naa a22 4500 510752357 CHVBK 20180411083109.0 cr unu---uuuuu 180411e20130201xx s 000 0 eng 10.1007/s11270-012-1402-3 doi (NATIONALLICENCE)springer-10.1007/s11270-012-1402-3 Comparative Study on the Implication of Three Nanoparticles on the Removal of Trichloroethylene by Adsorption-Pilot and Rapid Small-Scale Column Tests [Elektronische Daten] [Hafiz Salih, Craig Patterson, George Sorial] The impact of three commercially available nanoparticles (NPs) on trichloroethylene (TCE) adsorption onto granular activated carbon (GAC) was investigated. TCE adsorption isotherm and column breakthrough experiments were conducted in the presence and absence of silicon dioxide, titanium dioxide, and iron oxide nanoparticles. A rapid small-scale column test (RSSCT) was assessed for its ability to predict TCE adsorption in pilot-scale GAC in the presence and absence of NPs. Zeta potential of the three NPs and the GAC were measured. Particle size distribution of the NP dispersions was analyzed as a function of time. The surface area and the pore size distribution of the virgin and the exhausted GAC were obtained along with transmission electron microscopy and Fourier transform infrared spectroscopy analysis. The effect of NPs was found to be a function of their zeta potential, concentration, and particle size distribution. Due to their electrical charge, NPs attached to the GAC and blocked the pores and thus reduced the access to the internal pore structure. However, due to the fast adsorption kinetics of TCE, no effect from the three NPs was observed in the isotherm and kinetic studies. The RSSCT, on the other hand, accurately predicted the pilot-column TCE breakthrough in the presence of NPs. Springer Science+Business Media Dordrecht, 2012 Activated carbon nationallicence Adsorption nationallicence Nanoparticles nationallicence Rapid small-scale column test nationallicence RSSCT nationallicence Trichloroethylene nationallicence Salih Hafiz Water Supply and Water Resources, U.S. EPA and the National Research Council (NRC), 26 W. Martin Luther King Dr., 45268, Cincinnati, OH, USA aut Patterson Craig Water Supply and Water Resources, U.S. EPA, 26 W. Martin Luther King Dr., 45268, Cincinnati, OH, USA aut Sorial George Environmental Engineering Program, School of Energy, Environmental, Biological, and Medical Engineering, College of Engineering and Applied Science, University of Cincinnati, 45221-0012, Cincinnati, OH, USA aut Water, Air, & Soil Pollution Springer Netherlands 224/2(2013-02-01), 1-11 0049-6979 224:2<1 2013 224 11270 https://doi.org/10.1007/s11270-012-1402-3 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11270-012-1402-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Salih Hafiz Water Supply and Water Resources, U.S. EPA and the National Research Council (NRC), 26 W. Martin Luther King Dr., 45268, Cincinnati, OH, USA aut NATIONALLICENCE 700 1- Patterson Craig Water Supply and Water Resources, U.S. EPA, 26 W. Martin Luther King Dr., 45268, Cincinnati, OH, USA aut NATIONALLICENCE 700 1- Sorial George Environmental Engineering Program, School of Energy, Environmental, Biological, and Medical Engineering, College of Engineering and Applied Science, University of Cincinnati, 45221-0012, Cincinnati, OH, USA aut NATIONALLICENCE 773 0- Water, Air, & Soil Pollution Springer Netherlands 224/2(2013-02-01), 1-11 0049-6979 224:2<1 2013 224 11270 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer