Browsing by Author "Vecitis, Chad"
Now showing items 1-11 of 11
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CNT-based Electrochemical Filter for Water Treatment: Mechanisms and Applications
Liu, Han (2015-05-07)Water treatment is a critical global challenge requires innovated effective solution. Conventional treatment methods includes membrane filtration, adsorption and electrochemical oxidation of organics. This dissertation ... -
Covalent Binding of Single-Walled Carbon Nanotubes to Polyamide Membranes for Antimicrobial Surface Properties
Tiraferri, Alberto; Vecitis, Chad D.; Elimelech, Menachem (American Chemical Society (ACS), 2011)We propose an innovative approach to impart nanomaterial-specific properties to the surface of thin-film composite membranes. Specifically, biocidal properties were obtained by covalently binding single-walled carbon ... -
Doped Carbon Nanotube Networks for Electrochemical Filtration of Aqueous Phenol: Electrolyte Precipitation and Phenol Polymerization
Gao, Guandao; Vecitis, Chad D. (American Chemical Society (ACS), 2012)Electrochemical filtration with anodic carbon nanotube (CNT) networks is reported to be effective for chemical and microbiological water treatment. Here, we investigate how CNT doping affects the electrochemical filtration ... -
Electrochemical Carbon Nanotube Filter for Adsorption, Desorption, and Oxidation of Aqueous Dyes and Anions
Vecitis, Chad D.; Gao, Guandao; Liu, Han (American Chemical Society (ACS), 2011)An electrochemically active multiwalled carbon nanotube (MWNT) filter is observed to be effective toward the adsorptive removal and electrochemical oxidation of the aqueous dyes, methylene blue and methyl orange, and the ... -
Electrochemical Carbon Nanotube Filter Oxidative Performance as a Function of Surface Chemistry
Gao, Guandao; Vecitis, Chad D. (American Chemical Society (ACS), 2011)An electrochemical carbon nanotube filter has been reported to be effective for the removal and electrooxidation of aqueous chemicals and microorganisms. Here, we investigate how carbon nanotube (CNT) chemical surface ... -
Electrochemical Carbon-Nanotube Filter Performance toward Virus Removal and Inactivation in the Presence of Natural Organic Matter
Rahaman, Md. Saifur; Vecitis, Chad D.; Elimelech, Menachem (American Chemical Society (ACS), 2012)The performance of an electrochemical multiwalled carbon nanotube (EC-MWNT) filter toward virus removal and inactivation in the presence of natural organic matter was systematically evaluated over a wide range of solution ... -
Electrochemical Multiwalled Carbon Nanotube Filter for Viral and Bacterial Removal and Inactivation
Vecitis, Chad D.; Schnoor, Mary H.; Rahaman, Md. Saifur; Schiffman, Jessica D.; Elimelech, Menachem (American Chemical Society (ACS), 2011)Nanotechnology has potential to offer solutions to problems facing the developing world. Here, we demonstrate the efficacy of an anodic multiwalled carbon nanotube (MWNT) microfilter toward the removal and inactivation of ... -
Electrokinetic and Electrochemical Methods for Microbial and Organic Fouling Mitigation at Liquid-Solid Interfaces
Zhang, Qiaoying (2016-05-06)Organic and microbial fouling are the initial steps for biofilm formation, resulting in severe fouling problems in many environmental and engineered applications including membrane water filtration. Electro-active methods ... -
Reactive Transport Mechanism for Organic Oxidation during Electrochemical Filtration: Mass-Transfer, Physical Adsorption, and Electron-Transfer
Liu, Han; Vecitis, Chad D. (American Chemical Society (ACS), 2012)An electrochemical carbon nanotube (CNT) filter has been reported to be effective for the adsorptive removal and oxidation of aqueous organic compounds. Here, we complete a detailed investigation of the aqueous dye oxidation ... -
Reductive degradation of perfluoroalkyl compounds with aquated electrons generated from iodide photolysis at 254 nm
Park, Hyunwoong; Vecitis, Chad D.; Cheng, Jie; Dalleska, Nathan F.; Mader, Brian T.; Hoffmann, Michael R. (Royal Society of Chemistry (RSC), 2011)The perfluoroalkyl compounds (PFCs), perfluoroalkyl sulfonates (PFXS) and perfluoroalkyl carboxylates (PFXA) are environmentally persistent and recalcitrant towards most conventional water treatment technologies. Here, we ... -
Source Attribution of Poly- and Perfluoroalkyl Substances (PFASs) in Surface Waters from Rhode Island and the New York Metropolitan Area
Zhang, Xianming; Lohmann, Rainer; Dassuncao, Clifton; Hu, Cindy; Weber, Andrea Kristina; Vecitis, Chad D.; Sunderland, Elynor M (American Chemical Society (ACS), 2016)Exposure to poly- and perfluoroalkyl substances (PFASs) has been associated with adverse health effects in humans and wildlife. Understanding pollution sources is essential for environmental regulation, but source attribution ...