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Proceedings of the 4th International Conference on
Nanostructures (ICNS4)12-14 March 2012, Kish Island, I.R. Iran
Abstract Book|INST| Sharif University of Technology|130
APP 199APP
APP 197
APP 200
We have magnetizedSaccharomyces Cervisiaecellswith nano-magnet-
ic particles. This procedure enables a simple separation of modied
cells by a at magnetic separator or strong permanent magnets. It al-
lows using the magnetic yeast cells as a new fast and cheap magnetic
adsorbent for the removal of water impurities. Magnetically modied
cells were characterized by Scanning electron microscopy (SEM).
Blue aniline dyewas used to study the adsorption process.The adsorp-
tion of the tested dye occurred quickly and reached equilibrium in ap-
proximately 50-70 min.
Keywords: Saccharomyces Cervisiae cell; Ferro uid; Dyes; Adsorption
R. Hosseinifara, N. Maleki-Jirsaraeia*, S. Rouhaniba Complex systems Lab, Department of Physics, University of Alzahra, Tehran,
Iranb Department of Physics, Sharif University of Technology, Tehran, Iran
Magnezed Saccharomyces Cervisiae as an Adsorbentfor Dyes Removal
Photocatalytic reduction is a useful technology to purication of indus-
trial wastewater. In this paper, the removal of ammonia from petrochem-
ical wastewater by photocatalytic process, under UV light irradiation
was investigated.TiO2nano particles were used as photocatalyst which
coated on mesoporous support. A simple and efcient method was used
to preparation of catalyst. HPLC analyses were used for measuring the
concentration of components, and Scanning electron microscopy (SEM)
analyse was carried out for characterization including crystal size and
morphology of prepared catalysts. The obtained results showed ef-
ciency of ammonia degradation for TiO2/Leca excited by UV irradiation
systems after 360 min irradiated is 51%. Also, well and uniform coating
of nano particles TiO2 on support was conrmed by SEM method.
Keywords: Industrial wastewater; Photocatalyst; Ammonia; TiO2; Leca
M.Zendehzaban a, Y. Shavisib, S. Kakehazarb, M.A.Khadivib, Sh.Sharifniab*aFaculty of Eng., Islamic Azad University, South Tehran branch, Tehran,
1584743311, IranbCatalyst Research Center, Depart. Chem. Eng., Razi University, Kerman-
shah, 67149- 67246, Iran.
Removal of Ammonia from Petrochemical Wastewater
by Photocatalyc Process
In this study poly-styrene (PS) Nano-Fibers are produced via Electro -
spinning method and made a composite by Iron oxide Nano particles
for removal of Arsenic from water and making it potable. In fact the
arsenic can be removed by Iron Oxide NPs ion exchange ability which
is caused by nano ber composite (NFC) . Synthesized NFC has been
characterized using scanning electron microscopy (SEM), X-ray dif-
fraction (XRD) and energy dispersive X-ray (EDAX). According to
the Analysis results the size of the synthesized particle and compos-
ited Nano bers were about 17 and 82 nm, respectively. Finally NFCis applied in lab ltering pilot to evaluate its efciency on Arsenic
removal from water.
Keywords: Nano ber composite; Iron oxide; Arsenic and ltering
M. Mirjanikahakia, F. Jokarisheshdehb, M. Meskinfamb*a Department of chemistry, University of Islamic Azad University North Teh-
ran, Tehran, IranbDepartment of chemistry, Islamic Azad University University, Lahijan
branch, Lahijan, Iran
Synthesis of Nano Fiber Composite (NFC) for Arsenic
Removalfrom Drinking Water
SYN 196
The electrochemical treatment of solutions containing C.I. Direct Red
23 (DR23) has been studied under recirculation mode with an UV ir-
radiation of 15 W. Decolorization experiments were performed in the
presence of sulfate electrolyte media at pH 3.0 with carbon nanotube-
polytetrauoroethylene (CNT-PTFE) electrode as cathode. A compar-
ison of electro- Fenton (EF) and photoelectro-Fenton (PEF) processes
for decolorization of DR23 solution was carried out. Color removal
efciency was 66.22 and 94.29% for EF and PEF processes after 60min of treatment, respectively. The effect of operational parameters
on the PEF process such as applied current, initial Fe 3+ concentration
and initial dye concentration was studied in an attempt to reach high
decolorization efciency. Results indicated that the optimal conditions
for decolorization process were applied current of 0.3 A, initial Fe3+
concentration of 0.05 mM and initial dye concentration of 10 mgrL-1.
Keywords:Carbon nanotube; Photoelectro-Fenton; Reactive dye; Water
treatment
A.R. Khataee a*, B. Vahidb, B. Behjatia, M. Safarpoura, M. Zareia Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz,
Tabriz, Iranb Young Researchers Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran
Applicaon of Carbon Nanotube-PTFE Cathode for Elec-
trochemical Treatment of a Reacve Dye Soluon in aFlow Plant
APP 198
Multiwalled carbon nanotubes (MWCNTs) were acidied by H2O2,
KMnO4 and HNO3, which they were, employed as adsorbent to study
the adsorption characteristic for Pb+2 and Cu+2 from aqueous solu-
tion. The results show that adsorption capacity of MWCNTs treated
by oxidizing can be greatly enhanced. The larger adsorption capac-
ity of acidied MWCNTs is mainly due to the exogenous functional
groups formed on the surface of acidied MWCNTs. Therefore, oxida-
tion process improves their dispersivity and increases a large amount
of oxygen-containing functional groups like COOH, OH, or C=O
on the surface site of CNTs.Our results suggest that MWCNTs can be
good Pb+2 and Cu+2 absorbers and have great potential applications in
environmental protection.
Keywords:Carbon nanotubes; Oxidation; Adsorption; Functional groups
A. Sabzalizade Farhood*, P.AberomandAzar
Department of Science, Science and Research Branch, Islamic Azad Uni-
versity, Tehran, Iran
Removal of Cu+2and Pb+2 from Aqueous Soluons by
Oxidized Mulwalled Carbon Nanotubes