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Item Information   Holdings       More by this author     Song, Kyongmin     Milwaukee School of Engineering     Subjects     Nanosilicon.     Nanoparticles -- adverse effects.     Factory and trade waste -- Purification     Nanotechnology -- Environmental aspects.     Water -- Purification -- Adsorption     Carbon, Activated     MSEV Project.     Browse Catalog     by author:      Song, Kyongmin      Milwaukee School of Engineering       by title:      Effects of nanoparti...         MARC Display

Effects of nanoparticles on granular activated carbon in industrial wastewater treatment : a report submitted to the faculty of the Milwaukee School of Engineering in partial fulfillment of the requirements for the degree of Master of Science in Environmental Engineering / by Kyongmin Song. by Song, Kyongmin, Milwaukee School of Engineering Subjects Nanosilicon.   Nanoparticles -- adverse effects.   Factory and trade waste -- Purification   Nanotechnology -- Environmental aspects.   Water -- Purification -- Adsorption   Carbon, Activated   MSEV Project. Description:  76 leaves : illustrations, some of which are in color ; 29 cm. Contents:  Thesis advisor: Kenneth Kaszubowski. Committee members: Dr. Francis Mahuta, Dr. Anne-Marie Nickel. Introduction -- Background -- Literature review -- Experimental design -- Silica nanoparticles stability testing -- Column breakthrough study -- Application of results -- Impact of silica nanoparticles on adsorption capacity -- Conclusions and recommendations -- Appendix A: Net present value calculations. With the introduction of industrial scale manufacturing of nanoparticles and their use in manufacturing processes, it is imperative to accurately predict and model their possible effects on downstream treatment systems. A rising concern is the effects of manufactured nanoparticles on wastewater facilities, particularly their effects on granular activated carbon (GAC). GAC is primarily used in industrial wastewater facilities to remove volatile organic compounds (VOC) from the wastewater effluent so that treatment requirements and discharge limitations can be met. The goal of this project is to evaluate the effects of nanoparticles on GAC's ability to adsorb organic compounds. Column breakthrough studies were performed to quantitatively model the effects of the presence of silica nanoparticles on GAC's ability to capture trichloroethylene (TCE), a widely used industrial solvent. The column breakthrough data were fitted using the Yoon-Nelson empirical model. The results of these studies found that there were indeed significant impacts that silica nanoparticles imposed on GAC's ability to adsorb TCE. At an influent nanoparticle concentration of 25mg/L, breakthrough studies found an 18% reduction in the adsorption capacity of GAC. These bench scale studies, combined with a comprehensive literature review, were used to predict the extent that certain nanoparticle concentrations in wastewater influent could affect GAC's adsorption capacity. Form:  text unmediated volume   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .S61 2013 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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