all the composites. No selectivity between compounds of the same family was observed. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:587 / 594
页数:8
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