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TiO 2 Coated Activated Carbon: A Regenerative Technology for Water Recovery
Technical Paper
2002-01-2357
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Two widespread practices in water treatment are, removal of pollutants via adsorption onto activated carbon, and, oxidation of pollutants using a photocatalyst slurry and ultraviolet radiation. The ultimate goal of this research is to combine the adsorptive properties of carbon and the oxidative properties of titanium dioxide (TiO2), and construct a photocatalytically regenerative carbon filter for 100% water recovery. The premise is that the activated carbon, coated with TiO2, will capture the compounds through traditional filtration and adsorption. Once the carbon becomes exhausted, it can be regenerated in-situ by turning on the UV lamps thereby activating the photocatalyst. This paper presents a comparison of the adsorption-oxidative capacities of three commercially available carbons, F400, HD4000, and BioNuchar, coated via mechanofusion with loadings of 1%, 3%, and 5% by volume of TiO2, as well as early data on the regenerative capacity of HD4000 and F400 loaded with 1% TiO2 via boil-deposition.
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Authors
Citation
Khan, A., Mazyck, D., and Wu, C., "TiO2 Coated Activated Carbon: A Regenerative Technology for Water Recovery," SAE Technical Paper 2002-01-2357, 2002, https://doi.org/10.4271/2002-01-2357.Also In
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