期刊
出版社
AMER INST PHYSICS
DOI: 10.1063/1.5005187
关键词
Titanium dioxide; Iron ions; Nitrogen; Activated carbon; Dyeing wastewater
资金
- National Natural Science Foundation of China [21476110]
- Science and Technology Program of Nantong, China [MS12016045, CP12014004]
- Qing Lan Project of Jiangsu Province
- Foundation of Nantong Vocational University [16ZKO1]
Fe-doped TiO2 coated on N-doped activated carbon (Fe-TiO2/N-AC, FTNA) composites were synthesized simply by a straightforward two-step procedure. The obtained materials were characterized by X-ray diffractometry (XRD), N-2 adsorption-desorption, scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS) and FT-IR spectroscopies. Through the degradation of dyeing wastewater, the photocatalytic activity of FTNA was investigated under ultraviolet light irradiation. The results showed that containing N functional groups were successfully introduced onto the surface of the activated carbon. Compared with Fe-TiO2/AC (FTA), FTNA with average particle size of TiO2 13.6 nm and surface area 1007.89 m(2)/g showed a higher photoactivity. Additionally, for the photocatalytic degradation of dyeing wastewater, the optimum N content and catalyst content were 0.8% and 5g/L, respectively. Moreover, the photoactivity and photo stability of the catalyst after many runs was also evaluated.
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