شماره ركورد كنفرانس :
4518
عنوان مقاله :
Fabrication of Novel organic-inorganic hybrid membrane for adsorption of heavy metals from aqueous solution
Author/Authors :
Mohammad Irani Department of Chemical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran , Mohammad Ali Mousavian Department of Chemical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran , Ali Reza Keshtkar Nuclear Fuel Cycle School, Nuclear Science and Technology Research Institute, Tehran, Iran
كليدواژه :
PVA/TEOS/TMPTMS hybrid membrane , sol-gel , functional groups , heavy metals , adsorption
عنوان كنفرانس :
The 7th International Chemical Engineering Congress & Exhibition (IChEC 2011
چكيده لاتين :
Novel organic-inorganic hybrid membranes were prepared through sol-gel reaction of poly(vinyl
alcohol) (PVA) with tetraethyl orthosilicate (TEOS) and 3-mercaptopropyltrimethoxysilane
(TMPTMS). The membranes were characterized by FT-IR, SEM, EDAX and BET analysis. FTIR
spectra of PVA/TEOS/TMPTMS indicate that the TMPTMS have been introduced successfully into
the PVA/TEOS structure. The change in surface of the PVA/TEOS/TMPTMS in SEM image indicates
that metal ions successfully interact with functional groups of the membrane. The results of lead,
cadmium, nickel and uranium ions adsorption onto the PVA/TEOS/TMPTMS hybrid membranes with
different weight percents of TEOS and TMPTMS show that the optimum weight percent of TEOS and
TMPTMS are 20% and 15% ,respectively
