NDLI: Study on Adsorption of HA on TiO2 Film from Aqueous Solution

Content Provider	IEEE Xplore Digital Library
Author	Yan Li Lijuan Yang Hua Lin Huiling Liu Zhaohua Jiang
Copyright Year	2010
Abstract	Humic acid (HA) was considered to be the main precursor of disinfection by-products (DBPs) in chlorination. In this study, an effective and economic method of preparing TiO2 film was successfully developed for adsorption of HA. The crystal structure and surface morphology of theTiO2 film were characterized by X-ray diffraction (XRD) and atomic force microscopy (AFM). The effects of some factors such as the temperature, pH value of the solution, and initial concentration of HA on the extent of HA adsorption from aqueous solution were systematically investigated. The analytical results showed that the adsorption of HA was enhanced on the film at low temperature under acidic condition. The adsorption efficiency increased with increasing initial concentration, bias voltage and the area of the TiO2 film. The adsorptive thermoisopleth curve of HA on TiO2 film can be fitted by Freundlich thermoisopleth adsorption equation. The adsorption reaction complied with Lagergren second-order adsorptive kinetics model
Starting Page	1
Ending Page	4
File Size	325239
Page Count	4
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5517041
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Atomic force microscopy Chemistry Temperature Instruments Voltage Oxidation Kinetic theory Environmental economics Chemical technology Equations
Content Type	Text
Resource Type	Article

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