Title
Sorption of ethylbenzene, toluene and xylene onto crumb rubber from aqueous solutions
Date Issued
23 August 2007
Access level
metadata only access
Resource Type
conference paper
Author(s)
Alamo-Nole L.
Roman F.
University of Puerto Rico
Abstract
Samples of waste tires crumb rubber mesh 14-20, produced by REMA Inc., were contacted with 30ppm aqueous solutions of ethylbenzene (E), toluene (T) and xylene (X) to evaluate the corresponding sorption capability. The concentration of the sorbent varied from 0.1 to 10 g crumb rubber/L. Solution aliquots were withdrawn at different times and analyzed by GC-MS to monitor the progress of the sorption process. Obtained results confirmed the capability of crumb rubber to remove ETX compounds from aqueous solutions. This removal efficiency was dependent on solution pH and crumb rubber concentration. The ethylbenzene concentration dropped from 30 ppm down to 1.4 ppm in the first 30 minutes of contact when 10 g/L of crumb rubber were used. The maximum removal of xylene, ethylbenzene and toluene were 99, 95 and 77%, respectively, at pH 6. The corresponding uptake capacities were 55, 48 and 24 mg/g crumb rubber. The sorption efficiency of crumb rubber was xylene > ethylbenzene > toluene.
Start page
675
End page
678
Volume
4
Language
English
OCDE Knowledge area
Ingeniería ambiental
Scopus EID
2-s2.0-34547975908
Source
2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings
ISBN of the container
1420063421
Conference
2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings
Sources of information: Directorio de Producción Científica Scopus